Jetting & Exhaust Forum

11,170 topics in this forum

1. 421 Cub questions ~ new build 1 2 3 4 6

   By dante, April 24, 2008
   • 78 replies
   • 5.1k views
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   • show
   • May 24, 2008

2. CPI Pipe question 1 2

   By Minister of Death, June 4, 2009
   • 19 replies
   • 5.1k views
   • 
   • Toomey Banshee
   • June 7, 2009

3. HELP I GOT SMOKED BY LTR 450 1 2 3

   By Good ol boy, December 10, 2010
   • 30 replies
   • 5.1k views
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   • 06specialedition
   • December 14, 2010

4. Undecided on Which pipes to get 1 2 3 4

   By MXSHEE01, February 29, 2016
   • 57 replies
   • 5.1k views
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   • MXSHEE01
   • April 11, 2016

5. Banshee bogs on take off. 1 2

   By Jared23x, January 15, 2020
   • 24 replies
   • 5.1k views
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   • Keithrc1988
   • January 18, 2021

6. Wideband Air/Fuel Ratio on 2 stroke

   By vortechblown306, August 12, 2008
   • 7 replies
   • 5k views
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   • vortechblown306
   • August 22, 2008

7. Mikuni tm28mm flats on a stock Banshee does anyone know the jetting specs? 1 2 3

   By dhopkins99, July 28, 2008
   • 43 replies
   • 5k views
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   • dhopkins99
   • September 24, 2008

8. Need help Jetting Keihin PJ carbs 1 2

   By Bvid74, March 11, 2014
   • 15 replies
   • 5k views
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   • Coupelx
   • March 17, 2014

9. Need help jetting 1 2 3 4 6

   By markjohnson151, May 5, 2015
   • 82 replies
   • 5k views
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   • trickedcarbine
   • July 10, 2015

10. PJ 34 Jetting

    By Fastdadtsmith, September 20, 2006
    • 9 replies
    • 5k views
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    • Fastdadtsmith
    • January 18, 2007

11. Curious about others 421 cub set up 1 2 3

    By Methfireroad, April 27, 2013
    • 41 replies
    • 5k views
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    • locogato11283
    • May 3, 2013

12. How much HP would I gain? 1 2

    By BOSS LX, December 14, 2009
    • 16 replies
    • 5k views
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    • jmd0346
    • January 27, 2010

13. 28mm pwk jetting 4 a ported 4mill 1 2

    By qboronyrican, August 26, 2008
    • 24 replies
    • 5k views
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    • burleybanshee
    • September 8, 2008

14. Carb Sizes Larger Than Stock Don't Work Well. 1 2 3 4 5

    By jayzx10r, September 17, 2007
    • 61 replies
    • 5k views
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    • RZBansheeMan
    • September 23, 2007

15. 421 cheetah powervalve jetting 1 2 3 4 5

    By bansheelapointe, June 4, 2015
    • 61 replies
    • 5k views
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    • camatv
    • July 1, 2015

16. Will snowmobile carbs work on a banshee? 1 2

    By Alex29573, February 23, 2010
    • 26 replies
    • 4.9k views
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    • Blewbyu
    • April 2, 2010

17. Paul Turner High Rev Pipes vs Rocket Pipes 1 2

    By Mod Banshee, April 25, 2005
    • 26 replies
    • 4.9k views
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    • guns4children
    • March 9, 2017

18. BILL's PiPES

    By racer714, August 20, 2005
    • 8 replies
    • 4.9k views
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    • leadsled
    • September 18, 2005

19. Needle Clip Position 1 2

    By KRMit, April 8, 2004
    • 15 replies
    • 4.9k views
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    • Banchetta
    • April 10, 2004

20. elevation change jetting question

    By 01shee350, June 7, 2012
    • 9 replies
    • 4.9k views
    • 
    • Strm Trpr
    • June 8, 2012

21. Jetting Help - FMF pipes, K&N's

    By yfz450, October 1, 2006
    • 7 replies
    • 4.9k views
    • 
    • Banshee Roost
    • October 8, 2006

22. yamaha banshee jetting issues again.. 1 2 3

    By luna2001xx, January 8, 2021
    • 42 replies
    • 4.9k views
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    • Mix-gas-haul-ass
    • January 17, 2021

23. Jetting suggestions with Keihin 35 PWK

    By Fre530d, November 6, 2008
    • 12 replies
    • 4.9k views
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    • FASTOYS
    • December 2, 2008

24. DMC 916 1 2

    By KingSpade, June 5, 2013
    • 29 replies
    • 4.8k views
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    • RagunCajun
    • September 29, 2013

25. Shearer Pipe Mounting question 1 2 3

    By TulsaGasser, June 7, 2014
    • 37 replies
    • 4.8k views
    • 
    • sprinklerman
    • June 14, 2014

26. trinity jetting chart. 1 2

    By 1800bigk, January 17, 2005
    • 17 replies
    • 4.8k views
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    • Banchetta
    • January 23, 2005

27. 2 into 1 jetting

    By sheerider1026, December 1, 2007
    • 14 replies
    • 4.8k views
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    • sheerider1026
    • December 4, 2007

28. 38mm pwk ok for single carb setup? 1 2

    By markyb31, August 24, 2007
    • 22 replies
    • 4.8k views
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    • SLC18T
    • November 5, 2007

29. Anyone have history / experience with racers edge OOFs 1 2 3 4

    By troyzstang, November 3, 2013
    • 48 replies
    • 4.8k views
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    • camatv
    • November 8, 2014

30. problems with air stryker 35's 1 2

    By violentholeshot, January 7, 2008
    • 17 replies
    • 4.8k views
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    • BaNsHeeJuNkEy
    • January 13, 2008

31. Pilot jet adjustment

    By lodown, September 8, 2010
    • 3 replies
    • 4.8k views
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    • CarvedArt
    • September 9, 2010

32. 421 Serval plug Chop. Opinions. 1 2 3 4

    By 2004LEBanshee, August 24, 2012
    • 45 replies
    • 4.8k views
    • 
    • Fastassbanshee96
    • September 5, 2012

33. Left side continues to misfire 1 2 3

    By sredish, June 1, 2005
    • 31 replies
    • 4.8k views
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    • Brocster350
    • June 14, 2005

34. Identify these FMF's 1 2

    By So Cal Suspension, December 18, 2009
    • 20 replies
    • 4.8k views
    • 
    • reggiexp
    • April 9, 2025

35. Br8es or Br9es?

    By banshler, June 22, 2005
    • 9 replies
    • 4.8k views
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    • sredish
    • June 24, 2005

36. Going back to stock exhaust. All that work for nothing... 1 2 3 4

    By Metal_man_Rob, February 14, 2021
    • 52 replies
    • 4.7k views
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    • SKEETER
    • February 19, 2021

37. Jetting changes for temperature

    By JimAC, November 5, 2007
    • 3 replies
    • 4.7k views
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    • BellicoseBanshee
    • November 5, 2007

38. Very very high idle with PWK carbs 33mm

    By bansheenoob, May 17, 2012
    • 9 replies
    • 4.7k views
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    • bansheenoob
    • May 19, 2012

39. toomey t6

    By ban06shee, February 3, 2009
    • 12 replies
    • 4.7k views
    • 
    • '04limited
    • February 6, 2009

40. New setup way off. 1 2 3 4 5

    By brock42, January 14, 2018
    • 73 replies
    • 4.7k views
    • 
    • Larry's Shee
    • February 11, 2018