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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
06 CR125 144 kit
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[QUOTE="robwbright, post: 1106584, member: 60515"] My 144 revs better than the bike did stock by the "seat of the pants" test. I've never had it dyno'd. I had Eric do the "mo betta everywhere" porting with high compression for race gas. After having the motor done, I pulled the jug after 5 races and about 15 hours of play/practice riding. I changed the ring at that time, but it wasn't really necessary yet and the piston was fine. Eric recommends 5 hours for rings and 10 hours for pistons. However, he says that an expert rider can blow one up in an hour of hard riding. However, again, he has had a 144 go 100 hours on the same piston. Eric's designed the 144 pistons for Wiseco - his piston weighs only on half ounce more than the stock 124cc piston, so I would think there would be relatively little increased wear on the bottom end - other than from the extra 6-8 peak HP. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
06 CR125 144 kit
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