The treadwear grade is a comparative
rating based on the wear rate of
the tire when tested under controlled
conditions on a specified government
test course. For example, a tire
graded 150 would wear one and onehalf
(1 1/2) times as well on the
government course as a tire graded
100.
Removal
1. Remove the chain case cover.
2. Turn the crankshaft counterclockwise to compress
the auto-tensioner.
3. Align the holes on the lock (A) and the auto-tensioner
(B), then insert a 1.2 mm (0.05 in.)
diameter pin or lock pin (P/N 14511 -PNA-003) (C)
into the holes. Turn the crankshaft clock