BU
YE
R’S
GU
ID
E
WO
RD
S:
ST
EV
E
CO
OP
ER
PH
OT
OS
:G
AR
Y
‘D
’C
HA
PM
AN
YAMAHA
CS1C
III ttt’sssjjjuuusss tanotherYamahatiddler
twinsaysss SSSttteeevvveee‘SSScoop’
Cooper...Orisit?
EXHAUSTS
EEExxxhhhaaauuussstttsssttteeennndddtttooogggeeettt
stressed if fittedbadly.
Getthemmounted
withoutstressat the
barrel first, then adjustt
at the silencer before
nipping up thecollaraaat
thebarrel. Ensureall
five supporting partsare
present andcorrectlyyy
assembledatswingggarm
mount point.
SEAT
Naturallatex-basedseat
foamactsasaspongeif
seatcoverisperforated,
leadingtorustedseat
base.Trimstripsdifficult
tosource.
ELECTRICS
Starterdynamos uptothe
task: poor charging normally
down todirtyor short carbon
brushes.Large gold-coloured
unit behind oil tank is
regulatorandstarterrelay
unit; contacts can be cleaned
and/or adjusted.
TANK BADGES
Make sureyouget
serviceableonesasNOS
examples arestupidlyrare
and expensive,and pattern/
copiesrarely comeupfor
sale.
OILPUMPSSS&&&
TANKS
Checktheroll pin onthetop
ofthepumpforsecurity as
they can work loose.Always
flush out the oiltank to
remove sediment andensure
internal filter andoutlet
pipe aretotally free to flow
maximum oil volume.
58 /classic motorcyclemechanics