Question about Tecumseh Engine 10 Hm100 Valve Lifter Tappets 34034 Off Coleman Maxa Er 5000
The motor was put on a Snapper riding mower. It will crank but will only stay running wide open. If you move the throttle in either direction, it backfires and dies
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Posted on Jan 02, 2017
SOURCE: I have a 10 hs
Hi and welcome to FixYa, I am Kelly. I understand you have a 10 HP Tecumseh engine. There are service manuals available on line for your engine but without your engine model number it is difficult to pass you the correct one: Here is the link for the service manuals:
Somewhere in the list is your manual.
This is my best guess without your engine model number:
^-Make sure you read about Adjustments in section 1 also.
Running wide open causes:
1. Broken throttle control plate spring
2. Governor spring problem
3. Internal Governor flyweight has departed the governor gear.
4. Throttle plate (butterfly) attached to the throttle shaft in the carb throat has come off the throttle shaft.
5. Broken / missing linkage
6. Someone loosened the governor shaft bolt at the base of the governor arm and allowed the governor to get out of adjstment.
Thanks for choosing FixYa,
Posted on Aug 12, 2011
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