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Thread: 85mm stroke crank, need help

  1. #61
    apriliaforum expert
    Join Date
    Jul 2015
    Location
    ontario
    Posts
    862
    i think the needle is rich. perhaps a 64 or 66 is more like it.
    --- diploma for engine repair in 2012 ---

    derbi bullet 2006 - piaggio AC - malossi T.C. half - custom GPS dash - TPR 70CC - topperf crank - vl13 reed and spacer- yamaha rt180 kickstand - giannelli shotV4 - phbg 21mm - doppler mesh top venturi filter

    complete wtp volta bmx 2012 - sanko seamless japanese cromoly heat treated and blue printed frame - 21lbs

    1992 lt250r suzuki quadracer - maier plastics -chromed shearer pipe - chromed works suspension - ++++++++ - 220lbs

    previous vehicles - subaru legacy turbo 1991 - mazda mx6 turbo 1990.

  2. #62
    apriliaforum expert
    Join Date
    Jul 2015
    Location
    ontario
    Posts
    862
    yes i think the needle is rich one notch to much.

    the main jet is maybe 64-66 with the lv touring pipe. or 58/60/62 with the stock pipe. as a guess!

    ---
    jixaw is using that lv touring pipe on a 70cc morini and a 15mm carb and he loves it very much for city driving. everything else is stock!
    the airsal 70cc sport kit uses the stock head for lower compression and it runs smoother becauase it is not a squish head design. it is very cheap. get that and finish the bike like the factory intended - 70cc and torque pipe with a 1000rpm overrev ---
    --- diploma for engine repair in 2012 ---

    derbi bullet 2006 - piaggio AC - malossi T.C. half - custom GPS dash - TPR 70CC - topperf crank - vl13 reed and spacer- yamaha rt180 kickstand - giannelli shotV4 - phbg 21mm - doppler mesh top venturi filter

    complete wtp volta bmx 2012 - sanko seamless japanese cromoly heat treated and blue printed frame - 21lbs

    1992 lt250r suzuki quadracer - maier plastics -chromed shearer pipe - chromed works suspension - ++++++++ - 220lbs

    previous vehicles - subaru legacy turbo 1991 - mazda mx6 turbo 1990.

  3. #63
    apriliaforum Member
    Join Date
    Dec 2015
    Location
    Cambridge, MA
    Posts
    136
    i do mostly city driving and a malossi 70 + Leo Vince Touring + 15.15 SHA work great for getting from traffic light to traffic light
    2004 Aprilia Mojito Retro 50cc
    2003 Vespa ET2 50cc
    2001 Triumph TT600
    1993 Yamaha Razz 50cc

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