Suzuki FA50 Service Manual page 12

PISTON AND PISTON R I N G
Both 1st and 2nd piston ri n gs are of keystone type, and an expander ring is with the 2nd ring.
The keystone ring i s less sticking and has excellent durability.
noise generated by the piston s l i d i n g against the cylinder wall by means of its spring tension,
thus reducing ove rall noise.
2nd ring
Parkerized for better " wear-in"
CLUTCH
Automatic centrifugal shoe type clutch is secured to the crankshaft.
construction. When the clutch drive shoes, which are thrown apart by centrifugal force vary ing
with the crankshaft speed, come in contact with the clutch driven wheel, engine power is trans­
mitted to the counter shaft. When the engine speed falls, the centrifugal force decreases and the
drive shoes comes cl ose together, thus separating from the driven wheel. This e l i m i nates the flow
of engine power.
ring
1st
Chrome
Clutch driven wheel
GENERAL lNJ-'ORAJATIOf\'
The expander ring absorbs the
- plated for better durability
Both 1st
I · form
Sec i na
·
t o
a
nd 2nd rings are sloped at
the top side.
This c l utch has simple
C l u tch drive shoes
1-9
piston ring
of