I restored a 160 that sat in a barn for years...with no spark plugs in the engine. I preped the motor and started her up. Smoked bad then after just a few miles it cleared up. Run the engine several times before tearing it down It maybe just stuck rings. This weekend I will start another 160 that has sat 30yrs. I expect the same story. I don't think that the stuck needlevalve causes any smoke issues.
Getting the broken needlejet out of the carb body is tricky. If you can, very carefully epoxy a stem to the broken stud, try not to get any epoxy on the threads. Once cured you may just be able to unscrew it out.
Last edited by Spokes; 08-30-2012 at 07:24 PM.
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