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Mechanics help please. 97 Suzuki Bandit 1200 problem?

After the engine gets hot, the RPM will increase without my changing throttle position. Also the RPM increase doesn't cause an increase of road speed.

I'm thinking it is either a clutch going bad or a problem with a bearing or shaft in the transmission. ( happens in 5th gear.) Which is more likely and are there any other things to look at? (It was down pretty hard at some time in its life before I bought it)

Update:

No popping noise. --occasional backfire

Its a carbed engine with approximately 40,000

Update 2:

and a hydraulic clutch.

Update 3:

last service within 7,000 miles (this spring)

4 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    Your guess is most likely right ( The Clutch) ,If it were a bearing is would burn pretty quick and you would not be wondering.

    Check the adjustment on your clutch cable and make sure you have a bit of free play at the lever, if too tight this in it's self can cause a slip.

    If the adjustment does'nt do the trick, put in a new set of friction plates, costs less than a hundred bucks on my bikes.

  • 1 decade ago

    You need to give me more info. I need mileage, last service info, etc. The increase in engine speed, with no increase in power, sounds like an intake manifold gasket. That just popped up in my nugget since I have had the same trouble there with my ride recently. Happens in fifth gear has me somewhat lost.

    My trouble was the bike would make "popping" noises when I slowed down and it was hot. But it did it in every gear, not just fifth. I had my intake manifold gasket replaced for less than $100, and have not had a problem with it like that since.

    Give me a bit more to work with. I can probably narrow it down. If you had not mentioned the 5th gear, I would bet my butt it's the intake gasket.

    Source(s): Take a peek at avatar. Been riding for many moons.
  • 1 decade ago

    I'd check the clutch first.

    From your description, it seems like it's starting to slip.

  • ?
    Lv 4
    4 years ago

    2 weeks status is sufficient for present day gas to bypass off. it must be that the carbs have gummed up, in actuality its merely approximately a fact. the different decision is that gas has seeped previous the gas faucet and has flooded the motorbike. There are 2 techniques of beginning a motorbike that is flooded. the 1st is a bump start up, 2nd or third kit and at a great p.c.. (any hills close to you?) and the different decision is to get rid of the spark plugs and turn the engine over to do away with the spare gas, clean and replace the plugs/spray WD-40 into the plug caps/LT leads on the coil and attempt to start it returned. that is going to take a wee on a similar time as for the motorbike to capture. to end the gas going of bung a can of Silkolene professional FST in there. playstation on a similar time as doing the above I bounce the motorbike from a used automobile battery, it saves the motorbike battery, merely provide the starter ten 2nd bursts then relax it for ten seconds. My GPZ900R is a sod for doing it!

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