AE01026

SPARK PLUG INSPECTION

You should periodically remove and inspect the spark plug.

1. Remove the cover 1.

q

760-025

760-024

a

760-001a

2. Check for discoloration and remove the carbon.

Standard electrode color:

Tan Color

3. Check the spark plug type and gap.

Standard Spark Plug:

CR4HSB (NGK)

Spark Plug Gap:

0.6–0.7 mm (0.024–0.028 in)

aGap

4.Install the spark plug.

Spark Plug Torque:

12.5N•m (1.25 kgf•m, 9 lbf•ft)

5.Install the cover.

AE00431

CARBURETOR ADJUSTMENT

The carburetor is a vital part of the engine. Adjusting should be left to a Yamaha dealer with the professional knowledge, specialized data, and equipment to do so properly.

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