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Yup, after changing oil (which was full of diesel) runs great now. The hours of trying to start with plugged exhaust must have pumped raw fuel into the sump. Interesting to note, the spark arrestir is nade by “Supertrapp” who’s main business has been tunable 4 stroke dirt bike exgaust systems...

tILl Problem solved ! ( i think) after lowering the oil level (just noticed that there are 2 dip sticks on this gen, one read full to the line, the (other looked like 3/4.) Anyway i drained some oil and after hours of pull starting and recharging batteries for electric start, re doing the fuel...

well, no beetles but the exhaust valve rocker was a little loose, i drained some oil, tightened up the exhausr valve lash, she tries to start but still no go. I'm suspecting maybe a bad injector nozzle now. the fresh oil is black as coal

When I received my 531, the air filter was soaked in engine oil and there was oil on the air heaters . After I repaired the fuel lines and got it primed, she started righht up and produced good power but she blew liquid oil, water and smoke out of the exhaust for about an hour, then it cleared...