Question about 1991 Yamaha FZR 600
Hi, Kennytwinncam for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Posted on Apr 04, 2016
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Posted on Jan 02, 2017
SOURCE: Trouble starting my 2003 TTR 225
how old is the gas it may have a lot of water or junk in it.drain the bowl on the carb and drain the fuel out of the tank, check the petcock screen inside the gas tank. also i would not spray start fluid into the plug hole, it could blow a hole in the top of your piston,spray a little right into your air cleaner or carb.good luck
Posted on Jan 13, 2009
Hi and welcome to FixYa,
Would the wiring of a 95 YZF750 R/SP European model help?
Good luck and thank you for asking FixYa.
Posted on Nov 08, 2009
Testimonial: "the blue yellow black wires i was looking for appear to be for tps unit whitch is missing thanks this gets me going in correct direction "
It sounds like it is running too lean for some reason. First, let's assume that the normal tune up items are correct (valve tappet clearances, spark plugs are good, air filter, etc.). Also included in this assumption is that the engine has good compression (at least 140 psi on all cylinders) and that there are no air leaks between the carbs and the engine.
The aftermarket exhaust will generally require larger jetting in the carburetors - especially when combined with anything but the stock air cleaner box assembly. So, right off the bat, plan on going up to the next size larger pilot and main jets for the exhaust alone - PLUS another two to three sizes bigger if you aren't using the stock air cleaner box.
Finally, make sure the carbs that you have refitted to your bike are not clogged up from sitting with gasoline in them. It only takes a few months for the fuel to evaporate and leave behind a varnish that will require the carbs to be disassembled and cleaned.
Posted on Dec 07, 2009
Sea foam isn't always the answer there is far better things to use, berryman B12 chemtool is the best i have found for thing that haven't been sitting for a awhile but just need a good clean or water problems.
On to the problem at hand, has your bike sat for any amount of time? if so you need to clean your carbs. the gas will varnish and block the jet. will the bike run without the choke? Check your coilby seeing if you have spark test each hole if you have good spark them you know that coils and pickup are working.
Let me know what you find, Good luck
Posted on Mar 21, 2010
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