400ex Dyno Tuning and New Exhaust

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In this video we finally upgrade our 400ex's stock exhaust with our new Rossier R4 full exhaust system. We also did a full dyno session comparing each stage of the process. I'm super stoked with how well the numbers and performance came out. Jay did an awesome job tuning as always! Shout out to Rossier for making a great looking and sounding exhausts!
Illinois Powersports illinoispowersports.com/
New Rossier R4 Full Exhaust petehager.com/products/copy-o...
Dynajet Jet Kit www.rockymountainatvmc.com/pa...
2004 Honda 400ex
Houser Racing Steering Stem petehager.com/products/houser...
Urmosi 720 SBC Clamps petehager.com/products/copy-o...
Urmosi Factory Edition Throttle petehager.com/products/urmosi...
Pro Taper Contour Fat Bars www.rockymountainatvmc.com/pa...
Motion Pro +2 Throttle Cable
Motion Pro 1987 Honda 250x Clutch Cable
Factory 43 front bumper
DRW Chain Slide petehager.com/products/drw-ch...
DRW Swing Arm Plate petehager.com/products/drw-sw...
DRW Full Belly Skid petehager.com/products/drw-fu...
DRW Rotor Guard petehager.com/products/drw-ro...
DRW Sprocket Guard petehager.com/products/drw-re...
DRW Case Saver petehager.com/products/drw-ca...
Pro Taper Universal Clutch Lever www.rockymountainatvmc.com/pa...
K&N Air Filter www.rockymountainatvmc.com/pa...
Outerwears Pre Filter Cover www.rockymountainatvmc.com/pa...
ODI Lock On Grips www.rockymountainatvmc.com/pa...
Tusk Shift Lever www.rockymountainatvmc.com/pa...
Primary Drive X-Ring Chain www.rockymountainatvmc.com/pa...
Primary Drive Front Sprocket www.rockymountainatvmc.com/pa...
Primary Drive Rear Sprocket www.rockymountainatvmc.com/pa...
Primary Drive Chain Roller www.rockymountainatvmc.com/pa...
Alba Nerf Bars
Alba Gas Cap
Chapters
0:00-0:56 Intro
0:57-1:40 Exhaust Unboxing
1:41-2:16 Stock Exhaust Notes
2:17-2:37 Illinois Powersports
2:38-4:19 Base Power Numbers
4:20-5:39 No Airbox Lid Numbers
5:40-7:33 Installing New Exhaust
7:34-8:59 Rossier R4 First Numbers
9:00-15:11 Fine Tuning Carburetor
15:12-18:10 Final New Numbers
18:11-21:30 First Ride Impressions
21:31-22:41 Outro
Music sourced through epidemic sound
Closing song "Murky" by Cushy
Camera Gear-
GoPro Hero 7 amzn.to/2MHvxVl
**Must purchase GoPro adapter to run microphone amzn.to/2SjdM3O
Motovlog Mic Purple Panda DISCOUNT LINK www.purplepandastore.com/prod...
3rd Person Filmed with Sony A6000 amzn.to/2XoVfWD
3rd Person Mic-Sony Zoom Microphone amzn.to/2Xtv6Wp
3rd Person Wind Muff- amzn.to/2x5Lluf
Iphone 13 Pro for Cinematics
Follow Me On:
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Facebook- / pete-hager-media-21519...
Links in the description are typically affiliate links. If you click on one and purchase, we’ll receive a small commission. This helps support our channel and allows us to continue making videos like this one! As always thank you very much for your support!
#savesportquads

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9 июл 2024

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Комментарии : 169

@ALDA2479 2 года назад

It's insane how much fun the old 400ex still are with all these new 450s being able to have 2x the power I still have my 1999 bug eye and even tho my 2021 yfz450r is in the 60s hp range now days I still have as much fun riding the 400 as I do the 450 tbh I sometimes enjoy the 400 more and Jay and Illinois power sports are great I live in Dekalb Illinois and Jay has dialed in all my machines and I've been very pleased with the work

@Yfzkid-tl6ty 2 года назад

Another w post

@tylermatheson2118 2 года назад

Great video as always absoultly love that ur doing 400ex videos keep them coming,I need to get mine on a dyno soon, keep it up cant wait for top quad videos 🤙#savesportquads

@nathanaelruizm.7237 2 года назад

Clean build always makes the cleanest builds

@floridatrailrider305 2 года назад

Pipe sounds great, the 400ex is coming out really nice 🤟

@ashtonbell4937 2 года назад

Awesome exhaust system sounds great!

@andrewspoto9378 2 года назад

Wow! What a difference in sound, and I am sure the power is insane. Like always nice work…..

@bradmcdaniel7258 2 года назад

That's awesome brother I like the new sound, the sports shop is great 👍😎

@jacksonridesmachines15865 2 года назад

Awesome love the videos

@smr4712 2 года назад

Ah man, i couldnt wait...finaly the Rossier on the TRX400, now its a dream trail machine.. looks really good ;-) thanks for the treat!

@jamiesmo91 2 года назад

That 400ex is a nice machine, sounds great with that pipe. Can't wait for the next video of you ripping the thing with the new set up 🤘🤘

@user-cn7fp1gt3k Год назад

❤❤

@t-money8769 2 года назад

I love it, love it, love it. Florida Boyz can't wait til you come back so we can see this bike in person.

@timpence825 2 года назад

Great video Pete. Jay is the man for tunes. Well worth the drive for sure. 9 to 10 hrs for me but was worth it. Those Rossier r4 sound so sweet.

@mrdamncentralfloridadonkry8842 2 года назад

Where is jay shop at so I can get mines tune as well

@jamisonsenitz2528 2 года назад

Pete your Killin the 400ex content dude!!! Have a 04 400ex 1mil over fmf pipe and k&n filter, so need to get it dyno tuned now. Great vid dude!!!!!

@PeteHager 2 года назад

Glad you liked it! I’ve never seen a carbureted machine dyno tuned so it was a fun new experience for me 😁🤓

@mmelling4410 2 года назад

Very impressed

@EasyMoneyCrew 2 года назад

that pipe sounds so good

@jctejeda 2 года назад

that 400 sounds good 👍🏼👍🏼👍🏼👍🏼

@bionicdrxamsyt4811 2 года назад

i was the first like on the vid pete keep up the good work i watch all the vids man love the yfz450

@unitymixer Год назад

This is the best you can reach whit 400ex and keep 100% of the motor safety in the long run.

@nathanlarocque9229 2 года назад

Got the same pipe for my Dvx 400. Sound so good!!

@ez-g3090 3 месяца назад

Does it give it more power?

@jehovanysmilian343 2 года назад

I love my 400ex

@BrewerOffroad 2 года назад

Love the sound of the R4 on the 400ex. Might just have to get me one for the 07 build!

@PeteHager 2 года назад

Order it now before they're gone!😅

@leedimatteo5078 2 года назад

sweet!

@440cubicinch 2 года назад

Thats a nice pick up from the stock exhaust & jetting. Just a FYI for all you guys with a TRX400ex that have the stock front shocks on them. We all know the stock front shocks suck. I recently had one start leaking so I took it off and measured how long it was and me being a sled head had a set of front shocks laying around for a 98/99 Zr500/Zr600 Arctic cat snowmobile. I had to make up some new inner bushings and trim the top eye on the shock .100" /.050" on each side. On the bottom I had to add a 1/2" flat washer to each side. Wow its a unbelievable difference. These shocks will eat up a 4 - 5" log and not toss you around. These are these a much better shock than the stock TRX front shocks. I need to paint or replace the front springs as they are green but you can get the same spring rate in black. These have a dual rate spring. A/C Part number for black is 0603-837. Rate is 80/125. The shock PN is 0703-536 which has been updated to 1603-027

@440cubicinch 2 года назад

Here's the fitment of what these shocks come off of.... 1998 ARCTIC CAT Powder Special 600efi - FRONT SUSPENSION SHOCK ABSORBER 1998 ARCTIC CAT Powder Special 600efi - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1998 ARCTIC CAT Powder Special 600efi LE - FRONT SUSPENSION SHOCK ABSORBER 1998 ARCTIC CAT Powder Special 600efi LE - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1998 ARCTIC CAT ZR500 Second Release - FRONT SUSPENSION SHOCK ABSORBER 1998 ARCTIC CAT ZR500 Second Release - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1998 ARCTIC CAT ZR600 Second Release - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1998 ARCTIC CAT ZR600efi - FRONT SUSPENSION SHOCK ABSORBER 1998 ARCTIC CAT ZR600efi - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1998 ARCTIC CAT ZR600efi LE - FRONT SUSPENSION SHOCK ABSORBER 1998 ARCTIC CAT ZR600efi LE - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT Powder Special 600efi LE - FRONT SUSPENSION SHOCK ABSORBER 1999 ARCTIC CAT Powder Special 600efi LE - SHOCK ABSORBER AND SWAY BAR ASSEMBLIES 1999 ARCTIC CAT Powder Special 700 & LE - FRONT SUSPENSION SHOCK ABSORBER 1999 ARCTIC CAT Powder Special 700 & LE - SHOCK AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT Thundercat & Mountain Cat - FRONT SUSPENSION SHOCK ABSORBER 1999 ARCTIC CAT Thundercat & Mountain Cat - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZR500 - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZR500efi - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZR600 - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZR600efi - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZR700 - FRONT SUSPENSION SHOCK ABSORBER 1999 ARCTIC CAT ZR700 - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZRT600 - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZRT800 Black - SHOCK ABSORBER AND SWAY BAR ASSEMBLY 1999 ARCTIC CAT ZRT800 Green - FRONT SUSPENSION SHOCK ABSORBER 1999 ARCTIC CAT ZRT800 Green - SHOCK ABSORBER AND SWAY BAR ASSEMBLY

@OldDirtBikes 4 месяца назад

Hi great vid really enjoyed it. I have a 97 xr400r think the engine is identical my question is would that exhaust and jetting fit my 2 wheeler ?

@chriscook6360 2 года назад

I got mine in a few weeks ago for my 400 and I wasn’t disappointed one but I hated waiting for it so worth the wait David’s exhaust is top of the line👍

@PeteHager 2 года назад

Awesome to hear! It was definitely a long wait for us as well but totally worth it 😁🤘

@chriscook6360 2 года назад

@@PeteHager I’m glad too see it all tuned up for your 400 big fan watching you ride curious tho do you miss your hmf? I didn’t after I got David’s rossier

@PeteHager 2 года назад

@@chriscook6360 I rode this quad for the new Top Quad series coming out on Sabo’s channel soon so they’ll be a lot of riding content with it 😁 I don’t mind the HMF exhausts, they have one for the best selling systems for the 400ex too. I’ve just gravitated towards Rossier since seeing their pipes several years ago. They look and sound great, plus not many people have them and it’s fun to stand out from the crowd 😅🤘

@chriscook6360 2 года назад

@@PeteHager oh definitely standing out from the crowd I’m happy With mine for sure it has a completely different sound than the 450s so I was quite surprised with it on the 400 it sounded different than the yfz so I’ve heard it on I love the color scheme you went with yours with the small logo red and black cap David told me mine would look better with the all black and the big black logo

@chriscook6360 2 года назад

@@PeteHager last thing Pete what jets did you put in I got my jet kit today she’s running a little lean and I didn’t wanna do a trial and error constantly what jets did you end up puttin in yours?

@____MC____ 2 года назад

I had an 05 once. Easily one of the most enjoyable quads to ride.

@stevebanda8776 2 года назад

The 400exs are great reliable machines I wouldn’t do anything to the motor cept freshen up

@rickybobbyflyingwild8119 Год назад

Hey bro love the channel man can I ask you Wht jet do you guys decide to use I got a 158 in mine I do believe

@LiveFreeOrRIP 2 года назад

Dude I LOVE my 2007 400ex. Its absolutely my favorite trail atv yet. for sport bike that is. Ive ridden and owned a TON at this point. I can ride my 400 all day and im NOT tired. I ride my 450 i had and it was BEAT TO DEATH after 2 hours... Same for raptor. its just odd... The raptor is a great bike but it beats the shit out of me for some reason. Its like a workout to ride. 400 is Super easy to ride and it dont wear me out AT ALL...

@PeteHager 2 года назад

That’s a pretty good way to describe the 400. It’s super easy to stay in the sweet spot with it. Having more power isn’t always what it’s cracked up to be!

@michaelorozco8809 2 года назад

I have a banshee and my brother in law has a 400ex and the banshee does wear me out and the 400ex is just easier to ride except the stock suspension is really stiff and dune ridding the 400ex suspension will beat you

@smr4712 2 года назад

@@PeteHager i agree, the 400 is perfect!

@LiveFreeOrRIP 2 года назад

IF honda made a new 400 I would buy it in a flash. ESP. if it was EFI And all new bike.... OOO YEA..

@fearoshima666 Месяц назад

@Pete Hager the Honda can be compared a bit to a stock raptor when it is tuned

@ttatvoffroad2632 2 года назад

Gotta get a cam in that 400

@PeteHager 2 года назад

After we improve the suspension and width we’ll most likely do that 👌

@beltslipper9007 2 года назад

Yep st2 cam makes a big difference

@alec4453 2 года назад

I can 2nd that comment . Stage 2 hot cams with a 416 is one of the best routes you Can go on a 400ex. No need for a 440 and overheating issues . 416 kit , stage 2 hot cams , trx450r carb, and some head porting. Best combo you can get for a 400ex in my opinion. Had all those things mentioned on my last one minus the ported polished head. Would power wheelie 1st-3rd and clutch dump 4-5th no issue. Never been a 4 stroke guy but that 400ex changed my mind. They have a lot of potential.

@PeteHager 2 года назад

@@alec4453 awesome man! I’m loving the recommendations thank you! 🤘

@Itsjake908 2 года назад

It’s really interesting how the previous owner striped down the quad just to paint the frame but left everything else pretty much stock. Nice to see you doing these tasteful mods & btw I’m A big fan of OEM graphics although you’re probably going to yank them off haha

@PeteHager 2 года назад

I’m the 4th owner and the quad is definitely interesting. I feel like the motor must’ve needed work or why pull it to powder coat the frame? We realized the rear subframe is stock and it’s chromed/polished. We thought it was aftermarket for awhile. It’s just surprising all that was done but built back to OEM essentially.. I actually love the graphics too. It’s why I haven’t put any stickers on it so far 😅 if we do a graphics kit my goal is for low coverage and a very OEM vibe 👌

@Itsjake908 2 года назад

@@PeteHager could very likely be! And heck ya oem kicks ass haha. Great minds think alike hahaha

@andrewmasaberg1116 4 месяца назад

Damn I’m good 👍 I’m running a 155 with a 45 pilot. Just self testing. I’m gonna drop down to a 42 pilot jet though maybe lighten her up a bit

@700rRaptorLife 2 года назад

Oh no no it sounds a whole lot better when u see it video don’t give it no justices that’s one badass 400ex

@kylebeach2316 2 года назад

That's definitely true the rossier and dasa pipes are WAY louder in person then they are on camera

@PeteHager 2 года назад

I’m excited to see it in action in the Top Quad series 😁🤘

@700rRaptorLife 2 года назад

@@PeteHager me 2 man trust me it sounds good in action 🦾🦾🦾

@Mr.1-OAK 2 года назад

👌👌👌

@michaellarcom Год назад

So what is the over all jetting for final adjustments pilot jet main jet needle position

@wyattkohle 2 года назад

Sounds awesome! I 100% agree with the cam comment. A stage 2 cam would really make that thing go while still being reliable. Also have you ever thought about considering beadlocks? If so what brands do you like? I run goldspeed beadlocks and think they're sweet! Edit: I see you are trying to stick with an oem vibe. But even for the raptor or yfz?

@PeteHager 2 года назад

Thanks man! I meant OEM vibe for graphics if we do a custom kit. I picked up a set of GPS rear beadlocks for our Obor MX tires and they’re super nice. I would like to outfit more of our quads with them since they come with the dual Honda/Yamaha bolt pattern. I’m not sure what the next batch of modifications will be. Maybe refresh the rear carrier and put a new wider adjustable axle in. Then look into upgrading the front end. The front plastic has a few broken tabs on it so I may get a new set of front fenders as well. I rode it in the new top quad series coming out on Mike Sabo’s channel and it was a lot of fun! 😁

@Junior-fd8ux 2 года назад

Oo why are you doing this to me I’m trying not to buy another one of these but have been following your build and channel so hear I am. She’s running and pulling perfect.

@chase8545 2 года назад

I’ve heard those rossiers exhaust match the flow of a stage 2 hotcam. Personally I prefer Curtis sparks but those rossiers do seem to be nice.

@PeteHager 2 года назад

I definitely looked into the Curtis Sparks, they make really nice exhausts. I was told that it would be overkill for a stock motor and that they perform much better on the higher performance builds. Is that true? I saw the pipe diameter is quite a bit bigger going into the muffler on the Sparks

@petes_powersports7438 2 года назад

Awesome video Pete…. But we need yfz dirt content!

@PeteHager 2 года назад

I wanted to get all my 400ex content caught up since I rode it for the new Top Quad which should be out in a couple weeks. I have a new machine test ride video to put together and then we will be doing some trail adventures. We’ve been discussing a little Iowa tour 👀

@petes_powersports7438 2 года назад

@@PeteHager bring it on Pete!

@Drain09 2 года назад

What were your final jetting specs.

@salutesoulja4698 Год назад

Where’d you get that street rim & tire set

@shameless4430 2 года назад

What rossier exhaust will work with the raptor 660

@banana82728 2 года назад

i love my 400ex. i recommend a stage 2 hot cam and big bore kit. i have a 440 kit but the 426 would be more manageable. i did oil cooler upgrade with fans and my 440 never gets hot even here in AZ

@PeteHager 2 года назад

Yours sounds like a beast! Thank you for the recommendation 😁🤘

@Exempty Год назад

What oil cooler and fans do you have? I have a 440 bore stage 3 hot cam and stage 2 dyno jets but stock cooling

@banana82728 Год назад

@@Exempty a haden oil cooler from Amazon. Oil lines are just hooked up in series with the factory oil cooler.

@Exempty Год назад

@@banana82728 thank you I'll go check it out

@donnyshope4219 3 месяца назад

What main jet # and pilot jet # did you end up using ?

@elscrappy432 7 месяцев назад

What kind of dyno and software are they running ?

@minibikemadman 2 года назад

I need to get my 88 honda trx250r on the dyno.. things a 225psi race gas ripper.

@Kadenthedude24 2 года назад

Sounds great what year is it, and did it run good when u got it

@PeteHager 2 года назад

It’s a 2004. It ran decent when I first picked it up. Jay did a valve adjustment and carb clean on it last summer and it’s been great ever since 👍😊

@theexisting1514 2 года назад

nice! you think you'll ever put a 426 in it after you do the arms/axle?

@PeteHager 2 года назад

Hmm maybe down the road, I tend to only do that type of work when the motor is due for a refresh and these dang Hondas are so reliable lol 😅

@evanperry7010 2 года назад

Hi pete

@smr4712 Год назад

Please do a TRX 400 video. we waiting in anticipation! thanks Pete!

@PeteHager Год назад

Hey man! I rode this quad for the entire top quad series so they’ll be lots of content with it soon coming out on Sabo’s channel 😊

@smr4712 Год назад

@@PeteHager Awesome to hear , i cant wait, thanks Pete ;-)

@ez-g3090 3 месяца назад

Where are those exhaust fumes going?

@nickvannoord1800 2 года назад

I think a big bore and hotcams would make this a really cool quad. I mean, it already is, but it would be a pretty rad addition.

@PeteHager 2 года назад

After we improve our suspension and width a bit I think more performance would be great. Most likely do a cam next 🤘

@nickvannoord1800 2 года назад

@@PeteHager 🤙🏿Heck yeah

@kylebeach2316 2 года назад

A 440 big bore and stage 2 or 3 hotcams will definitely put even more pep in her steps

@nickvannoord1800 2 года назад

@@kylebeach2316 The magic combo. It really does open an atv up quite a bit.

@user-yn1kx2mn9i 5 месяцев назад

If anyone had any idea how hot a 400ex ran in stock form they wouldn’t even think about going 440. I know there is ways to help this in the aftermarket world but none of them will stop it from reaching extreme temperatures. The thing that I have found that works best is and this is for a 05-07 is removing the headlight and go with smaller lights mounted up around the handle bars and a ram air hood scoop so air can get to the motor.They will live longer and crisper at the throttle if this is done

@nickmartinez3444 Год назад

Dang you guys are only a hour from me

@jacobjacobo8911 Год назад

What’s the link for the exhaust 🙂

@brutelife9177 2 года назад

How does the power thru the gears compare to your yfz450 stock and how it compares to your yfz450 now?

@PeteHager 2 года назад

The YFZ still rips quite a bit harder since it has 15 more horse and revs another 2k higher. The 400 is super fun at this power point for the stock suspension. Just enough to open it up throughout the rev range 😁

@gregory5874 Год назад

Big bore it with arp studs and a cam turn that ex wicked

@handsolo6241 2 года назад

Would've been cool to see what it would do without the airbox lid. Maybe after a cam. Rossier pipes are sweet but to loud for wisconsin trail system. Love my 400ex with the stage 2 hc, no lid and full exhaust. More fun than my 450er on tight trails.

@PeteHager 2 года назад

All the testing except for the first stock passes was done without an airbox lid 😊👍 stage 2 hotcam will most likely be next 🤙

@handsolo6241 2 года назад

@@PeteHager So you ended up on a 155 dynojet, equating to a 170 Keihin? remember they use different # for the same size. You will really notice the hotcam. New timing chain is a must, stock 400 chains stretch allot. I am switching to a 450r timing chain, they are exactly the same length, when I lay them side by side. but the 450 is much beefier. Now I have only read that works, I haven't tried it yet, but am noticing allot of chain noise as of late.

@m_prime2368 Год назад

What was final jetting specs

@PeteHager Год назад

Honestly he was changing jets so fast I can't remember what he ended up on 😅

@MrJet1982 Год назад

What front tires are those ?

@PeteHager Год назад

They’re stock YFZR take offs 👍

@MrJet1982 Год назад

@@PeteHager They look really good . I've been looking at a set of kend Kutters. They kind of look similar. I have my R5 on the way now should be here next week. I just ordered direct from them

@pilotsutterfield7053 2 года назад

I would like to try out a 400ex someday. As far as the power was on it when it was stock was it pretty powerful or kinda lazy? I’ve never driven one before

@kylebeach2316 2 года назад

That depends on the type of machine you are currently riding with because a bigger machine will make the 400ex seem lazy in stock form because your use too more power. But if you ride a smaller machine then the 400ex will be more powerful.

@PeteHager 2 года назад

The 400ex has pretty moderate power output stock. It’s a very balanced machine and it doesn’t necessarily need more power to have a good time. The main moments I wanted more power was in the corners and berms power sliding. Just doing these mods opened it up quite a bit but a 450 is still quite a bit more potent 👌👍

@pilotsutterfield7053 2 года назад

@@PeteHager ok thanks!

@pilotsutterfield7053 2 года назад

@@kylebeach2316 thanks!

@THATLTRFOUR50 Год назад

What handle bar bend is that you have please ? If you have link please thanks

@PeteHager Год назад

I have links in the description. Pretty sure they’re pro taper contours in an ATV low bend 👍

@THATLTRFOUR50 Год назад

@@PeteHager thanks boss just picked one up yesterday pretty sweet 😎

@THATLTRFOUR50 Год назад

Can you knowledge me on low,mid high that’s options it’s giving me to choose I do like them a bit higher up does it mean just that when they say high?

@PeteHager Год назад

They have the Raptor bend which would be OEM bar height. I would assume the "high" bend would be a tad lower then the Raptor bend. I would assume "mid" bend is probably half the hight of the Raptor bend. Hopefully this gives you an idea what to expect. If you buy fat bars you're gonna need a 1 1/8 fat bar clamp that mounts to your oem stem. I used these pro taper universal clamps for a long time! www.motosport.com/product?cc=us&gclid=Cj0KCQjwy5maBhDdARIsAMxrkw33LEMIRGlFF3m0csdyOY4JowEu10oA3tilU0wYfPbSI3LTNS_qLHoaAuzxEALw_wcB&gclsrc=aw.ds&key=Pro-Taper-Universal-Solid-Bar-Mount-Kit&mmy=yamaha;raptor700;2019&mmy_source=pdp&pssource=true&segment=badger&variant[PTP1WU5]=PTP1WU5-X001-Y001

@drenbg98 2 года назад

got the same pipe can’t get the jetting right what do you run ?

@PeteHager 2 года назад

Unfortunately I’m not exactly sure what was all done to the carburetor. I know they utilized the dynajet jet kit that I bought and went off dynajets recommended settings. He ended up using a 155 main but I’m sure some other adjustments were made. You could always call Illinois Powersports and see if they can give you some advice over the phone since he’s tuned tons of 400ex’s 👍

@davidsantos8743 18 дней назад

@@PeteHager he only changed the main jet and the needle that comes with the kit? or he messed with the pilot jet? with the instructions i would gess the DJ170 was the right one to put. STAGE TWO INSTRUCTIONS (DYNOJET KIT) 1. Remove the airbox lid. 2. Remove top carb plate. Remove the slide lift arm screw and the two needle plate screws. Flip the linkage forward and remove the slide (Fig. A). 3. Install Dynojet needle on groove #3 for applications below 5000 feet, groove #2 for above 5000 feet, using all stock spacers. Install the Dynojet washer above the E-clip. 4. Remove stock main jet. Replace with the Dynojet Main Jet Adapter (DJA001). Screw the Dynojet main jet provided into the Main Jet Adapter. If you are running the stock exhaust use the DJ165 below 3000 feet, DJ160 from 3000 to 6000 feet and DJ155 above 6000 feet. If you are running an aftermarket exhaust, use the DJ170 below 3000 feet, DJ165 from 3000 to 6000 feet and DJ160 above 6000 feet. Be sure that the jet you are changing is the main jet. 5. Locate the Fuel Mixture Screw (Fig.B). For 2005 to 2008 models use the tool provided (DT008) to adjust the mixture screw. For 1999-2004 models, use a flat blade screwdriver. Turn the mixture screw clockwise until it seats, then turn out 3.5 turns below 5000 feet or 3 above 5000 feet.

@dennissciannajr2615 2 года назад

Luv the bug eye 400’s. Like the dyno sessions , small piece of advice, lose the K&N they are the worst and will dirt into your engine, get a Uni 👍🏻

@PeteHager 2 года назад

Thanks man! I appreciate the advice but I’ve had media filters on all my quads with outerwear’s for several years without any issues. If you keep them clean and oil them properly they work just fine 👍

@Jackson-256 2 года назад

Would someone who is 6’2 fit on a yfz450r?

@6rvg615 Год назад

yes

@codyankney8378 2 года назад

Hmmm I wonder how the full HMF compares. Maybe it’s time to take a Tuning trip…..

@PeteHager 2 года назад

Do you still have stock internals? It would be super interesting to see pipe comparisons!

@codyankney8378 2 года назад

@@PeteHager My cylinder is probably bored a bit bigger, but other than that, everything it stock stuff.

@codyoffroad9176 2 года назад

I'm 15 years old almost 16 and I'm wanting to get a 2021 or 2022 raptor 700r special edition or the regular 700r but i didn't know if i should pay monthly or pay cash so if anyone has an ideas it would be awesome. Pete that 400ex sounds also keep up the good work.

@dennis-br6vr Год назад

A 700r at your age is just stupid.

@codyoffroad9176 Год назад

@@dennis-br6vr in my opinion as long as you know how to ride then you can ride any quad even if they have a lot of power

@dustyschirato 12 часов назад

Do you know what gear they are doing the pull in?

@PeteHager 13 минут назад

@@dustyschirato hmm I can’t recall. At least 4th gear. Maybe 5th but 5th is pretty tall

@SuperMrCARBON Год назад

11:1 piston and stage 3 cam you will beat most 450’s. Definitely upgrade the shocks to LTZ 400 direct bolt on and YFZ front brakes direct bolt on then gtg.

@andrewmasaberg1116 4 месяца назад

I might go with a stage 1 hot cam. I want the torque out of the corners

@Maoshung 2 года назад

Put a stage 2 hotcam in it and re dyno it. Significate difference!

@PeteHager 2 года назад

That will be the next engine performance upgrade for sure 🤙

@evanperry7010 2 года назад

1st comment

@Toast_Wants_Banana 2 года назад

19 hours ago

@angelmarrero8828 5 месяцев назад

Is it expensive to send these machines to a Dyno?

@PeteHager 5 месяцев назад

Depending on the shop it’s normally about $300-500 a session 👍

@angelmarrero8828 5 месяцев назад

@@PeteHager Thanks for the reply! ✌

@ez-g3090 3 месяца назад

The graph looks like a skull from a Harley

@shawncordeiro5078 2 года назад

i didnt want it to be a big powerhouse of a machine lol it never will be quit dreaming AND you shoulda dyno with stock tip out lol then compare the differance

@teamwoodswarriorsracing2004 2 года назад

Well, I guess it doesn't give a 10hp gain like they claimed

@PeteHager 2 года назад

lol where did you see a 10 horsepower gain claim?? 😅

@teamwoodswarriorsracing2004 2 года назад

@@PeteHager back when they were using dyno graphs from ct racing on their site.

@PeteHager 2 года назад

@@teamwoodswarriorsracing2004 hmm I never heard anything about that but that’s a pretty ridiculous claim 😂

@teamwoodswarriorsracing2004 2 года назад

@@PeteHager ya it used to be on their website for the 400ex and ltz the more I looked at it I realized it was from ct racing web site.

@rossierengineering5714 2 года назад

I think we have seen you around doing this types of claims before . You do need to get your facts straight as we have not claimed such thing on the trx400 but we do have a top performance guarantee policy which no other company offers

@jb1.. 2 года назад

Drop a tooth on front sprocket

@brycerbroseph Год назад

Yeah I’m not going anywhere today I don’t want him to go anywhere but I just don’t feel good 😊

@brycerbroseph Год назад

@shawncordeiro5078 2 года назад

rite away trying to hide the stock pipe numbers by not removing stock exhaust tip then dynoing Or your trying to boost aftermarkit pipe 1 HP

@PeteHager 2 года назад

Hide stock pipe numbers? We did baseline runs with a full stock exhaust and airbox lid on. Nothing but transparent. I’m also curious about your verbiage “boosting” an aftermarket pipe. That’s a new one for me 🤔😅

@shawncordeiro5078 2 года назад

@@PeteHager why not take stock tip out and dyno ? Because you know theres no power to be found

@PeteHager 2 года назад

@@shawncordeiro5078 because the amount of work and testing we did already took 3+ hours and we were in the middle of a 12 hour drive when we stopped at his shop. If we had all the time in the world we could’ve done that but I had no intention of running without the baffle so it wasn’t a priority for us. I’m not making claims that the Rossier puts out the most power, I run their pipes because they have great customer service, sound good, and look good. This video is more for fun showing the new set up. There’s obviously better overall performance set ups than what we did 😊👌

@shawncordeiro5078 2 года назад

@@PeteHager excuses 3 bolts to remove tip AND why didnt you overlay the dyno results to show the loss in mid range compared to the stock system just youtube "testing the xr's only 650 pipe"

@PeteHager 2 года назад

@@shawncordeiro5078 Apparently your very interested in running stock exhausts without the baffle. Obviously it’s going to make more power than with the baffle in. I personally think stock exhausts sound horrible without the baffle and I would never run one that way. Your more then welcome to go to a dyno tuner and do testing without a baffle and share your results with the internet for all the other riders interested in those numbers 👍