OSSA

840 topics in this forum

1. Tuning software at Kingman World Tril

   By lotus54, July 14, 2017
   • 2 replies
   • 1.5k views
   • 
   • lotus54
   • July 17, 2017
2. 
   

3. Two Tr77 Questions Please

   By trialsrfun, November 23, 2013
   • 2 replies
   • 1.8k views
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   • trialsrfun
   • November 26, 2013

4. Tyre pressures for road use

   By gogs56, April 13, 2019
   • 2 replies
   • 1.8k views
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   • gogs56
   • April 14, 2019

5. Uk Importer

   By Andy, March 18, 2010
   • 12 replies
   • 7.8k views
   • 
   • cleanorbust
   • March 21, 2010

6. Upper Shock Mount 280

   By ric h, March 8, 2014
   • 5 replies
   • 2k views
   • 
   • ric h
   • March 9, 2014

7. Upside Down Forks?

   By stonezone, June 5, 2012
   • 3 replies
   • 1.8k views
   • 
   • stonezone
   • June 8, 2012

8. Usa/emission Sticker

   By johnmc408, February 25, 2016
   • 2 replies
   • 1.6k views
   • 
   • christianmoller
   • February 26, 2016

9. Useful links for purchases

   By Simonelongus, December 4, 2019
   • 1 reply
   • 2.4k views
   • 
   • Saulus
   • November 24, 2020

10. VID OF NEW OSSA AT TDN

    By thespikeyone, September 25, 2010
    • 1 reply
    • 2.1k views
    • 
    • for artie
    • September 25, 2010

11. Vintage Ossa Gearbox Breathers

    By pmk, November 6, 2016
    • 2 replies
    • 1.6k views
    • 
    • pmk
    • November 9, 2016

12. Vintage Ossa Mar 7Mm Fasteners

    By pmk, November 26, 2016
    • 8 replies
    • 2.7k views
    • 
    • pmk
    • November 29, 2016

13. Wanted: OSSA ECU for Experimentation

    By konrad, December 25, 2018
    • 2 replies
    • 1.9k views
    • 
    • konrad
    • December 26, 2018

14. Weekend Trial

    By lotus54, March 22, 2017
    • 4 replies
    • 1.5k views
    • 
    • lotus54
    • March 22, 2017

15. what "positive features" do you think they will have 1 2 3 4 5

    By borus, October 17, 2010
    • 62 replies
    • 17.7k views
    • 
    • shercoholic
    • January 15, 2011

16. What is truly the correct MAR 250 Spark Plug

    By pmk, August 5, 2017
    • 1 reply
    • 3.2k views
    • 
    • dadof2
    • August 5, 2017

17. What mineral fluid for my ossa clutch pump

    By konaar, June 9, 2017
    • 5 replies
    • 2.9k views
    • 
    • ossatr250i
    • January 21, 2018

18. What Premix And Ratio Do You Run In Your Ossa's?

    By bigmark1972, September 21, 2014
    • 8 replies
    • 6k views
    • 
    • motochef
    • September 26, 2014

19. what problems do you think they will have? 1 2

    By mark1984, September 25, 2010
    • 21 replies
    • 5.9k views
    • 
    • slapshot 3
    • October 17, 2010

20. What Size Headstock Bearings Fit An Ossa Mar

    By old trials fanatic, December 12, 2013
    • 4 replies
    • 2.2k views
    • 
    • trialsrfun
    • December 13, 2013

21. What Was It?

    By 90vanman, June 18, 2012
    • 5 replies
    • 3.1k views
    • 
    • 90vanman
    • June 22, 2012