wsm STW37 Workshop Manual page 128

STW34, STW37, STW40, WSM
Cylinder Head
1. Loosen the pipe clamp (1), and remove the water return pipe
(2).
2. Remove the cylinder head screw in the order of "n" to "a".
3. Lift up the cylinder head (3) to remove.
4. Remove the cylinder head gasket (4).
(When reassembling)
• Replace the cylinder head gasket (4) with a new one.
• Tighten the cylinder head screws after applying sufficient oil.
• Tighten the cylinder head screws in diagonal sequence starting
from the center in the order of "a" to "n".
• Tighten them uniformly, or the head may deform in the long run.
Tightening torque Cylinder head screw
(1) Pipe Clamp
(2) Return Pipe
(3) Cylinder Head
(4) Cylinder Head Gasket
Tappets
1. Remove the tappets (1) from the crankcase.
(When reassembling)
• Visually check the contact between tappets and cams for proper
rotation. If problem is found, replace tappets.
• Before installing the tappets, apply engine oil thinly around
them.
IMPORTANT
• Do not change the combination of tappet and tappet guide.
(1) Tappet
1-S49
ENGINE
93.2 to 98.0 N·m
9.50 to 10.0 kgf·m
68.8 to 72.3 lbf·ft
"n" to "a": To Loosen
"a" to "n": To Tighten
A: Gear Case Side
B: Flywheel Side
9Y1211109ENS0068US0
9Y1211109ENS0069US0
KiSC issued 11, 2014 A