3-31
ENG
4
3
2
1
5
M
E
INSTALLING THE VALVE AND VALVE
SPRING
1. Install:
9
Valve stem seal
(Intake side only)
9
Valves
1
9
Valve springs
2
9
Valve spring retainers
3
9
Valve cotters
4
Apply a small amount of molybdenum
disulfide grease to the valve stem and
use the valve spring compressor
5
to
install the parts.
Valve spring compressor:
90890-01253
NOTICE
Do not compress the valve spring more
than necessary.
TIP
Make sure that the blunt edged corner of
valve cotter is positioned to the valve spring
retainer.
VALVE
NOTICE
Do not let the lapping compound enter the
gap between the valve stem and the valve
guide.
TIP
After every lapping procedure, clean off the
compound from the valve face and valve seat.
Summary of Contents for MZ250
Page 1: ...MZ250 MZ300 SERVICE MANUAL 7VB F8197 10 LIT 19616 01 80 cover indd 1 2012 10 30 12 01 25 ...
Page 2: ...cover indd 2 2012 10 30 12 01 25 ...
Page 6: ......
Page 10: ...CHAPTER 6 TROUBLESHOOTING ENGINE 6 1 ...
Page 40: ...3 6 ENG FUEL TANK CANISTER CHECKING THE CANISTER 1 Check 9 Canister 1 Cracks damage Replace 1 ...
Page 116: ...6 9 TRBL ...
Page 117: ...cover indd 3 2012 10 30 12 01 25 ...