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Old 05-20-2010, 09:58 AM   #11
seruzawa
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Your bike is fuel injected. If the throttle bodies are a little out of sync it won't cause serious stutter. It's most likely that a sensor is fried. you need to have the EFI diagnosed.
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Old 05-20-2010, 09:59 AM   #12
gixxer750king
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well i am good with tools and stuff everything done to the bike i have done my self. but this one cought me off guard. i narrowed it down. just dont know how to change out injectors
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Old 05-20-2010, 09:59 AM   #13
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Originally Posted by Dr_Sprocket View Post
I thought only carb'd bikes required "sync-ing". The 2000 GSX-R was/is fuel injected. I agree with Seruzawa that the EFI is probably messed up. I'd take it to a dealer. Those bikes should run as smooth as anything around.
Occasionally you must re-synch throttle butterflies, especially if you've done something to the engine, or are looking for that nth horsepower.

Most of the time? Eh.

A given engine will run surprisingly-well over a HUGE range of tune (or lack therof).

I'm betting on a TPS (throttle position sensor) being the root of his problem.

But a Dealer should be able to help out with the diagnosis.
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Old 05-20-2010, 10:01 AM   #14
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well i am good with tools and stuff everything done to the bike i have done my self. but this one cought me off guard. i narrowed it down. just dont know how to change out injectors
It's not the injectors. That is, unless you filled the tank with leaves and dirt right after you removed and bypassed all the fuel filters.

Diagnose the TPS. Look to the flippity-jibbit-thingie, young man.
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Old 05-20-2010, 10:35 AM   #15
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Quote:
Originally Posted by The_AirHawk View Post
Occasionally you must re-synch throttle butterflies, especially if you've done something to the engine, or are looking for that nth horsepower.

Most of the time? Eh.

A given engine will run surprisingly-well over a HUGE range of tune (or lack therof).

I'm betting on a TPS (throttle position sensor) being the root of his problem.

But a Dealer should be able to help out with the diagnosis.
Thanks, AirHawk! Learn something new every day!
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Old 05-20-2010, 09:09 PM   #16
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its not a jump like back in forth is a harsh vibrating jump. like something is knocked loose somewhere
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Old 05-21-2010, 08:00 AM   #17
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its not a jump like back in forth is a harsh vibrating jump. like something is knocked loose somewhere
I don't mean to bust your balls, or maybe I do, but if your avatar photo is any indication of how you ride, there probably is something knocked loose. It's fun to pop wheelies and stoppies for sure, but the results are bent axles, blown shocks and forks, hyper-extended springs; the list goes on.

Pull the tank and the plastic and start putting your hands and wrenches on the bike. There may well be a part hanging by a thread.
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