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Throttle goes to wide open on its own when engine is off


 
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zoomeroo
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Joined: 12 May 2019
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PostPosted: Sun May 12, 2019 10:32 am    Post subject: Throttle goes to wide open on its own when engine is off Reply to specific post Reply with quote

I have an 860. When the engine is off and the hand throttle is moved just a small amount it gets pulled to wide open position.

It will stay in lowest position provided it isn't bumped.

When running it appears to operate as it should.

Is this normal???
 
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Bob
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PostPosted: Sun May 12, 2019 10:43 am    Post subject: Re: Throttle goes to wide open on its own when engine is off Reply to specific post Reply with quote

Throttle friction disc unit needs to be tightened up or the friction disc replaced.

When engine is running, governor action tugs on throttle to "close" it, so there's a "compensating spring" to counteract that.

When stopped, the governor isn't tugging back on the lever, so it's easier for the compensating spring to pull it "open".

Friction disc is #22, compensating spring is #20, adjusting nut is #16.


 
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zoomeroo
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PostPosted: Tue May 14, 2019 2:52 am    Post subject: Re: Throttle goes to wide open on its own when engine is off Reply to specific post Reply with quote

Thank you for the reply. Sorry I posted this in the wrong place.
 
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