Yamaha YZ450FT Automobile User Manual


 
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INSP
ADJ
SPROCKETS INSPECTION/DRIVE CHAIN INSPECTION
EC368000
SPROCKETS INSPECTION
1. Inspect:
Sprocket teeth a
Excessive wear Replace.
N
OTE:
Replace the drive, driven sprockets and drive
chain as a set.
DRIVE CHAIN INSPECTION
1. Measure:
Drive chain length (15 links) a
Out of specification Replace.
N
OTE:
While measuring the drive chain length, push
down on the drive chain to increase its ten-
sion.
Measure the length between drive chain
roller 1 and F as shown.
Perform this measurement at two or three
different places.
Drive chain length (15 links):
<Limit>: 242.9 mm (9.563 in)
2. Remove:
Master link clip
Joint 1
Drive chain 2
3. Clean:
Drive chain
Place it in kerosene, and brush off as
much dirt as possible. Then remove the
chain from the kerosene and dry the
chain.