A new plug would tell for sure. If it gets oil soaked. Probably bad rings. Still smell the oil on the dipstick and see if it smells like gas. Either way an oil change is advised. Tom can help you out on the rings. You will need a gasket set and rings. Remove valve cover head and cylinder. Remove piston pin and piston. Replace rings making sure the groove they go in is cleaned out. Look inside cylinder for obvious damage. It would be a good idea to hone the cylinder wall. You get a honer from auto parts store. It hooks into a drill and then run it up and down the cylinder wall till all looks even.
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MXR TrailBender 160R
SYC Perf head P&P,Matched intake and exhaust, A12 cam, Orange CDI & coil, Motorio pulley, 115mm Variator and lightweight drive face,11gm Sliders, UNI, modded muffler + 200 horsepower 
http://www.youtube.com/watch?v=3hx-hEWl10c
I'll take your insults as compliments and blame it on your lack of intelligence.
Last edited by SLESTAK75; 02-11-2013 at 08:53 AM.
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