New Bosch Plugs Not Gapped Correctly??? - - Excellence in Motion
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post #1 of 3 (permalink) Old Apr 23rd, 2006, 4:15 pm Thread Starter
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New Bosch Plugs Not Gapped Correctly???

Hi there. I'm about to do the 12K service, and have a question about the stock bosch plugs. They're supposedly set by the factory at 0.6mm, when the manual calls for 0.8mm.

However, I can slide my 0.8mm feeler gauge between the tips of the arched ground electrodes and center electrodes, telling my they're at least 0.8mm, and not 0.6mm, since the curvature of both ground electrodes seem to follow the curvature of the center electrode, maintaining the same gap. Or am I missing something else? How else do you measure the gap on these things?
Would like to hear from those using bosch plugs. Thx.
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post #2 of 3 (permalink) Old Apr 23rd, 2006, 11:39 pm Thread Starter
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Never mind. Owner of Euro Moto Electrics replied saying it was a mistake; they're indeed gapped at 0.8mm, and said to just pop them in. Later.
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post #3 of 3 (permalink) Old Apr 24th, 2006, 5:03 am
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Don't get anal about spark plugs.

Excessive variance is one thing but a few thou here and there won't stop the spark jumping or change performance so you would notice. Unlike the older breaker ignitions, electronics deliver their spark energy very consistently. The main thing is you got the right temperature range.

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