wsm M7040 - Cooling Jacket; Half-Floating Head Cover; Cylinder Head

ENGINE
M6040, M7040, WSM
1-M3
[2] COOLING JACKET
The 07 series DI engine employs coolant evenness
distribution type cooling jacket inside crankcase 1. The
coolant is evenly supplied to each cylinder through the
main gallery in the jacket mold core.
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[3] HALF-FLOATING HEAD COVER
The rubber packing is fitted in to maintain the head
cover 0.5 mm (0.02 in.) or so off the cylinder head. This
arrangement helps reduce noise coming from the
cylinder head.
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[4] CYLINDER HEAD
This engine employs four valve system, the cylinder
head is provided with double intake passenge in order to
ensure appropriate air suction and give an optimum
swirl.
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(1) Coolant Passage between
Cylinder
(2) Jacket Mold Core
(3) Main Gallery
(1) Cylinder Head Cover (2) Rubber Packing
(1) Intake (2) Exhaust
KiSC issued 07, 2012 A