Yamaha MZ250 Service Manual page 81

PISTON, CAMSHAFT, CRANKCASE, AND
a
1
1
b
1
3-47
CRANKSHAFT
3. Attach:
9 Piston ring compressor 1
Piston ring compressor:
YM-08037, 90890-05158
TIP
Attach the piston ring compressor to the pis-
ton, and then insert the piston into the cylin-
der.
4. Check:
9 Piston with the connecting rod 1 posi-
tion
TIP
9 Make sure that the "
ton head faces toward the push rod.
9 Make sure that the "YAMAHA" mark b on
the connecting rod faces toward the crank-
case cover.
5. Install:
9 Crankshaft 1
ENG
" mark a on the pis-