Destructo,
I understand completely what you mean about wanting more power, believe me I do. Modifying the DR250 will not increase the power enough to shorting the lifespan of this motor. Alittle tweaking would be all that I would do. If you want more power go to a bigger bike. The DR250 is a sweet little bike and will last you forever, except for the kickstand. Good luck though and let me know what you find, I'd be interested in hearing about any modes you do. Have you taken the snorkle out of the air box yet, this should make it breath alittle better, alittle jetting adjustment could be done also to richen things up a bit. Stock these bikes run very lean.
Irwin
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DR250S All stock
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