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Kx250 1999 engine performance upgrades

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swordcombat:
Just wondering what people advise on tuning my kx250 engine
As the cylinder needs a re sleeve anyway so was thinking big bore kit also i have a boyesen
Reed block , is there any ways to fine tune it like port the head ?
And tune the gears?

Foxx4Beaver:

--- Quote from: swordcombat on October 14, 2015, 04:54:12 AM ---Just wondering what people advise on tuning my kx250 engine
As the cylinder needs a re sleeve anyway so was thinking big bore kit also i have a boyesen
Reed block , is there any ways to fine tune it like port the head ?
And tune the gears?

--- End quote ---

what type of riding are you planning on doing with it?...this can play a role to some point.

swordcombat:
Well mainly just forest riding of sorts , im not a go fast as humanly possible person
Sort of enduro riding i guess

Foxx4Beaver:
not that what I did to mine will work good for you, but...
all I did to mine was clean up the casting flaws, threw in a Wossner piston....and a complete pro circuit exhaust...and it absolutely rips.

*EDIT*
mine's a 2000, which is pretty much the same bike.

swordcombat:

--- Quote from: Foxx4Beaver on October 15, 2015, 08:48:44 PM ---not that what I did to mine will work good for you, but...
all I did to mine was clean up the casting flaws, threw in a Wossner piston....and a complete pro circuit exhaust...and it absolutely rips.

*EDIT*
mine's a 2000, which is pretty much the same bike.

--- End quote ---

Casting flaws as in the cylinder head buddy , like were the reed block goes , also yeah mine has a pro circuit rear pipe and getting the same expansion chamber , also regarding piston im guessing mitaka is not a wise purchase?

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