Yamaha Mystery Filter Replacement

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This Video demonstrates the process on how to replace the mystery filters located on the Yamaha HPDI outboards. These Mystery Filters are located in the high pressure pump.
Yamaha does not sell this part as it is not in the parts manual.
Filter basket 6mm x 3mm x 14mm.
You can find them at most marine parts stores or injector shops. Same one that goes in the HPDI Injectors too

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16 окт 2024

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Комментарии : 139

@timfontenot9921 2 месяца назад

Great video again you help me get to the fuel injectors now the mystery filters thank you if an O-ring happens to get damaged can they be replaced?

@ReelTeaseFishing 2 месяца назад

@@timfontenot9921 absolutely and I highly recommend you replace them. You can usually find them at an injector shop or directly from a Yamaha dealer

@grahamlapham7694 3 года назад

You the man. Finally a good video. Let’s see if Yamaha has something to say now. Most Yamaha Machanic have no clue they are there. I’m doing mine this weekend. Glad I got to see you do it first. Well do.

@ReelTeaseFishing 3 года назад

Thank you for the support! Glad it’s helping you out 👍🏽

@ericortiz794 3 года назад

This is a great video. 👍 is it the same for 2006 Vz225tlr?

@ReelTeaseFishing 3 года назад

@@ericortiz794 some parts may look slightly different but overall it will be the same concept. there is minimal difference from the 225 and the 250

@francescopierre-nina9515 2 года назад

Excellent video- appreciated- running a 2004 200 HPDI in east africa where we have no technicians so any of these are very helpful… 👍🏽

@ReelTeaseFishing 2 года назад

Glad it helped! Greetings from south Florida

@antonioprado8068 2 года назад

@@ReelTeaseFishing are the gray red striped fuel hose considered what people suggest the old non ethanol compatible hoses?

@antonioprado8068 2 года назад

@@ReelTeaseFishing also is this 1 of tge filters that are the cause of the known hpdi blowing. Everyone tells me to stay away and stick with ox66. Why do they constantly blow. Looking at buying twin 250-300hp 2 stroke. Might buy twin ox66 250 this he. He has twin 300 hpdi but doesn't recommended them

@antonioprado8068 2 года назад

@@ReelTeaseFishing you sound from my hometown miami. Love to hit you up to dissect as much of your knowledge on ox66 and hpdi

@RobPerrins-lx2jd 2 месяца назад

Hi, great video, thanks. I have a 200 hp HPDI. I just rebuilt the engine, but it was sitting around for a few years beforehand, so there may be fuel residue in the high-pressure pump. The engine runs well, but will not rev beyond 4400 RPM. With the prop that’s on it it, it should at least get to 58 mph it only gets to 45. I’m about to change out the mystery filters, but should I also be looking for any gunk in the high-pressure regulator, etc. are there any other parts in the pump I should be cleaning out? Thx Rob

@ReelTeaseFishing 2 месяца назад

@@RobPerrins-lx2jd as far as the pump, you can hook it up to the YDS software and make sure it’s out putting over 700psi. If that checks out then the HP pump is good to go. Do the filters and I’d also highly recommend sending injectors out to service. Make sure the location can service injectors over 800psi. Most can’t

@RobPerrins-lx2jd 2 месяца назад

@@ReelTeaseFishing thx for the points. I had already put refurbished injectors in it. The fuel pressure is 685 psi, but the YDS says 725 + or - 116 psi, so it looks in spec? I just changed the filters in the injectors and didn’t notice and debris in any of them. However, there may be something minor going on with cylinder number two. When I did the running diagnostics and dropped out each cylinder, the engine slowed down after I dropped out cylinder number two, but it stalled out when I dropped out every other cylinder. Oddly, as I finished doing the test, the idle sped up from 700 to 900, almost like something had just cleared out. However, I haven’t water tested it since then. Just about to change out the mystery filters in the pump. Then I’ll fire it up out of the water and drop each cylinder out again and see what happens.

@ReelTeaseFishing 2 месяца назад

@@RobPerrins-lx2jd I think you are headed in the right direction. If for some reason that injector # 2 is giving you doubts you can swap it to a different cylinder and see if it follows. If it does, then it has me wondering if that injector is staying slightly open. I wish you the best, HPDI are very finicky. Hoping she runs fine when you water test

@Footin100 Месяц назад

@@ReelTeaseFishing I changed all the mystery filters, reset TPS, cleaned O2 sensor. All the fuel filters were changed before. HP pump reads 684 psi on YDS. Note WOT TPS is 3.84 v. (Is that enough?). The engine starts and idles ok. It just will not go over 4400 rpm and 45 mph. Before the engine rebuild it did 58 mph. Now I haven’t checked the HP pump pressure at WOT on the water yet. Engine did sit for 6 years before I put a rebuilt powerhead into it. However, the vapour separator was clean inside. The fuel filters were all changed, and it has only seen fresh fuel after the rebuild. I’m really not sure why it can’t hit top RPM. During eight hours of break in I also ran seafoam through it. I’m starting to run out of possible solutions . Any ideas would be greatly appreciated. Immediately after the rebuild, I ran extra oil in the air intakes and made sure there was proper oil feed to each intake.>.. lots of smoke. After that, I changed out the plugs.

@ReelTeaseFishing Месяц назад

@@Footin100 these HPDI’s will have you chasing your tail. Very important to have a good battery, good battery cables to the outboard and clean contacts. Then I would make sure that all cylinders are firing at WOT I’d have the YDS hooked up while running and see if you get any bad readings.

@ryans7679 Год назад

Okay I did it! I replaced only the gaskets and packing kit that were visible….. I noticed on the starboard side of the motor behind the plate there was a little bit of rust on a small area from inside the plate. there’s two little round balls on top of each other. I don’t know what their purpose is for there was some buildup around those, but the other side was super clean…getting the filters out was very hard I had to use a bigger screw after stripping out the plastic insides of the first filter I did. When I put in the new ones, they were the identical size but putting them in they didn’t seat in all the way I tap them like you did in the video I hope when I put the plates back together they get pushed in flush? I wish I could send you some pictures, but I already put it back together. If you have any idea or know what those little round balls are they are about an eighth of an inch in diameter and they sit in the middle between the pipes in the middle. Everything went back together perfectly fine and I made sure to lube up everything before putting it back together. I even used fogging oil that Yamaha makes it is super slick.

@ReelTeaseFishing Год назад

If the filters didn’t push in fully they will when you tighten it all back down. Those small ball bearing looking parts work as check valves/relief valves for the high pressure fuel rails. The move slightly when pressurized.

@ryans7679 Год назад

@@ReelTeaseFishing Thank You Buddy 🤙🏼

@erikbender1 2 года назад

what do you mean ''looks like someone took them out''.? Did it run better or worse without them?

@CyberCuban 2 года назад

Thx for the video!! My 200 hpdi is shutting down at 1000 rpm. I have changed all the fuel filters and gas lines all the way from the tank to the water separator I’m about to throw the towel.. doing the vst this weekend and that would be the last thing I’ll do to it

@ReelTeaseFishing 2 года назад

Good luck, HPDI can be a real pain when they act up

@CyberCuban 2 года назад

I did got it to work!! Boy that vst was nasty! I would love to get this mystery filter done. Where did you got yours?

@ReelTeaseFishing 2 года назад

@@CyberCuban I purchased them from Marine Express in Miami,Fl. Glad you got that VST done 👍🏽

@noes.castillol.4935 2 года назад

Hola, la bomba de gas de alta presion usa los mismos Mystery filter que los injectores?

@ReelTeaseFishing 2 года назад

Si son los mismos

@cheetoz6902 5 месяцев назад

Is a 2005 vz200tlr 3.3l big block the same ,if not can you do a vid on 1please. The 2.6 and 3.3 are completely different

@ReelTeaseFishing 4 месяца назад

if I get a 3.3 I will keep that in mind for a new video.

@jaggeranand6408 5 месяцев назад

Hey brother good stuff I'm working on a 300 right now with the high pressure fuel problem. I'm getting into the manual see if the 300 got the same filters. Cuz she runs good at low RPM and fuel starved at high RPM. Computer says high pressure fuel pump

@ReelTeaseFishing 5 месяцев назад

If the YDS is telling you that you are having an issue with your HP Pump, then I’d definitely have the HP pump sent to be rebuilt. Flagship Marine Specializes in rebuilding these. Or maybe you can get your hands on a used one or a blown 300 for parts

@ReelTeaseFishing 5 месяцев назад

You can also try doing your filters before you tackle the HP Pump

@goldenbladefencingclub7356 Месяц назад

Very good video

@ReelTeaseFishing Месяц назад

@@goldenbladefencingclub7356 thank you sir! Appreciate you watching and leaving us positive feedback 👍🏽

@hugomoratillo8453 2 года назад

Can you tell me what is the part number (for the small filters)? Thank you

@ReelTeaseFishing 2 года назад

Yamaha does not sell this part as it is not in the parts manual. Filter basket 6mm x 3mm x 14mm. You can find them at most marine parts stores or injector shops. Same one that goes in the HPDI Injectors too

@edwardburrowes4243 Год назад

Hi thank you for all your help so far, I now have a laptop with the software installed, I got it on eBay and it came complete with the cable, however I can’t seem to find any with the correct shape on the engine. Where is it located on the Yamaha 200 hpdi ? Also I removed the plastic flywheel cover and turned the flywheel by hand and I could hear air escaping from the injectors, I recently cleaned and tested them and replaced the seals and o rings is this normal? Thanks

@ReelTeaseFishing Год назад

Look for a plug I believe on the side where the throttle and shift cables attach. It’s a plug with a gray cap usually. Hard plastic harness plug

@edwardburrowes4243 Год назад

Thanks for your help I found it right where you said it would be.I also found another one with one heavy red cable

@ReelTeaseFishing Год назад

@@edwardburrowes4243 awesome!!! Not being able to see the cable your talking about I can’t be 100% but I believe that red cable your looking at is your Aux charging cable. You can connect it to a similar gauge wire and run it to your house battery to help keep it charged if you have multiple batteries.

@StevenDeLisa Год назад

Hey so I have a 2006 vz150 and I replaced vst pump filter and mechanical pumps, filters on vst plus mechanical pumps (2) neutral switch she won’t start or idle no power when I push her. Today I put new mechanical pump and she sounded like she wanted to go but no bueno. Any thoughts?

@ReelTeaseFishing Год назад

I see you have done some good troubleshooting. Let’s knock out a few basic things Have we checked compression on each cylinder? Check each spark plug for spark on each cylinder? A fully charged battery with clean contacts on both the outboard and battery?

@Fibs4Tibs 2 года назад

There appears to be another style filter on top of the VST tank.. sort of like a metal canister. Is this a filter to service?

@ReelTeaseFishing 2 года назад

Yes that is your high pressure canister filter. It is quite tricky to remove. I recommend looking up a video on how to do it. Basically, One end needs to be pushed in so it will be released by the mechanism. The other end slides off. This filter runs about 100$

@lorajones5452 3 года назад

We have a 2003 Yamaha 200 Saltwater Series II V6 OX66 - it has been serviced by "Yamaha - and 2 other boat motor guru's here in Florida and it is still not fixed. Ran excellent in the beginning then starting running rich and bogging down under load. Seems to run 6 cylinders and drops to 3 cylinders. We have replaced all fuel filters. It will idle fine out of water testing, but can't run in water. Any recommendations would be greatly appreciated.

@ReelTeaseFishing 3 года назад

Have you checked the neutral safety switch? Located by the throttle and shift cables on the outboard. Small switch plate with a wire harness. Seems like that may be your issue. Let me know, I can keep recommending things to look at

@steelreserve40 3 года назад

Awesome video!! I’ve replaced everything I can and still lose power at the top end, this has got to be it!! It’s a 200hpdi are there any major differences on the HP pump?

@ReelTeaseFishing 3 года назад

there is not any major difference. however I believe the 200HP may have less mystery filters. for the most part everything looks and the same maybe just a slight difference in the parts orientation. Good luck, hope that's it.

@hugomoratillo8453 2 года назад

I have a 2005 Yamaha 200 HPDI and is loosing power at the top end as well. It reaches around 4000 RPM and then falls to around 3500 RPM. Boat can't get on plane. How did you fix the problem? Thank you

@hugomoratillo8453 2 года назад

@@matthewnesbit-noaafederal6321 Thank you

@donnier3284 Год назад

@@hugomoratillo8453 I have a 2006 Yamaha 200hp. After spending about $1000 on it at a boat shop (they said it was fixed) I found an (F) shaped plastic screen/filter just before the vapor separation tank. I could hardly blow air through it. F shaped filter is what the parts salesman called it. If you haven't already gotten it fixed I hope this helps.

@SouthernMaineRemodel 2 года назад

This question is off the beaten path but could you provide the name of the manufacturer of the enclosure your in and the size/cost if you know it....that looks like what I had in mind for my center console due to the raised peak

@ReelTeaseFishing 2 года назад

Thanks for watching. This enclosure is more of a Frankenstein kinda carport. It was originally a 10X20 car port. Damaged during a hurricane and I kept all the corners and angles and went to a fencing supply company and purchased 12’ poles for the legs and 10’ poles for the canopy. Overall it is now 30 long by 20 wide. I then purchased a heavy duty tarp 40x30 so that the tarp can cover the sides. Hope it helps

@SouthernMaineRemodel 2 года назад

@@ReelTeaseFishing OK creative thinking that's what I like tks!

@paulcunningham6353 3 года назад

Hi, I think I need to do my mystery filters too. I have a buzzing noise coming from my lanyard key switch that will not allow me to start the engine. The lanyard is connected. I have oil in both tanks, any suggestion? Engine turns but doesn't start. I live by Hard Rock in Fort Lauderdale. Can we arrange for a visit?

@ReelTeaseFishing 3 года назад

It could be water in your fuel. The onboard spin on fuel filter has a sensor. Make sure that you don’t have water

@paulcunningham6353 3 года назад

@@ReelTeaseFishing That makes sense. I just changed the fuel sending unit and could not get one screw in and left one off. Does that buzzer at the ignition cut off all power or something? It doesn't even sound like I am getting spark or fuel. I had a full tank so I can only have a pint of water. Ugh. Do those sending units only fit one way?

@ReelTeaseFishing 3 года назад

@@paulcunningham6353 if by sending unit, you mean the fuel sending unit (Float valve). Yes, it only fits in a certain pattern. try rotating it until you see all the holes align. Make sure the kill switch is on properly. make sure your throttle lever is in the neutral position. (kill switch & throttle lever not in neutral will not send a spark to the engine)

@ktmguy64 4 месяца назад

there are several mystery filters behind each fuel rail?

@ReelTeaseFishing 4 месяца назад

I believe 2 total for 200hp and less and 4 total for the higher HP HPDIs

@ktmguy64 4 месяца назад

I thought there was a total of 8 or 9 🤷‍♂️

@ReelTeaseFishing 4 месяца назад

@@ktmguy64 you have the same filters in each injector but the actual high pressure pump has either 2 or 4.

@ktmguy64 4 месяца назад

So probably 9-10 total

@00met 3 года назад

Hi, when working on the HP Pump, is there a way or a need to release fuel pressure before opening it up?

@ReelTeaseFishing 3 года назад

I have never had It hold its pressure the few times I have opened it up. usually if there is any it should bleed out in theory as you begin to loosen the bolts way before you get to removing the face plate of the HP pump.

@00met 3 года назад

@@ReelTeaseFishing Thank you so much for your response, maybe there is one other thing you can help me out with. I had a mechanic leave me high and dry with an injector cleaning for my 300 HPDI's long story, I had to go out and buy remanufactured OEMs, and thanks to your videos I know I can get them back together. but the only concern I have is I don't know which coil wire goes where. is there any diagram or trick to figuring it out that you can help me with? Thank you so much Jim

@ReelTeaseFishing 3 года назад

@@00met glad the videos have helped. If you are talking about the clips I have a video that shows the configuration. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-oQC-fSia18Q.html Go to around 1:00 mark that’s where I explain it. I believe the 300 HPDI is a v8 Looking at the engine from behind. (Aft to bow back to front) you will have the odd #’s on the right or starboard side. (1,3,5,7) top to bottom. Then left side or port side will be even #’s (2,4,6,8) top to bottom.

@00met 3 года назад

@@ReelTeaseFishing Thank you for the information, I am going to go give it a go, not too concerned about the hands-on part just want to make sure the wiring goes to the correct ports. Found a diagram as well so once I get to the boat I will confirm all of the color codes. Thanks again Jim

@ReelTeaseFishing 3 года назад

@@00met good luck bud 👍🏽

@Fibs4Tibs 3 года назад

Part number or source for these? 2002 200 HPDI

@ReelTeaseFishing 3 года назад

@erikbender1 2 года назад

how many are in a Z2TXRC?

@kevinbarroso378 3 года назад

ok I live here in Miami thanks for answering I have a hpdi 250 when I bought it it worked fine but I connected it to the gas tank that had old gasoline and now I start it and it turns off but I am the one who install it in the boat if you do not understand much is because I'm using a translator if you can help me I'll thank you

@ReelTeaseFishing 3 года назад

Ok, I understand you perfectly. The HPDI likes clean fuel. And likes ethanol free fuel even more. My first piece of advice is to disconnect the fuel line from the dirty fuel tank. Then it is important to change your water/fuel filter that’s located on the boat. I then recommend to change the fuel filter on the engine inside the yellow/orange bowl. Buy 6 new spark plugs. Then connect the engine to a portable fuel tank with new clean fuel. Preferably ethanol free (rec90) Speak Spanish?

@kevinbarroso378 3 года назад

Hello, where are you located, maybe you can help me with my engine

@ReelTeaseFishing 3 года назад

I am in south Florida but not taking any engines at the moment. I can try and help, if you send me what you’re having problems with. I’ll try my best to explain what and where to look to try and solve your engine troubles

@kevinbarroso378 3 года назад

Gracias yo estaba pensando hacer lo mismo pero en cambiarle todos los filtros asta los de los inyectores y vi los otros que cambiasteis que no sabía que existían que crees

@ReelTeaseFishing 3 года назад

Si, lo mejor que se puede acer es cambiarle todos los filtros. el motor tiene el fuel filter, un filtro en el VST, el High pressure filter que es un cilíndrico, y los mystery filters en el High Pressure Pump. También los injerctors tienen los mismo filtros. o se pueden mandar a Flagship Marine para que limpien los injectors.

@jonbobbitt2986 3 года назад

Thank you, I have a 250 HPDI and it won't go past 3500 RPMs it just bogs any help would be great.

@ReelTeaseFishing 3 года назад

Rule out low oil in the main tank and in the tank under the cowling. Rule out water in the gas and lastly rule out overheating. Those three things will put the motor in “limp mode” If that isn’t your issue I would turn to your fuel. Run off a portable tank with new fuel and see if anything changes. If no change start with the spin on filter and move your way through the engine till you reach the injectors

@ReelTeaseFishing 3 года назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BSNJQN7aXv4.html Check that video as it may also be a bad low pressure fuel pump

@jayalldayism 3 года назад

Have you found out the problem Jon? I’m having the same issue with my 2002 200 hpdi. I’ve changed all the filters, low pressure pumps, cleaned injectors, ran it on a 6 gal tank and still can’t get it to run at wot. The only thing I haven’t done was change the hp electric fuel pump in the vst tank. That’s a pretty penny so I want to be sure that’s the problem before I dish out that kind of money.

@ReelTeaseFishing 3 года назад

@@jayalldayism If you get 50+ PSI on the Schrader valve on the VST then your electric pump is running fine. you can check it with a fuel pressure tester. amazon +-$30

@ReelTeaseFishing 3 года назад

Jon hope you found the issue. I had the exact same issue and happen to be a bad battery cable. The ground was swollen and corroded inside the cable jacket. I could not detect an issue using a multimeter. the whole time it mimic'd a fuel issue. So I urge to check your battery cables, and your grounds.

@kevinhill3549 9 месяцев назад

Is this only on hdpi?

@ReelTeaseFishing 9 месяцев назад

Yes located in the high pressure pump

@kevinhill3549 9 месяцев назад

@ReelTeaseFishing im having a bog down issue with my non hpdi motor 2004 vmax. Only at 3500rpms and higher motor will just shut off like out of gas but fire right back up. Took to the shop they replaced the low pressure fuel pumps and that didnt fix anything. Im stumped!!

@ReelTeaseFishing 9 месяцев назад

@@kevinhill3549 have you tried running off a portable fuel tank with fresh fuel? That would be the first thing I do. It will eliminate a lot of possibilities and can pin point to the next steps.

@kevinhill3549 9 месяцев назад

@ReelTeaseFishing going to give it a try today

@ReelTeaseFishing 9 месяцев назад

@@kevinhill3549 any updates

@kevinbarroso378 3 года назад

Ok gracias cómo puedo comunicarme contigo por otra vía si no te es molestia para otras preguntas

@ReelTeaseFishing 3 года назад

Mandame un email a Info@reelteasefishing.com y te mando mi numero

@kevinbarroso378 3 года назад

Creo que tengo el tanque de gas con liqueo sabes algún pegamento que me pueda servir gracias

@ReelTeaseFishing 3 года назад

So el tanque es aluminio y se le abrio huecos por oxido el tanque no da la pena tratar de Pegar. Es tiempo para un tanque nuevo Si es para resolber por un ratico trata pegatanke o jb weld

@maximilianomaysonet1718 Год назад

Donde puedo comprarlos

@ReelTeaseFishing Год назад

El filtro es 6 mmx3 mmx14 mm Yamaha no los vende. Se encuentran en lugares de auto. También lugares que arreglan o limpian injectors. Si tienes un lugar de mechanics para botes también lo pueden tener. Este filtro es común. Se usa mucho para los injectores

@jeremythompson0306 2 года назад

What’s the part number

@jeremythompson0306 2 года назад

For filters

@ReelTeaseFishing 2 года назад

@TV-nv8qq 3 года назад

Those filters are not needed. I removed my high pressure mystery filters and it runs fine

@jbettss 2 года назад

You never showed how to take out the mystery filter with the screw. Thanks though for everything else.

@ReelTeaseFishing 2 года назад

Yes, unfortunately when I went to edit the video that part did not record. However just use a wood screw and turn it by hand a few times clockwise until it bites onto the filter. Then grab a plier and pull the screw out and it will come out with the filter. To I see I push the filter into the hole and use the back of the screw to use the screw in and seat it in place.

@jbettss 2 года назад

@@ReelTeaseFishing awesome thanks.

@fishydubsfishing6516 3 месяца назад

They took them out because they were probably getting plugged up

@ReelTeaseFishing 3 месяца назад

They are notorious for getting dirty and causing issues. Some people run them without, some reinstall. I don’t have an HPDI anymore but if I did, I’d probably leave em out