Yamaha WR250F(N), Руководство по эксплуатации для владельца

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ENG
CAMSHAFTS
REMOVAL POINTS
Camshaft
1. Remove:
●
Timing mark accessing screw 1
●
Crankshaft end accessing screw 2
2. Align:
●
T.D.C. mark
With align mark.
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.
3. Remove:
●
Timing chain tensioner cap bolt 1
●
Timing chain tensioner 2
●
Gasket
4. Remove:
●
Bolt (camshaft cap) 1
●
Camshaft cap 2
●
Clip
NOTE:
Remove the bolts (camshaft cap) in a criss-
cross pattern, working from the outside in.
CAUTION:
The bolts (camshaft cap) must be removed
evenly to prevent damage to the cylinder
head, camshafts or camshaft caps.