Re: Sparkplug gap setting for a 15 h.p. 2 cycle Yamaha
How many people do you think own a 88 15 and are looking at this site?
Without a model # and all the info asked for on the post called to get the best response, you may not get an answer.
The manual for your motor will give you all sorts of info if you purchase one and save you hours of looking for info that not many people have since they do not own a 1988.