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Old 03-23-2010, 10:27 AM   #81
Nanuq OP
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Joined: Dec 2007
Location: Point Hope, Sitka & Biorka Island- all in Alaska
Oddometer: 1,102
Originally Posted by kdxkawboy
For mine, I gave them a gentle, respectable break-in and at 6000 went to a top quality full synthetic (Mobil 1 20W-50). After that all I did was change the oil and oil filter every 6000 miles, at which time I also checked/adjusted the valves. Cleaned the air filter as needed (use Twin Air and NoToil filters with NoToil oil). Stock doo.

Front side of doo hickey after 130,000+ miles

Back side of doo hickey after 130,000+ miles

But I did loose the spring which allowed enough slack on the balancing chain to let it eat into the cases

This also caused serious hooking of the balancer chain sprocket on the crankshaft, which with my anal approach to rebuilds makes this engine toast, and why I got a used engine to rebuild.

The mobil sythetic oil you are using-is it motorcycle specific or are you running a mobil 20-50 synthetic for automobiles?
2008 KLR 685- Iron Butt Association #44803
Trippin' in the Yukon & the AK!

"I'd rather wake up in the middle of nowhere than in any city on Earth" - Steve McQueen
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