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Champion framed 75 MX250B

  • thumperstew
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Champion framed 75 MX250B was created by thumperstew

Just acquired a Champion framed MX250B. It's missing front end, tank/seat/carb/CDI unit. Engine turns over, cylinder looks OK. Plan to make street legal bike-F/R brakes, head/tail light, gauges, signals. Questions-what size steering head bearings? Appears to be 50mm OD. I have several fork setup options, 80s XL600-39mm, 80s YZ/TT600 43mm, 70s YZ/XR forks 37-38mm.  I'm putting a 76 DT250 stator/rotor ignition on for testing. Suggestions welcome from anyone who has done this. Thanks
08 Jun 2023 08:10 #1

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Replied by RT325 on topic Champion framed 75 MX250B

Sounds like fun & interesting too. Look forward to pics please & updates when pics can be loaded or use a hosting site.
Amazes me what you guys can make street legal. We'd have no chance here in nz.
I had an mx250b new in "75, hence my interest. Cheers.
08 Jun 2023 15:45 #2

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