Yamaha WR250F(N), Руководство по эксплуатации для владельца

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INSP
ADJ
VALVE CLEARANCE INSPECTION AND ADJUSTMENT
Checking steps:
●
Turn the crankshaft counterclockwise with
a wrench.
NOTE:
Squeezing the decompression lever allows
the crankshaft to be turned easily.
●
Align the T.D.C. mark
a
on the rotor with
the align mark
b
on the crankcase cover
when piston is at T.D.C. on compression
stroke.
NOTE:
In order to be sure that the piston is at Top
Dead Center, the punch mark
c
on the
exhaust camshaft and the punch mark
d
on
the intake camshaft must align with the cyl-
inder head surface, as shown in the illustra-
tion.
●
Measure the valve clearance
e
using a
feeler gauge 1 .
NOTE:
Record the measured reading if the clear-
ance is incorrect.
6. Adjust:
●
Valve clearance
Adjustment steps:
●
Remove the camshaft (intake and exhaust).
Refer to “CAMSHAFTS” section in the
CHAPTER 4.