2007 Merc 2.5HP 4 stroke - stalls after 1/4 throttle

big_chief

Seaman
Joined
Apr 5, 2010
Messages
65
Hi, I have a 2007 Merc 2.5HP 4 stroke.

The motor is in exec condition and ran perfect for years. Last year I started to have a problem with the throttle, when after about 1/4 turn it would begin to stall. I managed to make it through the season by feathering the choke as needed to compensate. It did the trick at the time... I assumed it was the carb and just wanted to get through the season.

I stored the motor last year (drained gas, left carb empty) and just took it out this year. Before I even cranked it, I replaced the plug, oil, new gas, and pulled and cleaned the carb. Put it back together and it cranked on the 2nd pull. Ran perfect at idle.

But, after 1/4 turn on throttle... same issue... stalls. Could this still be carb related? Thoughts..
 
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