ENGINE
M6060, M7060, WSM
1-M6
[8] PISTON
Piston's skirt is coated with molybdenum
disulfide, which reduces the piston slap noise and
thus the entire operating noise.
Molybdenum disulfide (MoS
2
)
The molybdenum disulfide (1) serves as a solid
lubricant, like a Graphite or Teflon. This material helps
resist metal wears even with little lube oil.
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[9] BUILT-IN DYNAMIC BALANCER
Engine are sure to vibrate by piston's reciprocation.
Theoretically, three-cylinder engines are much less
prone to cause vibration than four-cylinder ones (second
inertia, etc.). However, any engine has many moving
parts in addition to its pistons and cannot be completely
free from vibration.
The four cylinder engine is fitted with balance weight
on crankcase to absorb the second inertia mentioned
above and reduce vibration.
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(1) Molybdenum Disulfide
(1) Balancer Shaft 1 (2) Balancer Shaft 2
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