OSSA

840 topics in this forum

1. Tr77 Clutch Thrust Washer And Spacer Sizes

   By t20racerman, September 27, 2016
   • 2 replies
   • 1.5k views
   • 
   • t20racerman
   • September 28, 2016
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3. Vintage Ossa Gearbox Breathers

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

4. Mar Throttle Cables

   By pmk, November 11, 2016
   • 2 replies
   • 1.7k views
   • 
   • pmk
   • November 15, 2016

5. Premix Ratio Goof Up

   By ric h, November 29, 2016
   • 2 replies
   • 2.2k views
   • 
   • johnmc408
   • December 7, 2016

6. OSSA MAR steering bearing felt seal and cover

   By gogs56, August 23, 2018
   • 2 replies
   • 1.9k views
   • 
   • gogs56
   • August 24, 2018

7. Spring Weight?

   By imexian, December 26, 2016
   • 2 replies
   • 1.8k views
   • 
   • gasthatchgas
   • December 26, 2016

8. 280 Explorer linkage parts differences

   By Viper808, October 26, 2019
   • 2 replies
   • 1.5k views
   • 
   • lotus54
   • November 5, 2019

9. I'm a Newbie too and need help?

   By husky2, February 18, 2017
   • 2 replies
   • 1.4k views
   • 
   • husky2
   • February 18, 2017

10. 250 mar mkii front pipe

    By deputy dawg, March 5, 2017
    • 2 replies
    • 1.3k views
    • 
    • deputy dawg
    • March 9, 2017

11. 11 tooth front sprocket

    By volcano island trial, March 13, 2017
    • 2 replies
    • 1.9k views
    • 
    • volcano island trial
    • March 14, 2017

12. Polished Parts, 73 MAR MK 1

    By pmk, March 17, 2017
    • 2 replies
    • 1.3k views
    • 
    • pmk
    • March 19, 2017

13. OSSA mar engine rebuild questions

    By biffco, March 26, 2017
    • 2 replies
    • 2.3k views
    • 
    • feetupfun
    • March 27, 2017

14. OSSA top end suggestion

    By pmk, May 2, 2017
    • 2 replies
    • 1.7k views
    • 
    • pmk
    • May 2, 2017

15. Ossa tr280i linkage bushes supplier

    By tugg, June 16, 2017
    • 2 replies
    • 1.7k views
    • 
    • gasserguy
    • June 16, 2017

16. Tuning software at Kingman World Tril

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

17. MAR Shimming

    By nickyburnell, August 30, 2017
    • 2 replies
    • 1.7k views
    • 
    • trialsrfun
    • August 31, 2017

18. OSSA TYRE + SPROCKET SIZES

    By mpr84, October 7, 2017
    • 2 replies
    • 2.1k views
    • 
    • mpr84
    • October 8, 2017

19. TR77 Rear Brake/Chain Tensioner

    By Slackdabber, April 23, 2018
    • 2 replies
    • 2k views
    • 
    • Slackdabber
    • April 23, 2018

20. 1972 SDR Stator

    By adam19871, October 26, 2017
    • 2 replies
    • 1.8k views
    • 
    • scot taco
    • October 27, 2017

21. 280i (Explorer)- 400 hours

    By lotus54, December 1, 2017
    • 2 replies
    • 2k views
    • 
    • lotus54
    • December 2, 2017