-
30
-
(b) Rotate the crankshaft down to the bottom dead
center and lightly tap the piston head until the
large end of the connecting rod touches the
crank pin
(c)
To mount the connecting rod, line up the matching
marks and fit the clinch portions firmly together
M5×25mm Connecting rod bolt : 2pcs
(8mm box wrench)
(5) INTAKE AND EXHAUST VALVES
Takethefollowingpointsintoaccountwhen
mountingtheintakeandexhaustvalvesonthe
cylinderhead.
NOTE1:Replacethevalvewithanewoneif
itshowssignsofwear.
NOTE2:Carefullyscrapeoffanycarbon
depositsonthecombustionchamber.
Applyoiltothevalvestemsbefore
mountingtheintakeandexhaust
valves.Insertthevalvesinthe
cylinderheadandplaceitonalevel
workbench.Next,mountthevalve
springs,thespringretainersand
colletvalves.(Mountthestemseal
ontheintakevalveguide.)
STEM SEAL
Make sure press fitting to contact exactly
between stem seal and Cylinder head.
CYLINDER
HEAD
CYLINDER
HEAD
VALVE GUIDE
STEM SEAL
(INTAKE ONLY)
COLLET VALVE
SPRING
RETAINER
VALVE SPRING
EXHAUST VALVE
INTAKE VALVE
Apply oil
Apply oil
(d) Check for free movement of the connecting rod
by turning the crankshaft slowly
Tightening torque
60 - 80 N
・
m
(60 - 80
kgf
・
cm
)
(43 - 58 ft
・
lb)