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do it yourself

FOUR-STROKE TEAR- DOWN TIPS

By Allen Knowles  and staff of Dirt Wheels FOUR-STROKE TEAR- DOWN TIPS When performance quads were two-strokes without power valves, rebuilding an engine was relatively cheap, even with labor included. Modern two-strokes with power valves are definitely more expensive to work on, but those are not available for quads unless you are willing to build your own. With modern quads, it doesn’t matter whether you are working on a sport quad or a 4x4, you will be working on a four-stroke. Costs soar with the increased…