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MAINTENANCE AND TUNE-UP PROCEDURE
This section describes the servicing procedures for each item in the Periodic Maintenance requirements.
SPARK PLUG
- NGK C7HSA
• Clean up the carbon around the spark plug to prevent the carbon from dropping into the cylinder
when removing the spark plug.
• Remove the spark plug.
• Clean up carbon accumulation on the spark plug with a steel brush or a blade.
• Inspect the spark plug gap, in general it should be about
Spark plug gap: .024 in. ~ .028 in. (0.6 ~ 0.7mm).
Note: If the carbon accumulation and wear on the spark plug appear to be excessive, replace it with
a spark plug of the same specification.
BRAKE PERFORMANCE
• Always check that there is plenty of brake fluid in the brake
fluid reservoir.
• Ensure that the rear brake pads are in good condition.
• Check the brake rotor for abnormal wear.
• DOT 3 – 4 brake fluid
For parts or service call 1-888-926-6554 • www.yerf-dog.com
