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8hp 2 cycle idle problems

davejames990

New member
I use my 2 cycle 8hp to backtroll plugs for steelhead and am having some issues with low speed idle. The engine will purr along just fine for 5-10 minutes and then seemingly starve for fuel and die. It will restart if I choke it and go thru a very exacting sequence of increasing the throttle and disabling the choke. All the while my driftboat is spinning and lines are tangling. I bought new 91 octane gas and use Seafoam. That helped but didn't solve the problem. The plugs look fine. Nice tank color. The engine runs great at up throttle. I've heard lots of "advice" from other boaters. Exhaust is plugged. Carb needs rebuilt. The gas line from the tank might be leaking air. The primer bulb does seem to get soft after I've run the motor for awhile.
 
when the motor starts to starve for gas, hand pump the bulb, if the motor starts acting right,it's a fuel problem. Ie... fuel line or fuel pump. if not I would do a carb rebuild, and replace the plugs.
 
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