Yamaha XS650SG Specifications download pdf (Page 83)

6. Retighten screws. Check timing again

for right cylinder.

7. Repeat procedure (steps 2-6) for left

cylinder.

-_-

-s-m-

1. Right cylinder timing adjustment

2. Left cylinder timing adjustment

(Page

15)

F. Spark plug

Check electrode condition and wear, insula-

tor color and electrode gap. Use a wire gauge

for adjusting the plug gap. If the electrodes

become too worn, replace it. When installing

the plug, always clean the gasket surface, wipe

off any grime that might be present on the

surface of the spark plug, and torque the

spark plug properly.

Standard spark plug:

N-7Y (CHAMPION) or

BP7ES

(NGK)

Spark plug gap:

0.7

0.8 mm (0.028

0.031 in)

Spark plug tightening torque:

2.0 m-kg (14.5 ft-lb)

107-

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Yamaha XS650SG Specifications Page 83