4-strokes

66 topics in this forum

1. Yamaha RX1 Engines

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   • 23

   By Teal, 26 Feb 2016
   • 561 replies
   • 132,731 views
   • 
   • 955i
   • 18 Nov 2019

2. Yamaha Apex Skytrax Adapters

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   By Yamma-Fox, 26 Mar 2018
   • 77 replies
   • 34,245 views
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   • SuberAvid
   • 12 Mar 2020

3. YAMAHA RX-1 (140 HP) install in Kitfox 5

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   • 5

   By Yamma-Fox, 15 Sep 2017
   • 108 replies
   • 27,294 views
   • 
   • Yamma-Fox
   • 8 Dec 2019

4. rotax 912 edge performance big bore kit failure

   By flywise, 4 Sep 2019   

   • edge performance
   • 15 replies
   • 11,422 views
   • 
   • Av8r3400
   • 12 Aug 2020

5. Subaru EA81

   By bcbushcaddy, 26 May 2016   

   • subaru
   • ea81
   • (and 5 more)

     Tagged with:

     • subaru
     • ea81
     • reductions
     • dave johnson
     • re-drive
     • belt drive
     • rotec tbi
   • 15 replies
   • 10,650 views
   • 
   • bcbushcaddy
   • 3 Apr 2022

6. Anyone ever use a sea doo engine?

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   By 1avidflyer, 24 May 2017
   • 25 replies
   • 10,051 views
   • 
   • Yamma-Fox
   • 28 Oct 2018

7. Bmw r100 engine in an avid

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   By Richard Smith, 28 Aug 2016
   • 52 replies
   • 9,811 views
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   • RJGerstnecker
   • 24 Feb 2018

8. new viking 110 -- honda fit core conversion

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   By jbowaaf, 22 Apr 2013
   • 38 replies
   • 7,512 views
   • 
   • BryceKat
   • 3 Sep 2015

9. MY AVID Mk4 RX-1...build

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   By sky4play, 5 Nov 2018
   • 25 replies
   • 4,774 views
   • 
   • TSIMKO
   • 4 Jan 2021

10. Subaru carb, manifold ect

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    By 1avidflyer, 5 Sep 2015
    • 25 replies
    • 4,746 views
    • 
    • EDMO
    • 7 Sep 2015

11. HKS install

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    By Allen Sutphin, 25 Jun 2020
    • 34 replies
    • 4,294 views
    • 
    • Allen Sutphin
    • 25 Jul 2020

12. Foot Cramps

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    • 2

    By lv2plyguitar, 7 Nov 2016
    • 26 replies
    • 4,074 views
    • 
    • TJay
    • 22 Jul 2018

13. Rotax 912 trigger coil dissected

    By flywise, 15 Mar 2019   

    • ignition
    • trigger coil internals
    • (and 1 more)

      Tagged with:

      • ignition
      • trigger coil internals
      • magnetic pick up coil
    • 9 replies
    • 4,034 views
    • 
    • 1avidflyer
    • 5 Aug 2019

14. Yamaha RX1 gear box adaptor

    By 1avidflyer, 3 Sep 2015
    • 11 replies
    • 3,729 views
    • 
    • EDMO
    • 10 Sep 2015

15. 912 aftermarket ignition

    By 1avidflyer, 5 Jul 2018
    • 14 replies
    • 3,557 views
    • 
    • SuberAvid
    • 29 Aug 2019

16. 912UL - Will it windmill?

    By 109jb, 13 Feb 2020
    • 4 replies
    • 2,946 views
    • 
    • flywise
    • 16 Feb 2020

17. Avid--VW combo.

    By Logtrucker, 24 Jan 2014
    • 16 replies
    • 2,879 views
    • 
    • akflyer
    • 30 Jan 2014

18. heavy hauler with VW

    By Icarus93, 10 Dec 2015
    • 14 replies
    • 2,808 views
    • 
    • EDMO
    • 23 Jan 2016

19. Rotax 912 ULS Tuned Intake

    By lv2plyguitar, 1 May 2018
    • 10 replies
    • 2,785 views
    • 
    • Snipe
    • 5 Feb 2021

20. EA81 EGT readings

    By fusionfab, 25 Nov 2016
    • 24 replies
    • 2,509 views
    • 
    • EDMO
    • 8 Dec 2016

21. 912 mixture needle clip position

    By gregpro50, 17 Nov 2015
    • 9 replies
    • 2,399 views
    • 
    • dholly
    • 18 Nov 2015

22. Heater

    By wypaul, 10 Aug 2016
    • 16 replies
    • 2,302 views
    • 
    • EDMO
    • 4 Sep 2016

23. Rotron RT600 XE 100 horsepower

    By Cloud Dancer, 23 Feb 2019
    • 5 replies
    • 2,252 views
    • 
    • Ronin
    • 25 Feb 2019

24. 912 hp increase

    By FireFoxIV, 12 Feb 2020
    • 19 replies
    • 2,252 views
    • 
    • Buckchop
    • 14 Feb 2020

25. want to install HKS700E int Kitfox IV

    By zadwit, 23 Nov 2017   

    • engine mount???
    • 8 replies
    • 2,121 views
    • 
    • Yamma-Fox
    • 25 Nov 2017