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Project Yamaha AG250

Discussion in 'Your 250cc Projects' started by Murdo, Sep 17, 2023.

  1. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    My Bike:
    1937 Royal Enfield 250, CF Moto 250 V5, Honda's XL250, CBR250, FT500 plus a few others.
    The latest from the shed.
    1989 Yamaha AG250 (AG=ag-bike) that I fitted an electric start SR250 (road bike) engine into. I acquired the engine and frame through different deals over the years and as part of cleaning up my shed so the kids don't have to when I'm gone I got in and put these together. Had to bend the front down tube slightly to fit the electric starter but everything bolted up otherwise. Had some head scratching to get the 6 volt wiring to work with the 12 volt system of the SR engine. Some left over paint from my FT Honda and some black, bits from a few other different bikes I had on the shelf and it all goes and rides nice. I plan to register this one to ride on the dirt ride days while I do some work on my XL250s.
    Bingara 23 + AG250 022.jpg Bingara 23 + AG250 023.jpg Bingara 23 + AG250 024.jpg Bingara 23 + AG250 025.jpg Bingara 23 + AG250 026.jpg
    And this was what I started with.
    Yamaha 250 Scrambler start 022.jpg
     
    • Nice Work Nice Work x 2
  2. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    1937 Royal Enfield 250, CF Moto 250 V5, Honda's XL250, CBR250, FT500 plus a few others.
    Out for dirt ride days with friends.
    yyy 003.jpg
     
    • Like Like x 1
  3. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    My Bike:
    Yamaha FZR250 3LN1
    Absolutely fantastic work as always, that was more of a resurrection than a restoration and it looks better than it ever did new
     
    • Thanks! Thanks! x 1
  4. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    1937 Royal Enfield 250, CF Moto 250 V5, Honda's XL250, CBR250, FT500 plus a few others.
    It rides along nice and the Pirelli MT-60 tyres handle the dirt better than I thought they would.
     
  5. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    My Bike:
    1937 Royal Enfield 250, CF Moto 250 V5, Honda's XL250, CBR250, FT500 plus a few others.
    Been having trouble with the 34mm Kiehin I had fitted so bought a 30mm Chinese copy. I had to weld up an adapator to fit the new rubber intake to PZ carb, some machining required, and had to make a plastic fitting to go from the 60mm intake rubber down to the 42mm on the carb. I flared it internally to make a velocity stack and fitted in nice.
    aaa 010.jpg aaa 012.jpg
    Had to increase the pilot jet from #40 to #55 but otherwise it runs nice.
    aaa 014.jpg
     
    • Winner Winner x 1
  6. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    1937 Royal Enfield 250, CF Moto 250 V5, Honda's XL250, CBR250, FT500 plus a few others.
    Out for Tuesday ride.
    aaa 022.jpg
     
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