Yamaha TZR50 '03 Service Manual page 103

ASSEMBLING AND ADJUSTING THE ENGINE
CAUTION
To protect the crankshaft from scratching
or facilitate the installation operation, apply
grease to the lips of the oil ring and engine
oil on each bearing
1. Position:
• Crankshaft installing tool
(90890 - 01274, 90890 - 01278)
2. Assemble:
• Crankshaft on the left-hand side of the
crankcase.
NOTE:
Hold the con rod at top dead centre with
one hand while you use your other hand to
turn the nut of the tool until the crankshaft
has gone all the way and touches the bea-
ring.
4-24
ENG