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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Once agian...O Ring chain on 85 cc
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[QUOTE="94ruck, post: 581387, member: 24871"] My son has been using an RK 420 o ring for 1 year on his 80cc hare scramble KX. It may be noticeable drag but he holeshots or runs in the top compared to 85cc and 100cc bikes with some fast kids on them. We also have a steel rear sprocket. This bike is not set up for MX and by the time an hour race is over, there is way more mud than to worry about a little drag or excess weight. This bike has been ridden harshly ALOT. Of course my son is small but he is 13 and a decent rider. We would go to lighter stuff if we rode MX soley but right now durability is worth a couple of LBS and HP. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Once agian...O Ring chain on 85 cc
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