Check Points Of Every After 1000 Hours - wsm wg972-e4 Workshop Manual

WG972-E4, WSM

[7] CHECK POINTS OF EVERY AFTER 1000 HOURS

Cleaning Combustion Chamber (If Necessary)
1. Remove the breather hose.
2. Remove the head cover screws.
3. Remove the cylinder head cover.
4. Remove the screws of the rocker arm bracket.
5. Remove the rocker arm assembly.
6. Remove the push rods.
7. Remove the cylinder head screw.
8. Lift up the cylinder head to remove.
9. Remove the cylinder head gasket.
10. Clean the carbon of the combustion chamber (piston head and
piston side of cylinder head) with wire brush.
(When reassembling)
• When you put the push rods on the tappets, make sure that their
ends are correctly engaged with the grooves.
• Make sure that the cylinder head cover gasket is not damaged.
• Replace the cylinder head gasket with a new one.
• Replace the exhaust manifold gasket with a new one.
• Replace the muffler gasket with a new one.
IMPORTANT
• After you install the rocker arm, adjust the valve clearance.
• Put the high tension cord cap inside the spark plug
terminal firmly.
• Make sure that the cylinder number is corresponding to the
high tension cord number.
• Wrong connection causes high temperature on catalytic
muffler/converter.
Cylinder head screw
Tightening torque Rocker arm bracket screw
Cylinder head cover screw
G-23
GENERAL
38 to 42 N·m
3.8 to 4.3 kgf·m
28 to 31 lbf·ft
9.81 to 11.3 N·m
1.0 to 1.15 kgf·m
7.24 to 8.31 lbf·ft
6.86 to 11.3 N·m
0.70 to 1.15 kgf·m
5.10 to 8.32 lbf·ft
9Y1211108GEG0039US0
KiSC issued 07, 2015 A