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Forum: Technical Discussion

  1. Smile Sticky Thread Sticky: Building A looper Beast

    Started by R Austin, 05-14-2012
    63 Pages •
    1 2 3 ... 63
    1021 Attachment(s)
    • Replies: 622
    • Views: 1,208,859
    R Austin
    07-17-2023 Go to last post

  1. Why Konig expansion chambers are paired front and back and not top and bottom

    Started by Mark75H, 07-27-2008
    back, bottom, chambers, expansion, front, konig, paired, top
    • Replies: 8
    • Views: 23,766
    pro350hydro
    07-31-2008 Go to last post

  2. Mercury Mark 58, Why The Preferences?

    Started by John (Taylor) Gabrowski, 11-14-2005
    3 Pages •
    1 2 3
    mark, mercury, preferences 5 Attachment(s)
    • Replies: 22
    • Views: 23,469
    crankbearing
    12-19-2005 Go to last post

  3. 99 40 hp johnson mods

    Started by Kevodaniel, 02-06-2014
    4 Pages •
    1 2 3 ... 4
    1 Attachment(s)
    • Replies: 31
    • Views: 23,353
    Lil' Blue Rude
    01-24-2015 Go to last post

  4. Sorensen long haul center fin

    Started by Jippe, 06-22-2014
    5 Pages •
    1 2 3 ... 5
    5 Attachment(s)
    • Replies: 49
    • Views: 23,189
    Fastjeff57
    07-27-2017 Go to last post

  5. Mercs and megaphones--thinking the unthinkable?

    Started by Dixon263, 04-27-2014
    6 Pages •
    1 2 3 ... 6
    • Replies: 55
    • Views: 23,165
    champ20B
    05-28-2014 Go to last post

  6. Looking for D Utility-"ish" 16' Runabout Plans

    Started by FlatRacer, 11-07-2011
    4 Pages •
    1 2 3 ... 4
    7 Attachment(s)
    • Replies: 31
    • Views: 23,119
    Ray Downes
    11-20-2011 Go to last post

  7. 50 Yamaha 6H4

    Started by Andrew 4CE, 09-06-2011
    4 Pages •
    1 2 3 ... 4
    • Replies: 32
    • Views: 23,104
    Mark75H
    09-18-2011 Go to last post

  8. above water exhaust outlet mod

    Started by microbream, 08-14-2011
    3 Pages •
    1 2 3
    • Replies: 22
    • Views: 23,057
    JohnsonM50
    08-23-2011 Go to last post

  9. Port work

    Started by Hondaexp, 11-29-2007
    2 Pages •
    1 2
    port, work 1 Attachment(s)
    • Replies: 19
    • Views: 23,049
    Mark75H
    06-20-2008 Go to last post

  10. Evinrude Outboard Motors

    Started by Skoontz, 10-23-2006
    evinrude, motors, outboard
    • Replies: 5
    • Views: 23,040
    Fastjeff57
    07-08-2014 Go to last post

  11. Boyesen reeds occured drop in rpm's

    Started by Galeon, 09-10-2017
    2 Pages •
    1 2
    • Replies: 16
    • Views: 22,615
    filthy phill
    09-14-2017 Go to last post

  12. Yamaha 30hp cylinder help

    Started by riverbum410, 03-08-2013
    • Replies: 9
    • Views: 22,511
    ADOLFO RACING
    08-09-2013 Go to last post

  13. propellers with leading edge roll/cup ?

    Started by filthy phill, 05-21-2017
    3 Pages •
    1 2 3
    5 Attachment(s)
    • Replies: 24
    • Views: 21,895
    filthy phill
    05-23-2017 Go to last post

  14. 2 barrel 2 banger

    Started by JohnsonM50, 02-05-2010
    6 Pages •
    1 2 3 ... 6
    banger, barrel
    • Replies: 52
    • Views: 21,812
    JohnsonM50
    04-14-2011 Go to last post

  15. 15hp mercury throttle travel issues

    Started by Mariner91, 07-10-2017
    2 Pages •
    1 2
    • Replies: 10
    • Views: 21,737
    filthy phill
    09-08-2017 Go to last post

  16. Turbo charging a 2 stroke outboard

    Started by Kevodaniel, 06-15-2014
    2 Pages •
    1 2
    • Replies: 12
    • Views: 21,494
    Kevodaniel
    06-16-2014 Go to last post

  17. gel like stuff in carb bowl

    Started by ima75man, 10-29-2012
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 13
    • Views: 21,365
    ima75man
    10-31-2012 Go to last post

  18. Piston port

    Started by Jackson, 06-29-2009
    5 Pages •
    1 2 3 ... 5
    piston, port 1 Attachment(s)
    • Replies: 40
    • Views: 20,842
    Master Oil Racing Team
    07-24-2009 Go to last post

  19. Finger ports, how to find where to put them

    Started by Fast Fred, 07-27-2015
    4 Pages •
    1 2 3 ... 4
    5 Attachment(s)
    • Replies: 33
    • Views: 20,761
    Frank73
    04-16-2016 Go to last post

  20. Low water pick up Nose cone for 50hp

    Started by gtf1, 05-19-2011
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 20
    • Views: 20,679
    Roflhat
    07-01-2014 Go to last post
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