7
STARTER SYSTEM
CS-350WES
Working principal
1. When starter grip is pulled, rope reel (D) rotates.
2. The rotation force of rope reel (D) is transmitted
to cam plate (F) by power spring (E) that is con-
nected with rope reel (D) and cam plate (F).
3. The cam plate (F) engages with starter pawls on
flywheel to turn the crankshaft.
4. The load from compression pressure in cylinder
will keep the crankshaft from rotating as the power
spring is twisted and accumulates energy.
5. The starter grip is pulled further; more energy is
stored in the power spring (E) until the accumulated
energy is enough to overcome the compression
pressure in the cylinder.
6. When accumulated energy in the power spring
(E) overcomes the load from compression pressure
in the cylinder, the crankshaft will be turned.
7. The power spring absorbs compression resis-
tance of cylinder and snatch back of engine during
starting action.
8. When the starter rope is released, rope reel (D)
is returned together with power spring (E) and cam
plate(F) by rewind spring tension.
9. After the engine starts, the starter pawls pivots
outward by centrifugal force and disengages from
the cam plate (F).
2 STARTER SYSTEM (Effortless starter)
( A ) Starter case
( B ) Rewind spring
( C ) Rewind spring case assembly
( D ) Rope reel
( E ) Power Spring
( e ) Hook end of power spring
( F ) Cam plate
F
E
A
D
C
B
e
Construction
1. Rewind spring case assembly (C) is installed
inside of starter case (A).
2. Rope reel with starter rope (D) is installed on the
rewind spring case assembly.
3. Hook located on the backside of rope reel
engages with end of rewind spring (B).
4. Power spring (E) is installed on rope reel.
5. Hook of power spring engages with rope reel and
top end hook (e) of power spring engages with cam
plate (F).
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