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GeorgeRYoung · October 27th, 2011, 07:00 AM

I have a compression gauge with a conical rubber thingie. You push down hard on the gauge, and the rubber thingie seals against the spark plug hole.

Crude, cheap, surprisingly effective.

October 27th, 2011, 07:00 AM	#2
GeorgeRYoung ninjette.org member Name: George Location: Ottawa, Canada Join Date: Jun 2011 Motorcycle(s): EX250, C10 Concours Posts: 109	automotive compression gauge I have a compression gauge with a conical rubber thingie. You push down hard on the gauge, and the rubber thingie seals against the spark plug hole. Crude, cheap, surprisingly effective.