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Common Honda 50 Engine Capacities.

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  • Common Honda 50 Engine Capacities.

    One question that I have been asked many many times is -

    What size can I make my Z50 engine?:

    50cc = 39mm piston x 41.4mm stock stroke (Stock Honda 50 - 49.5cc engine)

    72cc = 47mm piston x 41.4mm stock stroke (Stock Honda 70 - 72cc engine)

    85cc = 51mm piston x 41.4mm stock stroke

    88cc = 47mm piston x 51mm stroker crank

    88cc = 52mm piston x 41.4mm stock stroke

    95cc = 54mm piston x 41.4mm stock stroke

    106cc = 57mm piston x 41.4mm stock stroke

    108cc = 52mm piston x 51mm stroker crank

    110cc = 52mm piston x 52mm stroker crank

    117cc = 54mm piston x 51mm stroker crank

    119cc = 54mm piston x 52mm stroker crank

    124cc = 54mm piston x 54mm stroker crank

    Cheers

    Jaimie
    Classic Honda 50's Australia - Visit our online store at - www.classichonda50saustralia.com.au

    PERFORMANCE, REPRODUCTION AND OEM PARTS TO SUIT OLD AND NEW HONDA AND OTHER 4 STROKE MINIBIKES AND MOTORBIKES INCLUDING KAWASAKI, YAMAHA AND SUZUKI.

    Parts to Suit: Honda Z50A, Z50J1, Z50JZ, Z50R, Z50JDM, Z50M, QA50, QR50, MR50, XR50, CRF50, ATC70, CT70, CZ100, MSX125 (Grom), ST70, SL70, XL70, TRX70, XR75, XR80, TRX90, Kawasaki KLX110 and Z125 models to name a few.

  • #2
    Hi Jamie , looking at putting a 47mm piston into my genuine honda z50 k2 barrel . The bottom part of the barrel that enters the cases is not big enough to bore to 47mm , therefor I will have to sleeve it .Do you sell the sleeves or can you tell me where i can buy them . Thank you Jim G

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    • #3
      I haven't had a sleeve installed for quite a while as repros are cheap by comparison these days, but if you want to use an OEM cylinder try Serco in QLD:

      https://www.serco.com.au/contact

      Cheers

      Jaimie
      Classic Honda 50's Australia - Visit our online store at - www.classichonda50saustralia.com.au

      PERFORMANCE, REPRODUCTION AND OEM PARTS TO SUIT OLD AND NEW HONDA AND OTHER 4 STROKE MINIBIKES AND MOTORBIKES INCLUDING KAWASAKI, YAMAHA AND SUZUKI.

      Parts to Suit: Honda Z50A, Z50J1, Z50JZ, Z50R, Z50JDM, Z50M, QA50, QR50, MR50, XR50, CRF50, ATC70, CT70, CZ100, MSX125 (Grom), ST70, SL70, XL70, TRX70, XR75, XR80, TRX90, Kawasaki KLX110 and Z125 models to name a few.

      Comment

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