I saw an old posting here the "How-to-Articles" about cutting the electrode arm even with the electrode, looks like a good idea.
Anyone know if this has any long term issues on the cylinder, piston and valves?
under this heading "Improving spark plug performance"
Information and questions on GL1800 Goldwings (2001-Present)
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- Posts: 610
- Joined: Fri Aug 22, 2014 5:01 pm
- Location: Land of Lincoln
- Motorcycle: 1999 gl1500 se
From what I have read on other sites concerning "side cutting" your plugs, there is no indication of these causing any kind of damage to the engine. So I did a set for my 99 1500 and a set for a 82 1100. I immediately noticed an improvement is starting (after sitting for the winter months was always extremely hard to get started in spring) with the side cut started within 5 seconds. They also cut down on the warm up time. hard to tell but the bike seems to respond quicker and with less hesitation on the quick accel. I can not really say I noticed any increase in MPG. I do not have enough mileage on them to be able to evaluate the life expectancy of these NGK plugs yet.
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