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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
NGK R6252K-105 replacement?
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[QUOTE="WardVWRacer, post: 1222150, member: 79740"] My son just took delivery of an '08 KX85 on Thursday night (9/23), and while breaking it in on Friday we fouled the plug. Its the R6252-105 NGK. I bought two new plugs ($8.99 each) and was told that its common to foul them during the break-in. Took the bike out on Saturday and fouled the first replacement plug almost immediately upon start up. Tossed the second plug in and my son rode it for approximately 30 minutes (two times at about 15 minutes each). The thing went like a rocket! We were very happy! On the third time out he takes off and it boggs down and won't rev. Yep, another "done" plug. At this point we're out of plugs so we're done for the day. We were pretty disappointed, to say the least. I've read this string of postings with interest. I think we need to try the BR9EG plug, based on what I'm reading above. The gas is still the mix that the dealer put in it, so its 32:1. I heard something today about a "surface gap" plug as being very hard to foul. Anyone run these? [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
NGK R6252K-105 replacement?
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