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Go ahead and pull have testedcleaned fuel injectors by Fuel Injector Man in Naples. Use new o-rings and some vasoline to reinstall them.
Our Yamaha HPDI fuel pump cleaning and reconditioning service extends the service life your fuel pump.
How to clean yamaha fuel injectors. How to swap and clean your Yamaha fuel injectors - YouTube. Yamaha F150 Injector Cleaning 1 - YouTube. They may make it run but when a cylinder goes lean and it melts a hole in a piston that cheap injector just got really expensive.
Cleaning Fuel Injectors Yamaha F150 Re. Ottfamilyfarms 13279540 091319 0102 PM. Disconnect the injector connectors and remove the fuel rail.
Some injectors will pull out of the throttle body while doing this and again be careful to not loose the rubber seals that hold the injectors in the throttle body. Shake any fuel out of the injectors and carefully wrap them up and prepare for shipping. Clean as a whistle.
Fuel in the VST and fuel rails clear as a bell. Heres what Im gonna do. Re-install wnew fuel rail hose wait until my fuel management sensormeter comes in and installcalibrate.
Checkrecord at various rpms fuel economy and WOT rpm. Go ahead and pull have testedcleaned fuel injectors by Fuel Injector Man in Naples. Some will replace the wearables and filter inside the injector some will setup a home-made tester to pressurize them and clean them.
Me given that its only about 20 an injector to have all that done professionally I would just send them out to have the wearables replaced and then cleanedflow tested. Seafoam mixed at one ounce per gallon will keep the injectors working great. Some auto mechanics even run it in their injector cleaning machines for cars and trucks.
There are some great videos on youtube on the stuff and Ive used it for years. How To Clean Your Outboard Fuel Injectors At Home Easy Way - YouTube. If this doesnt clean your system disassembly is required.
STP fuel injector cleaner is 100 mineral spirits high grade kerosene. At the shop we would actually disassembly our injectors out of the race bikes and pressurize a chemical solvent through the injectors in reverse using an OTC injector rig. The easiest way to do it is to remove the tank airbox and throttle body.
Unscrew the rail where the injectors are label or mark the tubes with colored tape before you disconnect then remove the injectors. Clean the sht out of them and re-install. It shouldnt take more than 2 hours with beer breaks.
Once back at shore remove the injectors or take your watercraft to your mechanic and ask him to remove the injectors and send them to Injector RX to be cleaned. At this time it might also be a good idea to have all the fuel filters in the fuel system replaced. Carefully remove the fuel line off the fuel rail by removing the clamp.
It might be under some pressure so wear eye protection. Then remove the phillips head screws holding down the rail. Also remove the 2 bolts on the front fuel line bracket.
Unplug each injector and pull the rail and injectors out. I would love to see pics or a video of the process of removing the fuel injectors. Where I live in the eastern sierras is very dusty and may contribute to me wanting to perform this service.
I just did this service on my gas truck at 90k miles after experiencing misfire in cylinder 2 and I could not believe the carbon build up. The best way to keep fuel injectors clean is to do so while theyre still on the engine. Using a fuel additive like those by Sta-Bil Star Tron ValvTect or Gas-Shok Plus on a regular basis will prevent condensation and debris from building up in your boats fuel system thus avoiding the problem altogether.
Disconnect the fuel feed lines and run the bike until it stalls. Or disconnect power from the fuel pump then run it until it stalls. Remove the fuel rail and the injectors just pull out.
Use new o-rings and some vasoline to reinstall them. Proper hand lapping polishing and cleaning of these sensitive internal components combined with the replacement of the internal mystery filter will restore and dramatically increase service life of both the single and double high pressure fuel injection pumps. Our Yamaha HPDI fuel pump cleaning and reconditioning service extends the service life your fuel pump.
Larger injectors would supply the extra fuel that the auto tuner is supposed to supply. I would install the injectors and remove the auto tuner. It is basicly the same as rejetting a carb and same thing they would do on modified car motors running port injection.
DIY Fuel Injector Cleaning at Home. Cleaning fuel injectors by soaking them in or flushing them with carb and or brake cleaner does absolute nothing. It might flush out some loose dirt and grime but thats about all.
If as suggested in some of the YouTube videos you start the DIY fuel injector cleaning process at the inlet side of the fuel injector there is a very good chance to.