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265 Hours Valve check (adjustment) Timing Chain Tensioner - 2017 Yamaha Yz250FX Wr250F Yz250f

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Опубликовано:

22 апр 2021

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Комментарии : 88

@masonlutzenberger3211 10 месяцев назад

thank you. i didn’t know how my timing chain tensioner worked on my 01 250f. they use the SAME design 16 years later. it must be good

@HARDCASTLE65 3 года назад

A lot of information in a short video… Thanks very much!

@vegasromaniac 3 года назад

Glad you liked it. I was thinking to split the tensioner part in another video..

@jasonwilly2025 3 года назад

Vegas! You have the best maintenance videos out there...AND...since it is your fault that I bought a 2018 YZ 250FX I somehow feel you are obligated to help me maintain it. :) :) :) PS...Best purchase ever!

@vegasromaniac 3 года назад

Dude, any question you have, just ask I'm bored 90 percent of the time.. You do me a favor basically

@jasonwilly2025 3 года назад

@@vegasromaniac will do. Thanks again.

@AdamJawhary Год назад

@@vegasromaniac i have a question, how often should i tension or replace my timing chain?

@Captain250FX 3 года назад

Thank you for being you! 👍🏾

@vegasromaniac 3 года назад

It's hard to be somebody else... Haha

@CareyKnowles-keath 2 месяца назад

I might be ocd but I always try to keep my clearances in the middle of the spec your intake are 0.13 right on the edge of spec It won’t be long before there out of spec 10-15hours if I was you and I was already in there I’d just put 0.02 smaller shims in and be done with it you’d know you’ll be fine for another 40+hours Also btw the H mark on the fly wheel would be ignition timing mark it’s roughly 10 degrees before tdc that would be my best educated guess

@billcotton1551 3 года назад

Vegas ,I'm liking that air filter you bought. It looks like a dinosaur's back.

@vegasromaniac 3 года назад

It's a bit crazy... But I do feel the bike runs a bit chocked

@anthonyholder149 3 года назад

I made the same bolt tool... Works like a bomb 👍🏻👍🏻

@vegasromaniac 3 года назад

Awesome right?

@anthonyholder149 3 года назад

@@vegasromaniac bolt welded nut.... Special tool made, 😜

@vegasromaniac 3 года назад

@@anthonyholder149 a set of Allen's that big will set you back 20 bucks... And you have to wait 3 days to get it...

@ronbuellwinkler4586 9 месяцев назад

Hey Vegas, I noticed the 2 punch marks on both intake and exhaust cams. Did you happen to COUNT the number of pins on the cam chain between marks on intake cam to between marks on the exhaust cam? We used to count number of pins on the chain on the old carb'd 250Fs to help make sure we had the cams correctly timed, in addition to the punch marks lined up with the edge of the top of the head.

@MrClarkM 3 года назад

Great video ! Thanks

@vegasromaniac 3 года назад

Glad you enjoyed it

@MrClarkM 3 года назад

@@vegasromaniac I sure did . I guess this process would be the exact same for my 2019 WR250f ?

@vegasromaniac 3 года назад

@@MrClarkM yes they didn't change much since 15

@algee8228 3 года назад

That is one heck of a lot easier to work on than a KTM. 140 hrs so far on my 250 EXC-F and still in spec, but i ride like an old man.

@vegasromaniac 3 года назад

thats great, the exc ktm motor will last forever , has a detunned top, those valves will stay like that forever !

@facundopereyra8455 10 месяцев назад

How often do you replace exhaust and admision valves for brand new ones? I do have a suzuki rm250 2 stroke, but i want a 4t too

@gloman4l151 3 года назад

Hi I have a 2015 250fx and it seems to make a weird noise when I put it in neutral from a gear. Could it have to do with the hydraulic clutch on it?

@bradl45 3 года назад

Excellence knowledge your sharing!!!!!!!!!!!!!!!!!!!! 265 hours, still factory valves, 2 thumbs up Yamaha!(but we expect that, lol) I'm sure you have a video, But I don't remember if you have done a top end on this bike, Have you? Have you tracked compression? You ride harder than I, so your results you share are so nice. I usually have a KTM, but sell after I ride them for a season, maybe 2, then sell before needing a top end or valve work , lol I'd keep a 250fx longer, but they are super hard to find used in Utah(some thanks to you!!!!!!!!!!!)

@vegasromaniac 3 года назад

No top end z original piston..... Still

@bradl45 3 года назад

@@vegasromaniac Nice, Kudo's to both Yamaha and your clean Airfilters!!!!!!!!!!!!

@janjakus3596 3 года назад

2:47 not sure but I think the first symbol what you sad that you dont know is the moment when spark plug fires in

@vegasromaniac 3 года назад

Hmm that's good to know...

@DirtBikingwithDonnie 3 года назад

This makes me want to check mine at 12 hours for a baseline.

@vegasromaniac 3 года назад

Well worth, really easy, most likely will be a check and it's nice to keep a record so you know what direction the go...

@doubledown9333 3 года назад

Tough little engine, so far:)

@vegasromaniac 3 года назад

Sure is

@Captain250FX 3 года назад

🤙🏽

@Bubbleuprubberdown 3 года назад

What does the cylinder look like? Have you checked the ring gap? Any change in compression test? Definitely curious to see how long this bike will keep going.

@vegasromaniac 3 года назад

4 strokes you can't do compression test, they have a auto decompression, also ring gap its more for a 2t... This 4t has like way too many.. I never bothered to take the head off, I do risk to ride with a cracked piston that can blow, but it's very rare on 4t

@blu3flare25 2 года назад

@@vegasromaniac You can do a compression test on auto decompression cams. The manual for my 2011 kx250f states 60-100PSI for normal range. Auto decompression cams only exhaust partial of the compression stroke, thus there is still a consistent measurable compression level.

@michaelspinelli5261 3 года назад

Just curious I am at about 60 hours right now on my 17 250fx. Is there anything I should be concerned about with the engine or suspension. Besides basic maintenance, I haven't done anything to it and I ride on extremely rocky and rough terrain. As of lately sometimes it takes a little longer than usual to start when the bike is warm. And the bike backfires a good bit on deceleration.

@vegasromaniac 3 года назад

When it starts hard and back fires, I would check the valves asap... Usually that means they might need adjusting

@jokerr1391 2 года назад

Awesome video , I hope u can help please , I have 2015 YZ250F and just wondering how many hours do I need to check the valve clearance ? And hours to do a top end rebuild ? I’m new to this and my bike didn’t come with a manual and can’t find nothing online 🙈 also I’m not a hard fast rider and don’t go racing , only trials and a few practice mx tracks , my bike only done 35 hours so far , hope u can help thanks 😊

@vegasromaniac 2 года назад

If you go by manual you gonna hate your bike... I plan to do 500 hours on the new top, and a vamve check every 30 to 40 hours that's becayee I'm bored. My friends didn't check valves on a new bike in 200 hours. I have 350 now.. I don't ride that much, but still in spec.. Starts first push of the button

@jokerr1391 2 года назад

@@vegasromaniac ah awesome thanks for the reply really appreciate it 😃👌🏼 so Iv got nothing to worry about for a while then 😂👌🏼

@TepcoCycleRepair 3 года назад

Well that explains how its lasting forever 3:33 you have the 2917 year model! its way ahead of its time!

@vegasromaniac 3 года назад

It sure is.. Haha

@vegasromaniac 3 года назад

Do you know what that symbol on the crank is, the long one? Just curious...

@TepcoCycleRepair 3 года назад

@@vegasromaniac Timing mark.

@TepcoCycleRepair 3 года назад

Spark timing not cam timing.

@vegasromaniac 3 года назад

@@TepcoCycleRepair that makes sense...

@maucina12 3 года назад

Man you need to get a sherco or ktm tpi. Not enough problems on yamaha for your videos

@vegasromaniac 3 года назад

Tell me about it

@sparkyboots 2 года назад

I have a 2017 yz250f, after how many hours should I check my valve clearance?

@vegasromaniac 2 года назад

every 20 recommended, you can go 40 , but you risk not catching the adjustment

@MrHaru92 3 года назад

Great video, thank you! I own 2019 FX and it was very useful! When you are going to change front fork and rear shock oil? Rear shock is leaking on my FX, have you ever had this problem?

@vegasromaniac 3 года назад

I usually only change the oil when it leaks. And mine doesn't as of right now... And usually the rear is the tougher one, I'm surprised it leaks, something might have got in there

@MrHaru92 3 года назад

@@vegasromaniac thanks, I'll try to check it.

@EricBanner571 3 года назад

@@vegasromaniac Shock, fork oil and viscosity degrades with age meaning the oil will be thicker cold and thinner hot and gets worse as you ride. It should be changed every year or two depending on how many hours. I change my own fork oil but send my shock away for a service ($100) as I don't have the right tools and nitrogen. You will be surprised what a difference an oil change makes to the handling of the bike.

@hectoravila8278 2 года назад

my 2015 yamaha yz250 is hard to crank start what do you think is the problem lol i was told it was a electrical problem

@edgarbaez1366 Год назад

Have you found out the problem, I have a 2014 and same thing

@brendansimmons6186 Год назад

Is the cam chain stretched at all with them high hours ??

@vegasromaniac Год назад

No I've checked the chain and the tensioner still had room to open

@Mauipat 3 года назад

The mark you couldn't identify would be your timing mark. thats the point the spark fires, x number of degrees before the top dead center.

@vegasromaniac 3 года назад

Great Info, thanks

@jasonbrittingham655 2 года назад

I have a 2021 yz 250fx when should I rebuild my top end?

@vegasromaniac 2 года назад

My 2017 with 350 hours was fine ..

@dv8214 10 месяцев назад

I have over 140hrs on my 2020, still runs great, what are you at now? have any issues since?

@michaelcasiefestervan7375 2 года назад

Hey man I need help with my yz450fx can u please come help me with it

@Ktalynoo Год назад

Român ?

@nvmcrider8475 3 года назад

Looks like I won’t be checking my valves until the 200 hour mark. I believe the H Mark on the flywheel are the indicators for the ignition timing.

@vegasromaniac 3 года назад

Yeah that's what people say it's spark....

@chacho9098 3 года назад

I put a 125cc on a crf70

@hexhead5732 3 года назад

Yamaha's are bulletproof ask anyone that owns one

@vegasromaniac 3 года назад

True that

@SomeTechGuy666 3 года назад

When are you going to replace the piston ?

@vegasromaniac 3 года назад

Hopefully 1 ride before it comes out by himself... Haha, I was aiming for 500 hours

@SomeTechGuy666 3 года назад

@@vegasromaniac Wow, that is high time for replacing the piston. I just sold my 2016 YZ250FX. It had about 130 hours on it. Ran like a top. Great bike.

@vegasromaniac 3 года назад

@@SomeTechGuy666 I might go for 1000 hours if I get really mad. Haha

@SomeTechGuy666 3 года назад

@@vegasromaniac The piston will wear faster than the cylinder. If the piston gets too loose, it will accelerate the wear of the cylinder. If you go too long on the piston you might need to replace the cylinder prematurely. These Yamahas are excellent bikes.

@vegasromaniac 3 года назад

@@SomeTechGuy666 at 1000 hours I'll get the entire 290 kit... Man... Done and done...

@listomoto Год назад

265 hours did you change your piston and rings already?

@Minionmoto529 3 года назад

4 strokes are good for long distance riding but honestly, it's to much crap that can eventually brake and it's very costly.

@vegasromaniac 3 года назад

The way I look at it my old KTM at 260 hours would have been on the 3rd piston and maybe new cylinder, maybe 4th pipe, and 4th gallon of 2 stroke oil....

@Minionmoto529 3 года назад

@@vegasromaniac haha