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2013 kx450f compatibility?

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Hey fellas I just purchased a 2013 kx450f with a locked motor. I haven't pulled the motor off yet to see all the damage but I was wondering if I could use any internals from previous years kx450f's

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I just did this with a 2012 with a 2010 engine, from 2009 till now will bolt straight in as a complete unit, between the years there are a few differences in the gearbox and cylinder, from 2009 till now the head and valves are the same in 2012 the intake cam is different ( more power), my 2010 is running perfect with all the 12 wiring and mapping.

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Thanks for the response. You mentioned the gearbox, that's what I'm most concerned about. Someone intentionally ran it without oil so I'm assuming the gears are trashed. Do you think I can use the gearbox from an older kxf? I'm trying to save coin wherever possible.

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You can use any gearbox from 2009 till now, you just need the same year cylinder to suit it, the head is the same from 09 till now.

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