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  1. Pros/Cons of Lightened Crankshaft - 3 banger yammy

    I did alot of searching through older threads but never found any definitive pros and cons to lightening your crankshaft. I like the idea of shaving some weight from the engine but are there any...
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    2,737

    Crankshaft lighten & balance - yammie 3 banger

    Hi All,

    need feedback for good company to lighten & balance my yammie 3 banger crankshaft, what is advantage and disadvantage for lighten crankshaft ?


    Rgds
  3. Replies
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    1,917

    Need used 45ss racing gearcase

    Looking for used 45ss racing lower unit

    Email: davidsandom69@yahoo.com
  4. Replies
    3
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    2,817

    correct jetting for 45 ss motor

    Appreciate if someone can advise correct jet size for this carby on 45ss motor, it's for outlaw class
  5. Replies
    91
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    61,775

    easiest way51968

    easiest way51968
  6. Replies
    91
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    61,775

    51967 easiest way

    51967 easiest way
  7. Replies
    7
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    7,246

    30hp yamaha carby make it scream

    30hp yamaha carby make it scream
  8. this is what most racer dont understand, should...

    this is what most racer dont understand, should be not a problem
  9. work for me change to smaller jet

    work for me change to smaller jet
  10. Replies
    5
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    5,118

    xr1million, pm me for more info , i have one...

    xr1million,

    pm me for more info , i have one of it
  11. Thread: convert

    by tsrt
    Replies
    1
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    2,290

    convert

    new project to convert a yammie from gasoline to alcohol, need advise on timing, compression,jetting and so on
  12. Replies
    20
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    17,655

    o- ring

    will o ring work instead of copper
  13. Replies
    20
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    17,655

    need double plug hole to suit my double output...

    need double plug hole to suit my double output coil for my next project
  14. Replies
    20
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    17,655

    squish band dimension please ?

    squish band dimension please ?
  15. Replies
    20
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    17,655

    need one to run 97 octane fuel, pm me

    need one to run 97 octane fuel, pm me
  16. Replies
    16
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    12,298

    racing head test video

    link: http://www.youtube.com/watch?v=uSybHLq02Zg
  17. Replies
    16
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    12,298

    Tested, run 72.2mph on my gps with my mod yamaha...

    Tested, run 72.2mph on my gps with my mod yamaha 30hp
  18. Replies
    7
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    3,604

    B10egv Easy To Get But Not B10hgv

    B10egv Easy To Get But Not B10hgv
  19. Replies
    16
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    12,298

    Tim, They only have iridium not gold...

    Tim,

    They only have iridium not gold palladium
  20. Replies
    16
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    12,298

    Hgv Is The Best Suit, It Will Fit To '87

    Hgv Is The Best Suit, It Will Fit To '87
  21. Replies
    7
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    3,604

    Just anything close to it

    Just anything close to it
  22. Replies
    7
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    3,604

    Ngk Racing Plug B10hgv

    Need A Gold Palladium Ngk Colder Racing Plug B10hgv
  23. Replies
    16
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    12,298

    I need gold palladium

    I need gold palladium
  24. Replies
    16
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    12,298

    Haven't test yet still looking for colder racing...

    Haven't test yet still looking for colder racing plug ngk B10HGV or similiar and need help.
  25. Thread: Piston port

    by tsrt
    Replies
    40
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    20,438

    my 18hp with tunnel run 46mph without and 56mph...

    my 18hp with tunnel run 46mph without and 56mph with piston port on gps
  26. Replies
    16
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    12,298

    30hp 3 cylinders yamaha racing head

    Fast Fred, I Finished the racing head 3D cnc with squish band 0.016 and 0.036.Will test next week
  27. Replies
    3
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    9,757

    Fast fred (what about 30hp yammie)

    What about 30hp 3 banger yammie, is it still the same process and measurement?
  28. Replies
    3
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    9,757

    18hp tohatsu racing head

    New custom made tohatsu 18hp racing head, center hole plug, need an idea what is the correct squish band?
  29. Replies
    19
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    11,104

    Miss BK , I need help on timing setting, my...

    Miss BK ,

    I need help on timing setting, my mechanic wrongly set the timing thinking same timing with stock and melt the piston
  30. Replies
    19
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    11,104

    I bought that last super mod c from ron, its run...

    I bought that last super mod c from ron, its run 78mph on my gps before i melt the piston. This motor really amazing, it is an art of engineering
  31. Replies
    13
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    7,663

    head compression vs fuel octane

    Can anyone share some info:

    head compression (psi) = what octane ?
  32. Replies
    549
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    614,152

    sst6o

    Fast Fred,

    Please email me topspeedracingteam@yahoo.com . I was thinking of sending sst60 powerhead to you for modification. It is outlaw in this class in our country. We can do anything to the...
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