engine speeds up

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engine speeds up

Postby Straylight » Sat Apr 24, 2004 8:02 am

when I set the throttle the engine rpm stays set for a minute or so then speeds up, sounds like a governer problem to me, any other things could cause this?

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Postby Bigdog » Sat Apr 24, 2004 8:18 am

Sounds like it could be a dirty / sticking governor. How does it run after you get the rpm's up?
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Postby John *.?-!.* cub owner » Sat Apr 24, 2004 10:11 am

Couple more things to check, make sure linkage goin to throttle isn't dragging on engine block, and also that were the shaft that goes across the front of the engine isn't loose in the coupling at the governor. It shouldn't move easily.
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Postby Bigdog » Sat Apr 24, 2004 7:36 pm

Good point John. I had one of mine where the linkage was dragging on the intake pipe from the air cleaner. Acted just the same way. Re-positioned the tube and no more problem.
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Postby cubboy48 » Sat Apr 24, 2004 8:19 pm

check the thrust bearing
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