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Old 02-19-2012, 10:26 AM   #8
Kelly_O OP
Gnarly Adventurer
Joined: Jul 2010
Location: Rifle, Colorado
Oddometer: 321
Originally Posted by JeffS77 View Post
I may have been too literal or technical..but the crank/rod/piston is all lubed by the the gas/oil mixture coming in the intake.

the oil in the "case" is just in the transmission half...thus when a crank seal goes out on a two stroke it starts sucking in the tranny oil and smoking very heavy..and if you run the 80wt tranny oil like i do in my older bikes the smoke has a more distinctive smell then the injector/premix oil.

It seems as though the intake charge should all get burned in the combustion process, and the bottom end would be out of luck as far as lubrication.

Ah, the pleasant aroma of gear oil. That takes me back to my '72 Norton. Thank You, Kelly.
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