Modifying spark plugs

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 144
Joined: Sun Aug 05, 2012 8:46 pm
Location: Milwaukee, Wisconsin
Motorcycle: 1980GL1100 NICE!

Modifying spark plugs

Postby tunaboy » Sat May 11, 2013 9:02 am

When I read the post about trimming back the arm on a spark plug I understand the theory of exposing the electrode better for a more complete burn and all that. The one thing that confuses me is the statement that says you should gap the trimmed plugs to .010 less than the stock plug gap listed in the manual. So if the normal gap is .028 the modified plugs should be set to .018??. It would seem that the voltage will take the shortest and most direct path. If the actual path is less won't the spark be weaker?
I have used all the tips given to me here to make my wing better and EVERYTHING recommended has worked great. What am I not getting about this reduced gap thing?

PS Will I need a set of wheelie bars now? If so I would be one happy wing rider.


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