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Thread: Variator, roller weights and contra spring mechanics for dummies! Learn how it works

  1. #106
    apriliaforum Member
    Join Date
    Dec 2015
    Location
    Cambridge, MA
    Posts
    136
    Ok - i think im understanding...i will probably stick with the touring pipe for now as I'm pretty new to CVT technology..and getting a 2000rpm clutch?...any direction?
    2004 Aprilia Mojito Retro 50cc
    2003 Vespa ET2 50cc
    2001 Triumph TT600
    1993 Yamaha Razz 50cc

  2. #107
    apriliaforum expert
    Join Date
    Jul 2015
    Location
    ontario
    Posts
    840
    motoforce and naraku have cheap ones but the less money you spend the better because... touring class is slow like 60- 80 km/h. sport class is not much better once you start pushing wind.
    midrace has good power but the low end is the worst and the powerband is very short/ only 2000rpm long.
    full race has more lowend than the midrace or atleast as much but the powerband is atleast 4000rpm long.
    --- 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. #108
    apriliaforum newb
    Join Date
    Jan 2016
    Location
    Las Vegas
    Posts
    23
    Can anyone answer a question about a clutch for me? I have a 2006 Aprilia SR50 Factory Morini and am looking at clutches , will a 107mm Zuma clutch fit? Dr Pulley HiT 161301

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