450 to 426 electric system conversions

I have a 2000 426. Need to put whole new electrics on. Can you put later year 450 systems on? I know you need the whole thing to make it work correct (magneto, stater, cdi box,coil, plug wiring etc) with the possible timing differences in the years programed etc.Thanks:ride:

Hi, I'm looking for a CDI box for my 2002 WR426. I know this is a old post but I thought it was worth a try as I cant afford a new one. Wr CRI is not the same as a YZ. Any help would be greatly appreciated

Can you put later year 450 systems on?
What would be the advantage?

What happened to the original parts that you need to replace everything?

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