Yamaha RD250I Betriebsanleitung Seite 92

the spark plug type without Consulting w i t h
y o u r d e a l e r . Y o u s h o u l d , h o w e v e r ,
periodically remove and inspect the spark
plug hecause heat and deposits will cause
any spark plug to slowly break-down and
e r o d e . If e l e c t r o d e e r o s i o n b e c o m e s
excessive, or if carbon and other deposits are
excessive, you should replace the spark plug
w i t h one of the proper type.
E n g l a n d
T h e rest
S p a r k p l u g t y p e ( N G K )
B-7ES B-8ES
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