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Threads 381 to 400 of 1691

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: 1,203,169
    R Austin
    07-17-2023 Go to last post

  1. Mercury 40, 50, 60, 70 HP Drive Shaft Compatibility 1977 and 1989 Models

    Started by rustnrot, 10-26-2011
    1 Attachment(s)
    • Replies: 5
    • Views: 8,788
    Popa Sam
    10-28-2011 Go to last post

  2. removing reed stops???

    Started by fs5, 07-27-2008
    reed, removing, stops
    • Replies: 8
    • Views: 8,770
    JohnsonM50
    09-07-2008 Go to last post

  3. Help setting up 40 carbs on Yamaha 30

    Started by wmk0002, 04-16-2020
    1 Attachment(s)
    • Replies: 5
    • Views: 8,761
    wmk0002
    05-13-2020 Go to last post

  4. Casting Alluminium the myths and facts....

    Started by filthy phill, 09-11-2017
    2 Attachment(s)
    • Replies: 2
    • Views: 8,745
    Per
    09-12-2017 Go to last post

  5. Inboard DIY race motor

    Started by microbream, 01-17-2012
    2 Pages •
    1 2
    • Replies: 16
    • Views: 8,731
    stupidbaker57
    02-11-2012 Go to last post

  6. Increasing Intake manifold volume on a 59ci mercury

    Started by smitherik33, 06-12-2020
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 11
    • Views: 8,730
    smitherik33
    06-15-2020 Go to last post

  7. Porting with no fear

    Started by lilwhirlwind, 09-24-2014
    2 Pages •
    1 2
    • Replies: 15
    • Views: 8,706
    Revengable
    10-02-2014 Go to last post

  8. Impact Resistant Composite Hull

    Started by Bradkitcher, 03-23-2011
    2 Pages •
    1 2
    carbon, composite, fibreglass, kevlar, laminate
    • Replies: 10
    • Views: 8,687
    Seagull 170
    03-26-2011 Go to last post

  9. Surface piercing prop help!

    Started by tyst67, 04-28-2014
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 12
    • Views: 8,619
    ice_spy
    05-08-2014 Go to last post

  10. Crankshaft

    Started by Dago Fast, 02-02-2006
    3 Pages •
    1 2 3
    crankshaft
    • Replies: 20
    • Views: 8,613
    Fast Fred
    02-05-2007 Go to last post

  11. Question Yamaha 70 (small lower) Cooling..

    Started by hydrospeed77, 09-11-2018
    • Replies: 5
    • Views: 8,599
    hydrospeed77
    02-09-2019 Go to last post

  12. TRUE? I have to burn ethanol, retard timing?

    Started by audiobill5, 09-22-2011
    3 Pages •
    1 2 3
    • Replies: 20
    • Views: 8,565
    quick2008
    10-01-2011 Go to last post

  13. Johnson 40 hp mods

    Started by Kevodaniel, 08-19-2014
    2 Pages •
    1 2
    • Replies: 12
    • Views: 8,548
    LittleCharger
    10-02-2014 Go to last post

  14. Triple carb motors with different jet sizing?

    Started by Tiller guy, 04-16-2015
    2 Pages •
    1 2
    • Replies: 16
    • Views: 8,548
    Tiller guy
    05-14-2015 Go to last post

  15. Manual speedmaster

    Started by Droll-l6, 11-04-2006
    manual, speedmaster
    • Replies: 9
    • Views: 8,545
    sebromanh
    06-14-2017 Go to last post

  16. Look at this for a power increase claim...3% more power from new type spark plug ?

    Started by filthy phill, 09-11-2017
    • Replies: 0
    • Views: 8,545
    filthy phill
    09-11-2017 Go to last post

  17. jim ruck

    Started by lcp, 04-30-2013
    • Replies: 3
    • Views: 8,538
    lcp
    05-01-2013 Go to last post

  18. Exclamation 3 cyl.OMC Stator Question

    Started by Billsboats, 04-02-2012
    • Replies: 4
    • Views: 8,537
    Billsboats
    04-02-2012 Go to last post

  19. New prop choice and engine height setup

    Started by Cruzey, 07-09-2013
    • Replies: 2
    • Views: 8,535
    Cruzey
    07-14-2013 Go to last post

  20. gas tank size formula?????

    Started by mercguy, 11-15-2005
    2 Pages •
    1 2
    formula, gas, size, tank
    • Replies: 14
    • Views: 8,527
    Seanp3
    12-07-2005 Go to last post
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