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Old 04-28-2010 | 06:51 AM
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spyrat
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From: durban, SOUTH AFRICA
Default ASP 80 FS
Hi all !
I have a ASP 80 fs 4stroke which runs(ran)like a clock. After a dead stick flight I have been unable to run this motor again. Lots of dismantling , cleaning setting of timing and valve clearances, still no joy.What I have discovered is that if I connect the exhaust pressure pipe to the crankcase vent, the motor will run.This is obviously bad practice and cannot be left like that. It appears to me that there is not enough exhaust pressure to force the fuel to the carb.
No blockages , kinked pipes etc
Please help if you have experienced something similar.
Thanks
Spyrat
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