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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Trail 70 Cylinder on a XR50R?
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[QUOTE="Jasle, post: 733894, member: 26675"] I have never taken the ct70 cylinder and put it on the XR but i have put one on a Z50. The cylinder drops right on but is alittle tight in the case. it probably would have worked to dremel the case a bit but it did go together. The head would not work. The combustion chamber area is made for a 39mm piston and then you drop a much larger one on top and it actually contacts the piston. You can snag a head off ebay for a few bucks and then your set. I'm sure you could machine the 50 head to make it work but you will still have the smaller valves. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Trail 70 Cylinder on a XR50R?
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