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c. If there is looseness in the steering head,
loosen the crown pinch bolt, fork pinch
bolts, and steering fitting bolt.
1. Crown pinch bolt
2. Fork pinch bolt
3. Steering fitting bolt
Use steering nut wrench to loosen top
d.
steering fitting nut. The top nut serves as
a lock nut.
Tighten the lower steering fitting nut until
e.
the steering head is tight, but does not
bind when forks are turned.
Retighten the top steering fitting bolt,
f.
crown pinch bolts and fork pinch bolts, in
that order.
Recheck steering adjustment to make sure
g.
there is no binding when the forks are
moved from lock to lock. If necessary,
repeat adjustment procedure.
Lubrication
2.
Refer to PAGE 47.
J. Lubrication of cables, pivots, etc.
1. Throttle cable and grip
The throttle twist grip assembly should be
greased at the time that the cable is lubri-
cated since the grip must be removed to
get at the end of the throttle cable. Two
screws clamp the throttle housing to the
handlebar. Once these two are removed,
the end of the cable can be held high to
pour in several drops of lubricant. With
throttle grip disassembled, coat the inside
surface of the throttle grip guide tube
with a suitable all-purpose grease to cut
down friction.
2. Meter cables
Pull the inner cable out and apply cable
lube throughly.
3.
Rear arm pivot shaft
Apply grease to grease nipple on top of
pivot with low pressure hand operated
gun. Apply until fresh grease appears at
both ends of pivot shaft.
Recommended lube:
Medium-weight wheel bearing grease
4.
Brake and change pedal shafts, and center
and side stand pivots Lubricate the shafts
and pivots with Yamaha chain and cable
SAE l0W/30
lube or
5. Wheel bearings
Refer to PAGE 39.
2-5. ELECTRICAL
A. Contact breaker point adjustment
1.
Remove breaker point cover.
2.
Check contact breaker point gap (at
largest gap) with clean feeler gauge.
Contact breaker gap:
0.3 - 0.4 mm (0.012 - 0.016 in)
If necessary, adjust by loosening securing
screws and moving the adjustable contact
point.
3.
Tighten adjusting screws and recheck
breaker point gap.
Contact breaker point maintenance
B.
1. The contact breaker should be checked
for the following:
a. Wear of the bakelite cam heel
b. Damage of contact point surfaces
motor oil.
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