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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
02 cr125 dyno
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[QUOTE="steve125, post: 157606, member: 20272"] Ive spent the last 2 weeks on a 02 cr125 and after some jetting and reed mods it was off to the dyno! Stock with jetting and 50/50 race gas it has a solid 32hp @ 11k rpm. I didn't like the look of the stock honda reed manifold,the bike has a 36mm carby but Honda restricts it down to a rectangle of 26mm x 31mm before opening into the reed cage. So i mounted a 00yz125 reed manifold up to the honda cage and installed 00yz reeds. the 00yz 125 manifold measures 32mm x 37mm. It felt great on the track and the dyno backed that up with a 1hp gain starting at 9k with more over rev! No loss was felt below 9k on the track or did it show on the dyno. We also dynoed a delta 2 with a matched 00 honda manifold and it mirrored the Yam set up with the same hp of 33@11k with just a little extra over rev after peak. This is a great bike thats being held back by poor tuning from Honda,alot of people will pass this bike by due to poor engine performance (stock) and what the mags will say about that! I'll post the spec details soon.;) [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
02 cr125 dyno
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