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Thread: GPR250 (project)

  1. #136
    apriliaforum Junkie -CON-'s Avatar
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    Quote Originally Posted by thekiltedwonder View Post
    I just found this thread. Did you ever get the original electronics working with the 250 engine? Did you run into any issues with that?
    No issues, worked fine.
    2005 GPR50 metrakit pro-race 70, race crank, pro-race pipe moded with side/belly bleed, 24mm PWK, Carbon fiber reed, Malossi ignition TC UNIT K15, stock flywheel with cut of starter gear. 16 teeth front sprocket. Max speed reached 121km/h.
    2005 DERBI GPR50 with YZ250 engine http://www.apriliaforum.com/forums/s...d.php?t=179679

  2. #137
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    That's great to hear. I'm looking at doing the same project with an '02 CR250 engine.

  3. #138
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    Yes if you do it as I did it it will work fine, but you gotta weld that ring good. I spot welded lightly, and not very good so it broke off at some point.
    2005 GPR50 metrakit pro-race 70, race crank, pro-race pipe moded with side/belly bleed, 24mm PWK, Carbon fiber reed, Malossi ignition TC UNIT K15, stock flywheel with cut of starter gear. 16 teeth front sprocket. Max speed reached 121km/h.
    2005 DERBI GPR50 with YZ250 engine http://www.apriliaforum.com/forums/s...d.php?t=179679

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