Kohler engine won't start without priming


Old 05-01-09, 09:10 AM
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Join Date: Sep 2008
Location: indiana
Posts: 114
Kohler engine won't start without priming


I am working on a Kohler twin cylinder 20hp magnum engine. Model number is M20QS. It runs great, once I prime it by putting a little gas in the carburetor. After I start it by priming, I can shut it off and it will restart everytime without priming as long as I don't let it sit too long. Is this a fuel supply line/filter problem or is it more to do with the fuel pump? Once started, the engine runs smooth at high and low speeds.

Thank you
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Old 05-01-09, 09:31 PM
hopkinsr2's Avatar
Join Date: Feb 2005
Location: canada
Posts: 1,561
Check the throttle / choke cable to make sure the choke is fully closed when choked.. It may just be an adjustment of the cable... Roger
Old 07-24-14, 06:15 PM
Join Date: Jul 2014
Location: United States
Posts: 3
same problem

I have the same problem with my kohler 18 hp courage. I simply cannot figure it out. Pray someone knows what causes this.

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