CHK
ADJ
3-14
POWER UNIT
E
(5) Remove the oil pressure gauge.
(6) Install the oil pressure switch.
ADJUSTING THE VALVE CLEARANCE
NOTE:
• Valve clearance adjustment should be
carried out when the engine is "cold".
• Do not adjust the clearance as "remo-
ved cylinder head".
1. Measure:
• Intake valve clearance
• Exhaust valve clearance
Out of specification → Adjust.
NOTE:
Prior to the adjustment, disconnect spark
plug leads, fuel hoses , and blow-by
hose , and also remove flywheel magnet
assembly cover, spark plugs, bolts , and
cylinder head cover .
Oil pressure at idling
(at 55 °C (131 °F))
150kPa (1.5kgf/cm
2
, 21psi)
Valve clearance (on cold engine)
Intake valve : 0.2±0.05 mm
(0.008±0.002 in)
Exhaust valve : 0.3±0.05 mm
(0.012±0.002 in)
a
b
1
4
3
2
1
2
3
4
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