Timing Chain Tensioner Adjustment - Yamaha YFM250XL(C) Service Manual

3
VALVE CLEARANCE ADJUSTMENT/

TIMING CHAIN TENSIONER ADJUSTMENT

Once again, measure the valve clearance.
If the clearance is incorrect, repeat above
steps until the
obtained.
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Installation
Reverse the "Removal" procedure. Note
the following points.
1.Install:
Tappet cover 1 (exhaust)
Tappet cover 2 (intake)
NOTE:
Install the tappet covers with its ridge fac-
ing upward 3.
Check the O-ring 4 for damage. If dam-
aged, replace.
Tappet cover:
10 Nm (1.0 m • kg, 7.2 ft • lb)
2.Install:
Fuel tank
Fuel tank cover
Seat
Refer to the "FUEL TANK - Installation"
section.
TIMING CHAIN TENSIONER ADJUSTMENT
This model has been equipped the auto-
matic timing chain tensioner 1. No adjust-
ment is necessary.
3 - 12
INSP
ADJ
proper clearance is