Yamaha CS50 - Engine Disassembly

ENG
ENGINE DISASSEMBLY
4-3
ENGINE DISASSEMBLY
REMOVING THE REAR WHEEL
1. Remove:
• rear wheel
Refer to “REMOVING THE REAR WHEEL”
in chapter 7
• brake shoes 
• flat washer 
EAS00222
REMOVING THE CYLINDER HEAD AND
CYLINDER
1. Remove:
• cylinder covers (CS50 only)
• carburator coolant hoses (CS50Z only)
• cylinder head 
• cylinder head gasket
NOTE:
• Before loosening the cylinder head, loosen
the spark plug .
• The position nuts of the cylinder head
should be loosened by 1/2 a turn each time
and then removed.
2. Remove:
• coolant hose (on cylinder) (CS50Z only)
• cylinder 
• cylinder gasket 
REMOVING THE PISTON PIN AND PISTON
1. Remove:
• piston pin clip 
NOTE:
Before removing the piston pin clip, cover the
crankcase with a clean cloth so that it does not
accidentally fall into the crankcase.