Re: 450 Governor Is Frustrating Me HELP!!

Posted by Bob M on May 18, 2004 at 08:16:29 from (165.170.128.65):

In Reply to: 450 Governor Is Frustrating Me HELP!! posted by Harlen Larson on May 17, 2004 at 19:19:49:

Rustyfarmall’s response below is probably right. However the problem could be a simple bind in the linkage or carburetor throttle shaft. You might proceed like this:

1 – Remove the cover from the governor riser (the sloped cover with the vent tube running to the head) to get at the bellcrank underneath. Set the throttle handle to idle, then try to move the bellcrank up and down. It should move easily with no hint of sticking. If you find the bellcrank is sticking...

2 – Pull the pin from the bellcrank. Now work the vertical rod up and down, then rotate the horizontal shaft (carb link) to figure out which part is sticking.

3 – If it’s the carb link, loosen the 2 screws from the plates at each end of the tube connecting the governor riser to the carburetor. Wiggle the tube around then try rotating the carb link again. If it now turns now freely, retighten the screws.

4 – If the carb link is still binding, remove the carburetor and look for a bent or sticking carb throttle shaft.

5 – However if you find it’s the vertical governor rod that’s sticking the problem’s inside the governor. Remove the cover and check for a worn out thrust bearing, worn flyweight/rockshaft bushings, the wrong spring installed, etc.

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