Oil in carburator

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Oil in carburator

Postby Strapnug » Tue Jul 10, 2012 2:26 pm

MY 1980 Honda Express runs fine until it sets for a week or two and then won't start because the carb is full of oil. Drain the carb bowl and all is OK and starts and runs fine. Other than the premix solution, where is the check valve that stops this leak-down from the injector pump or what is the fix or aftermarket fix? JBP in Wichita
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re: Oil in carburator

Postby John » Tue Jul 10, 2012 5:07 pm

A work around is to decommission the oil injector and put a block off plate on the pump and run premix. Some one on the Moped Army recently was talking of that same problem.
John

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re: Oil in carburator

Postby Strapnug » Tue Aug 21, 2012 1:33 pm

Re above--found a fix that works. Remove old oil line from pump and replace with 14 inches of new tubing and rout it down from the pump outlet in a loop downward and up to the carb inlet. Turn the inlet 90 degree fitting, pointing down. This has worked for me and the oil in the tube seeks it's own level and no more problem filling the carb bowl with oil after shut-down or storage. Regards--Strapnug
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