Davegtst
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| posted on 5/11/12 at 08:21 PM |
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Sticking throttle bodies (hayabusa)
Every now and then (especially when it's hot) my engine won't return to idle and revs to about 3-4 k revs. It seems the spring
isn't really strong enough on the throttle pulley and holds the butterflies open only very slightly. Obviously on the bike it would have had a
cable from the throttle to shut it aswell but of course i only have one cable to open the butterflies and it relies on the spring to shut them. Has
anyone encountered this and is there a fix or shall i just fit a stronger spring.
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Nick DV
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| posted on 5/11/12 at 08:52 PM |
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As long as you are sure that there is nothing else causing this, then go for an extra or stronger spring - it's the cheapest option to start
with.
Cheers, Nick 
"The force will be with you, always!"
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phelpsa
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| posted on 5/11/12 at 11:20 PM |
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A friend of mine has had this when the butterflies have bent slightly. His is supercharged however. It might be worth whipping them out and checking.
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