Maintenance & Technical > KX500 Aluminum Frame Conversion (AFC)

Tarmac AF

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570mitch:
Finally finished my Supermoto'd AF. Its a 2007 450 chassis with a 1992 500 engine. I race the bike in the UK on tarmac, so it's got a 16.5" front and 17" rear wheel.

And before you ask, yes it has got a 4 stroke silencer on at the moment. It's off a CRF250 and we wanted to see if it let the pipe breathe better. The front pipe is a CPI sand pipe off a CR. I have never heard the engine rev so high before.

Hope you all approve.

squeak:
Very nice. I bet that's a wicked ride.  Did you build it yourself? Let's see some close up pics of the frame mods!

570mitch:
Competed on it Saturday and the power comes in with a bang, going to try and soften the bottom end a bit.

Friend of mine did all the welding and fabrication, the exhaust was probably the biggest job. He builds trials cars and was british sidecar enduro champ a few years ago, so was full of good ideas.

The best idea was for the cylinder head mount, there's a cross member linking the frame rails and all the electrics are mounted on the top. Engine comes out again tomorrow, so will take some more pics then.

DoldGuy:
570,
Definetly interested in some more pics (especially the pipe)!
DoldGuy

Dutch-K5 Fan:
It's a beauty Mitch!

Any idea's how you gone smooth out the power??
Maybe a old cilinder from Paul Malin :? :?

Dutchie

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