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M. Weiner

Low Max RPM ~3000

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M. Weiner

Im having some issues with a fresh rebuild K181 which doesnt want to run full speed.

I first noticed it was running slowly as my ground speed felt slower than expected. To confirm I ordered a cheapo RPM/Hour display which reads spark and knows it sparks once per 2 revolutions.

Typical Max it is running around 2800-3200 RPM. Idle is okay at ~1200 RPM.

 

How can I increase this to the rated 3600 RPM?

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pfrederi

speed.JPG

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M. Weiner

In the lower left image where is the nub on the speed control disc?

I have tried a number of settings with the governor with no change. The throttle bracket is currently near a 7 o' clock position.

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M. Weiner

Update: I adjusted the throttle bracket to the 6 o' clock position with no change.

Further anticlockwise rotation is not possible without re-routing the cable around the points cover.

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