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Thread: Anyone know how to adjust power-valves on 91 CR250????

  1. #1
    Join Date
    Mar 2010
    Location
    WNY
    --
    517

    Anyone know how to adjust power-valves on 91 CR250????

    Took one of the side covers of just now and at least one side is not working. Need to know how to adjust them if I can.

    85 Big Red 250ES
    01 Scrambler 90 (Sons')


    Past Machines:
    96 Yamaha V-Max 600, 86 200x, 84 200es, 82 70, 82 200, 03 Bombardier DS650, 93 Ski-doo Formula Plus, 87 Ski-doo Stratos, 83 Yamaha XT550, 82 Kawasaki KDX175. 84 Tecate, 86 Tri-Z, 91 CR250.

  2. #2
    Join Date
    Mar 2010
    Location
    WNY
    --
    517
    Well I figured it out! The top pins lift up. Some retard had the pins set up where the valves were open all the time. so I pushed them in and set the pin back down on both sides. I looked in through the exhaust port to see how exactly they work. Magically when I ran it again I had low and mid-range power. Now I just have to fix the idling issue. I'm very happy, I thought I was screwed and something was totally messed up.

    85 Big Red 250ES
    01 Scrambler 90 (Sons')


    Past Machines:
    96 Yamaha V-Max 600, 86 200x, 84 200es, 82 70, 82 200, 03 Bombardier DS650, 93 Ski-doo Formula Plus, 87 Ski-doo Stratos, 83 Yamaha XT550, 82 Kawasaki KDX175. 84 Tecate, 86 Tri-Z, 91 CR250.

  3. #3
    Join Date
    Sep 2008
    Location
    845 New York
    --
    2,302
    i have a manual for that bike atleast to 90 ,idk if it is up to 91 also. need any specs pm
    1985 Quad Killer
    1985 Mini Raag

    1985 Green Gobbin X2!!

    1990 Kawasaki 300sx
    feedback thread http://www.3wheelerworld.com/showthr...light=code200k
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  4. #4
    Join Date
    Mar 2010
    Location
    WNY
    --
    517
    Thanks, PM'd ya.

    85 Big Red 250ES
    01 Scrambler 90 (Sons')


    Past Machines:
    96 Yamaha V-Max 600, 86 200x, 84 200es, 82 70, 82 200, 03 Bombardier DS650, 93 Ski-doo Formula Plus, 87 Ski-doo Stratos, 83 Yamaha XT550, 82 Kawasaki KDX175. 84 Tecate, 86 Tri-Z, 91 CR250.

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