Selecting The Crankshaft Shim (P.t.o. Shaft Type E) - Yamaha MZ250 Service Manual

PISTON, CAMSHAFT, CRANKCASE, AND
2
a
1
b
a
CRANKSHAFT
6. Install:
9 Connecting rod cap 1
9 Connecting rod cap bolts 2
Connecting rod cap bolt:
Refer to "TIGHTENING TORQUES"
in the Supplementary service
manual.
TIP
9 Make sure that the "
necting rod is aligned with the "
on the connecting rod cap.
9 Tighten the connecting rod cap bolts alter-
nately two to three times.
7. Install:
9 Camshaft
(Refer to "INSTALLING THE VALVE
LIFTER AND CAMSHAFT" on 3-36)
9 Crankcase cover
( R e f e r t o " I N S TA L L I N G T H E
CRANKCASE COVER" on 3-37)
SELECTING THE CRANKSHAFT SHIM
(P.T.O. SHAFT TYPE E)
1. Measure:
9 Crankshaft free play a
Out of specification → Adjust.
Crankshaft free play:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
2. Calculate
9 Shim thickness
TIP
For example, if the free play is 0.4 mm (0.016
in), install a 0.30 mm (0.012 in) shim on the
crankshaft so that free play is 0.1 mm (0.004
in).
3-48
ENG
" mark a on the con-
" mark b