wsm M7040 - Thermostat

ENGINE
M6040, M7040, WSM
1-S41
Valve
1. Remove the valve spring collets (2) after compressing the valve
spring (3) with the valve spring retainer (1).
(When reassembling)
• Install the valve spring with its small-pitch end downward (at the
cylinder head side).
• Wash the valve stem and valve guide hole, and apply engine oil
sufficiently.
• After installing the valve spring collets (2), lightly tap the stem to
assure proper fit with a plastic hammer.
9Y1210143ENS0061US0
(4) Thermostat
Thermostat Assembly
1. Remove the thermostat cover mounting screws, and remove
the thermostat cover (1).
2. Remove the thermostat assembly (3).
(When reassembling)
• Apply a liquid gasket (Three Bond 1217D or equivalent) only at
the thermostat cover side of the gasket (2).
• Attach the thermostat with its hole (4) facing toward the front
cover side.
9Y1210143ENS0062US0
(1) Valve Spring Retainer
(2) Valve Spring Collet
(3) Valve Spring
(4) Valve Stem Seal
(5) Valve
(6) Smaller Pitch
(7) Large Pitch
A: Cylinder Head Side
B: Valve Spring Retainer Side
(1) Thermostat Cover
(2) Thermostat Cover Gasket
(3) Thermostat Assembly
(4) Hole
KiSC issued 07, 2012 A