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Valve Clearance, Check
Check valve clearance on running engine at operating
temperature (approx. 80 °C / 176 °F for coolant and
60° C / 140 °F for oil) with a 0.25 mm / 0.010
in. feeler gauge for exhaust valves and 0.15 mm / .006
in. feeler gauge for intake valves. The feeler gauge should move
stiffly between rocker arm and end of valve stem.
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If valve clearance is not correct, adjust it by loosening or
tightening the rocker arm nut.
The oil ejected by the rocker arm can be diverted by placing
a piece of cardboard
(approx. 40 x 320 mm / 1.6 x 12.6 in.)
between the sealing surface of the valve cover and tappet push rods.
