Honda CRF150F 2002 Manual Del Propietário página 179

5. Measure a section of the drive chain to
determine whether the chain is worn
beyond its ser vice limit. Measure the
distance between a span of pins from pin
center to pin center. If the distance
exceeds the ser vice limit, the chain is
worn out and should be replaced.
New chain:
Service limit:
Span of pins measured: 41
This motorcycle has a staked master link drive
chain which requires a special tool for cutting
and staking. Do not use an ordinary master
link with this chain. See your Honda dealer.
68
635 mm (25.0 in)
637 mm (25.1 in)
6. Inspect the sprocket teeth for possible
wear or damage. Replace if necessary.
Damage sprocket
Teeth
Replace
Normal sprocket Teeth
Standard sprocket sizes:
Drive sprocket
(engine)
13 teeth
If the drive chain or sprockets are excessively
worn or damaged, they should be replaced.
Never use a new chain with worn sprockets;
rapid chain wear will result.
Worn sprocket
Teeth
Replace
GOOD
Driven sprocket
(rear wheel)
50 teeth