You could try to lap the valves and check for bent valvestems or sunk exhaust seats. Should be cheap fix if the valves and seats are still serviceable. You may be able to install viton stem seals without pulling head. That'll shut up the oil burning past guides.

But come up with a plan B to prevent "service creep". You know, tune up turns into valve service turns into pull head turns into clean up carbon turns into service bearings turns into rebuild. eek


Preaching the Hot Rod Gospel according to the 4-stroke apostles:

Suck, Squish, Fire and Fumes