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2009 SX450 gearbox, 4 speed to 5 speed possible?

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Hey guys,

Would it be possible to convert a KTM SX450 2009 model to the 2010 SX 5 speed gearbox? Would I need alot of parts or is it quite easy?

Thanks

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No - neither easy nor cheap. You would need the engine halves from an XCF ...

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08 and later sxf cases have the bosses cast in for the extra shift shaft needed for the 5-speed conversion.

However, be prepared to spend $1200 in parts. Practically nothing interchanges between the 4 and 5-speed boxes. This is due to the fact that the 4-sp gears use sliding rings to engage the gears, much like a race car gearbox. The 5-speed is a normal bike gearbox, with sliding gears.

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That´s right, my bad ... Can be done from -08 models and on. Still expensive though.

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