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ENGLISH
CoolInG sysTem
Level 2.
Tools required: 25-50 mm (1-2 in.) cleaning brush, 3 mm hex
wrench, cross head screwdriver
Parts Required: None, if you are careful.
IMPORTANT
To maintain proper engine operating temperatures, cooling air must
pass freely through the cylinder n area. This ow of air carries
combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes are blocked, preventing cooling air from reaching the
cylinder.
• Dust and grass build up on the outside of the cylinder. This build-up
insulates the engine and prevents the heat from leaving.
Removal of cooling passage blockages or cleaning of cooling ns is
considered “Normal Maintenance.” Any failure attributed to lack of
maintenance is not warranted.
Cleaning Grill
1. Remove accumulated debris from crankcase intake grill above
the fuel tank.
0.65 mm
(0.026 in.)
spark pluG
Level 2.
Tools required: T-Wrench, Feeler gauge
IMPORTANT
Use only BPMR-8Y spark plug otherwise severe engine damage
may occur.
1. Remove spark plug and check for fouling, worn and rounded
center electrode.
2. Clean the plug or replace with a new one. DO NOT sand blast
to clean. Remaining sand will damage engine.
3. Adjust spark plug gap by bending outer electrode.
4. Tighten spark plug to 150-170 kg/cm (130-150 in. lb.).