Hi, I have a Kawasaki zxr 750 j1 it rides and runs smooth but it sticks at 10,000 rpm is this normal or is there a limiter restrictor? how can I take it off if there is so? when it gets to 10,000 rpm it feels like it wants to go more but just doesn't @
SOURCE: MY YZ250 WONT REV PAST 3/8 THROTTLE. I NEED HELP!!
It does sound like an ignition timing problem, but could also be a breathing issue, air flow in or exhaust flow out could be restricted i.e.:dirty air filter, excessive carbon build up in exhaust pipe from burning too much oil or rich fuel mixture.
possibly and more likely some junk got into your fuel system and partially plugged up the main jet in the carb, -or has the needle on the slide been moved? The little circlip at the top of the needle, if it has one.
1.Replace the spark plug, check gap, check spark, it should be bright blue and fat.
2. check the fuel filter, if no filter check the carb for dirt.
SOURCE: Wont rev past 3/8 throttle!! I NEED HELP.
could be. I had a 91 kx 250 that was acting crazy and it turned out to be the stator and cdi box. you can check the stator easly with a omes meter but the cdi box is nearly impossible to check. you pretty much have to buy a new one and try it. also check to see if your power valve is working.
SOURCE: GSXR 750 Slingshot wont rev past 5000rpm, with or without choke
I have seen this before a few things to do too make sure. First take the air filter out and shine a light use your fingers to move the slides up and down I suspect the springs that go on the slide is not seated in center you can tell from the slide going halfway and hanging up. Next, the boots on the slides only go on 1 way there is a notch on the carbs for them. I would guess this would fix you up if not we can get deeper into it with air-fuel mix screw settings.good luck
SOURCE: yzf 750 wont rev past 4000 rpm
Sounds like you need some plugs and the carbs cleaned and synchronized.
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