Spark Plug Inspection; Autolube Pump Air Bleeding - Yamaha CW50L Service Manual

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INSP
SPARK PLUG INSPECTION I
IB -101 I
SPARK PLUG INSPECTION /_ .4 AUTOLUBE PUMP AIR BLEEDING
1. Remove: _ _ 1, Remove:
• Spark plug ;_ ,i,/_ " Fan cover (_
2. Check: _,_'_-_H_'/I_ '
• Spark plug type
Incorrect _ Replace
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BR8HS (NGK)
_, '_ .... 2. Bleed:
3. Inspect: '/_- \\_ ' '\ \\- • Pump housing and oil hose
. Electrode O ___
Wear/Damage _ Replace. *......................................................
• Insulator (_) _ Pump bleeding steps:
Abnormal color _ Replace. -_ //_-_(,_.=_E_i ll\ \ \\_\ _ Place a rag under the pump.
@ Normal color is a medium-to-light tan color, __/_i_ i__ Remove the bleed screw (_.
'_ ""' ° Let oil run until there are no more air bubbles
4. Measure: __ init.
• Plug gap @ • When there are no more bubbles, tighten the
Out of specification .-, Adjust gap. bleed screw.
Use a wire gauge or feeler gauge. NOTE:
I_ Spark plug gap @: Check the condition of the bleed screw gasket.
0.5 ~ 0.7 mm (0.020 ~ 0.028 in) If it is damaged, replace it with a new one.
5. Tighten: Start t he engine.
• Spark plug Let the engine run two or three minutes at
2000 rpm. This will force out any air in the
NOTE: hose.
Before installing the spark plug, clean the gasket ........ , ................. ******............. , .........
surface and plug surface.
NOTE:
First tighten by hand, then torque to specifica-
tion.
I_ Spark plug: I
20 Nm (2.0 m.kg, 14ft.lb)
3-7 3-8