Re: SMTA Governor

Posted by Bob M on May 16, 2006 at 07:50:32 from (151.190.254.108):

In Reply to: SMTA Governor posted by GordoSD on May 16, 2006 at 06:58:11:

Gordo – Ditto JimN’s advise for hooking up the tach/dwell…

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On the governor issue try removing the cover from the governor riser – that’s the slanted cover with the breather tube running running to the head.

Inside you’ll find a bellcrank. With the engine shut down set the throttle handle to idle - the bellcrank rod should be all the way down. But it should move upward freely with a light pull by hand. (If it does move not find and fix the cause of it’s binding).

Now open the throttle a few notches. The bellcrank bellcrank rod should move upward, rotating the bellcrank a full 1/4 turn to the carb wide open position.

If the bellcrank does not move, problem’s inside the governor – most likely a busted spring. You’ll need to go inside.

However if the bellcrank rotates less than ¼ turn, the bellcrank needs adjustment. Loosen the locknut, remove the small cotter key, pull the pivot pin then spin the threaded bellcrank adjusting block up or down as required so it will rotate a full ¼ turn between idle and partially open throttle. (When pulling the pins be careful not to drop 'em into the governor riser!)

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Like JimN says, after making governor any adjustment BE CAREFUL TO AVOID OVERSPEEDING THE ENGINE when starting the first time!!

Be ready to hit the kill switch should the engine begin to take off on you!

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