Yamaha RD200 1977 Betriebsanleitung Seite 91

threads resulting in combustion Chamber hot
spots and thread damage. Always use a spark
plug with the proper reach.
Spark plug reach: 19.0 mm (0.75 in)
Before installing any spark plug, measure the
electrode gap with a wire thickness gauge
and adjust to specification.
Spark plug gap:
0.6 ~ 0.7 mm (0.024 ~ 0.028 in)
When installing the plug, always clean the
gasket surface and use a new gasket. Wipe
off any grime from the threads and torque the
spark plug properly.
Spark plug torque:
2.0 m-kg (14.5 ft-lb)
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