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Ideal swing arm length for dune and trails


Abtx

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As long as the valve is functioning and opens to the top of the port, there is no reason it shouldn't on the 500+ CC Cheetahs. All that info about the intakes is irrelavent on a motor that size as each cylinder is actually over 250 CC and there seems to be enough transfer volume to move it. I personally think it he Cheetah is not a drag motor, and guys building them for drag or hill shooting should just be doing a DM. The 250R guys have proved the benefits of power valves for decades in rec riding and various forms of racing other then drag racing.

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As long as the valve is functioning and opens to the top of the port, there is no reason it shouldn't on the 500+ CC Cheetahs. All that info about the intakes is irrelavent on a motor that size as each cylinder is actually over 250 CC and there seems to be enough transfer volume to move it. I personally think it he Cheetah is not a drag motor, and guys building them for drag or hill shooting should just be doing a DM. The 250R guys have proved the benefits of power valves for decades in rec riding and various forms of racing other then drag racing.

Also almost every single 2 stroke dirtbike ever built.
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