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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
05' Cr125 144 Kit
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[QUOTE="Pete Payne, post: 1007207, member: 20445"] Yes you can overbore the cr 125 to 144 cc . I have only done a handfull of them . ( 3 ) also did a 3mm over for Steve125 . Maybe he can chim in on it . To 1444 the cr it is tricky you have 2 problems to overcome . 1 - the exhaust port becomes huge if you just bore straight down locating off of the original cyl bore . and 2 - the rear exhaust studd it pretty close to the cylinder bore . Yes you can also make them rev realy good and make peak HP at 11,000 -11,500 . reliabilty is not an issue when using Eric's pistons. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
05' Cr125 144 Kit
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