Built-In Dynamic Balancer (Balancer Model Only) - Nanni N4.40 Workshop Manual

03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM

[2] BUILT-IN DYNAMIC BALANCER (BALANCER MODEL ONLY)

The engine causes vibration because of the
reciprocation of the piston. This 3-cylinder engine is
much less possible to cause vibration than a 4-cylinder
one (second inertia, etc.). But all engines have many
parts that moves and thus cannot be fully free from
vibration.
The 4-cylinder engine can attach the balance weight
on the crankcase to absorb the second inertia and
decrease vibration.
This engine has 2 balancers internally (1), one at the
suction side and the other at the exhaust side.
(1) Balancer
1-M2
ENGINE
[A] V2003-M, V2203-M,
V2403-M, V2403-M-T
[B] V2403-M-DI, V2403-M-DI-T
M00000003ENM0002US1
KiSC issued 06, 2009 A