Hi Tom, >Also need plug type and gap for 1988 Honda SB50 .Is there and alternate >brand as well?Thank you I'm not familiar with a Honda SB 50, but almost all Honda 4 strokes like the SS50, CD50 & others use a NGK C7 HSA spark plug. Most Honda 4strokes here in Holland are tuned with 70CC engines or more; in that case it's usually better to use the colder NGK C8 HSA plug. Do you have a picture of that SB50 by the way? Jeroen.
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