2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Running Motorcycle Spark Plugs

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Old 07-30-03, 12:31 PM
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Running Motorcycle Spark Plugs

I've heard of a couple people doing this. What brand are you running and how hot/cold are they? Does it make a noticable difference?
Old 07-30-03, 02:40 PM
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Anybody???
Old 07-30-03, 04:01 PM
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Gees ...give people time
Some people do work...LOL
Anyway, you can use B10EGV or B9EGV. If you're running stock, 9EGV will be fine. Just remember the higher the number the colder the plugs. If you're running high boost or modified, go a step colder. You can tell by the threads on the plugs. If they're heated too much, they'll turn purpleish/bluish color. That means you need colder plugs. You'll like the plugs. Much better than the BUR7 and 9 and lasts much longer. Rob from Pineapple Racing talked me into it and ever since I've been running them. Does that answer your question?
Old 07-30-03, 07:06 PM
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What about putting the the ngk trailing in both?
Old 07-30-03, 08:21 PM
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Even though the NGK BUR plugs has "trailing or "leading " marked,
it doesn't matter where you install them . Usually you install colder in trailings so 7 in leading and 9 in trailing or all 7's or all 9's . Just see how your plugs are after a few hundred miles. If the 9's are fouled, use hotter plugs. You will he happy with the EGv plugs . They don't
foul as easily.
Old 07-30-03, 08:29 PM
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Yeah, I run the Iridium snow mobile plugs- BR10EIX or something.

The Iridium electode holds up to heat very well and does not easily foul and they are fairly cheap.

Rob Golden (Pineapple Racing) specially modifies his performance engines to run these plugs bu shaving off the plug "eyebrows".

Try it you will like it- especially if boosted.
Old 07-30-03, 08:31 PM
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any problems associated with running the egv's? I thought rotarys needed / ran better on the flat topped plugs, instead of the normal looking ones like the egv's?
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