Kick Starter; Transmission; Autolube Pump; Crankshaft - Yamaha CW50L Service Manual

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KICK STARTER AUTOLUBE PUMP
(_ 1. Inspect: Wear or an internal malfunction may cause the
• Kick gear teeth (_) pump output to vary from the factory setting.
• Kick pinion gear teeth (_) This situation is, however, extremely rare. If
Burrs/Chips/Roughness/Wear _ Replace. improper output is suspected, inspect the follow-
ing: 1. Inspect:
31_5 • Delivery line
Obstructions .-.*Blow out.
2. Inspect: • O-ring
• Mating dogs (kick pinion gear and one-way WeadDamage _ Replace.
clutch)
_ _ Rounded edges/Damage -'_ Replace. _ _ 2. Inspect:
• Autolube pump drive gear teeth (_)
oAutolube pump driven gear teeth (_)
Pitting/Wear/Damage _ Replace.
317006 314003
3. Measure: CRANKSHAFT
. .,_, L_ • Clip tension (kick pinion gear) C) __ 1.Measure:
__] Out of specification _ Replace. oCrankshaft width "A"
i,! i i i i ' .I Use a spring balance c_). [ • Runout limit "C"
• Connecting rod big end side clearance °D"
_ Standard tension: I _ Use V-blocks, dial gauge and thickness gauge.
150 ~ 250 g (5.3 ~8.8oz.) D
_ Crankshaft width "A":
37.90 ~ 37.95 mm
317007 _oo_ (1.492 ~ 1.494 in)
Runout limit "C":
TRANSMISSION 0.03 mm (0,0012 in)
1. Inspect: Connecting rod big end side
• Drive axle (_) clearance "D":
• Main axle (_ 0.2 ~ 0.5 mm (0.008 ~ 0.020 in)
_ _ _ • Secondary sheave axle (_)
Burrs/Chips/Roughness/Wear _ Replace.
319005
• Secondary sheave axlebearing (D 1. Inspect:
f_- :_ .... _ • Main axle bearing @ • Primary sliding sheave (_
_,_-/,_\_ . Drive axle bearing (_) ° Primary fixed sheave (_)
Spin the bearing inner race.
WearlCrackslScretchlDamage .-_ Replace.
L' i ; Excessive play/Roughness ...*Replace.
Pitting/Damage _ Replace.
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