Yamaha WR250F(N), Owner'S Service Manual

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INSP
ADJ
THROTTLE LUBRICATION/
DECOMPRESSION ADJUSTMENT
THROTTLE LUBRICATION
1. Remove:
●
Rubber cover 1
●
Throttle grip cap 2
2. Apply:
●
Lithium soap base grease
On the throttle cable end
a
.
3. Install:
●
Throttle grip cap
●
Screw (throttle grip cap)
●
Rubber cover
T
R .
.
4 Nm (0.4 m · kg, 2.9 ft · lb)
DECOMPRESSION ADJUSTMENT
1. Check:
●
Decompression lever free play
a
Out of specification
→
Adjust.
Checking steps:
●
Remove the timing mark accessing screw
1 and crankshaft end accessing screw
2 .
●
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
b
on the rotor with
the align mark
c
on the crankcase cover
when piston is at T.D.C. on compression
stroke.
●
Check the free play.
Free play
a
:
5 ~ 9 mm (0.20 ~ 0.35 in)