2-6 PERIODIC MAIWTENANCE
2-6 PERIODIC MAIWTENANCE
Changing the spark pług heat rangę improperly can damage theengine.
Select the spark pług heat rangę only after adjusting the ignition timing, carburetor setting and oil/gasoline mixture.
• Inspect the spark pług condition, electrode color, carbon deposits, spark pług gap, and washer damage, after removing the spark pług.
NOTĘ:
Remove the dirt around the spark pług before removing the spark pług to prevent dirt from entering the combustion cham-ber.
• Inspect the porcelain tip color.
Porcelain tip color |
Cause |
White (overheated) |
• Hot type spark pług • Advanced ignition timing • Lean air/fuel mixture • Deteriorated fuel |
Black (fouled) |
• Cold type spark pług • Retarded ignition timing • Rich air/fuel mixture • Rich oil/gasoline mixture |
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Clean the spark pług with a brush or wire and checkthe spar(< • pług gap with a thickness gauge.
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Spark pług gap: 0.55-0.65 mm (0.022 -,0.026 in) \ \
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Standard Spark pług , v\ \ "
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i 0.55 - 0.65 mm J (0.022 - 0.026 in)
Tighten the spark pług with specified tightening torque after
tightening the spark pług temporarily with fingers.
H Spark pług: 17.5 N m (1.75 kgf-m, 12.5 Ib-ft)