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Top end rebuild kits include a forged piston
Please check those product pages for options and prices
The 265cc cylinder requires clearance mods on the 2 powervalve blades for proper piston to valve clearance
The cylinder heads are available in different compression ratios and the option of EZ starting with a decompressor button
000 higher than stock
Yamaha YZ295 BIG BORE KIT $850 Model:YZ295 Top end rebuild kits includeOriginally designed by Eric Gorr and commissioned by Magnum distributing under the brand name MAGNUM MX COMPONENTS. I've converted thousands of YZ250s to big bores since I first invented this kit in 2008. These top end components are the latest generation of design and investment cast for the highest quality. These parts will interchange with all of the top ends processed by my company and Millennium Technologies as well as aftermarket kits like the
US$ 212.50
US$ 1397.50
US$ 337.50
US$ 125.00
