Question about 2006 Yamaha YZF-R1 SP
When sled is running at about 8000 rpm on straight away it seems to start to lose some of its power down to about 5 or 6000 rpm i feather the throtle and my power returns i heard the exciters do not have a very good clutch just wondering if this is a clutch problem. This is a sled there is no category for sled so i picked motorcycles sorry
Snow sled ? I guess 2 stroke engine .I think you are loosing top end power by what you say .In the mini moto world if the clutch is not adjusted properly it can ruin the performance ,I dont have the settings so get a manual . But first have you checked your air cleaner is clean and that the spark plugs are new . I think a sled may have a basic carb if so does it have a low (L) high (H) adjustment screw on the carb like a chain saw if so try turning out the (H) screw by 1/4 turn, if this does not help remove the exhaust down pipe and look into the cylinder and move the piston up and down to check for any scores any score that can be felt with finger nail is no good on a 2stroke, so replace parts . I dont know if this will help if not get back in touch with more details thanks .
Posted on Mar 19, 2010
Sounds like a mixture problem, how high above sea level are you? a clutch if it fails will only slip giving higher revs not lower, good luck firstname.lastname@example.org
Posted on Sep 01, 2009
Your losing power to the track
Posted on Jul 01, 2009
This cd well be lack of fuel - slow fuel delivery
or water in fuel
Very unlikely to be the clutch unless its completely diff. from bikes
Posted on Jun 27, 2009
Generally if the clutch is slipping you will have high rpm's until you get up to speed ( which will be at a reduced rate ) I'm a little familiar with sleds, but is it carb or injection. If it's injection I would say there is a fuel ( tuning ) problem going on . Maybe a mapping issue. It could be loading up at the top end , and when it drops down in rpms it changes back to a section of the mapping that is not loading up. If it's carb, You might have the float set too low, so when you're opening her up, she starts starving for fuel, or it could be a jetting on the main jet problem.
Posted on Jun 11, 2009
No sounds like u may have a fuel and or electrical problem or both
Posted on Apr 10, 2009
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Posted on Jan 02, 2017
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