OSSA

833 topics in this forum

1. 280 Explorer linkage parts differences

   By Viper808, October 26, 2019
   • 2 replies
   • 1.4k views
   • 
   • lotus54
   • November 5, 2019
2. 
   

3. Tuning software at Kingman World Tril

   By lotus54, July 14, 2017
   • 2 replies
   • 1.4k views
   • 
   • lotus54
   • July 17, 2017

4. Ossa 250 MAR Chain tensioner

   By ColinPybus, September 28, 2023
   • 3 replies
   • 1.4k views
   • 
   • djr
   • October 1, 2023

5. Ossa tr280i k-scan

   By Flash1, May 21
   • 2 replies
   • 1.4k views
   • 
   • nick morgan
   • May 27

6. Tr77 Clutch Thrust Washer And Spacer Sizes

   By t20racerman, September 27, 2016
   • 2 replies
   • 1.4k views
   • 
   • t20racerman
   • September 28, 2016

7. Weekend Trial

   By lotus54, March 22, 2017
   • 4 replies
   • 1.4k views
   • 
   • lotus54
   • March 22, 2017

8. PDM

   By BiggySmalls10, August 7, 2022
   • 1 reply
   • 1.4k views
   • 
   • reggie
   • August 8, 2022

9. Tr77 / Mar Cracked Cases. Is This A Common Fault?

   By t20racerman, March 13, 2016
   • 1 reply
   • 1.4k views
   • 
   • lineaway
   • March 13, 2016

10. TR280i - Oil Drain Plug???

    By OSSAOOPs, March 21, 2022
    • 3 replies
    • 1.4k views
    • 
    • OSSAOOPs
    • March 22, 2022

11. OSSA Pluma/Plonker IRZ jet sizes

    By jimg, May 14, 2020
    • 0 replies
    • 1.4k views
    • 
    • jimg
    • May 14, 2020

12. Ossa 250 MAR clutch pushrods

    By ColinPybus, April 22, 2023
    • 6 replies
    • 1.3k views
    • 
    • ColinPybus
    • April 27, 2023

13. Nibbi carburettors

    By old trials fanatic, August 16, 2021
    • 1 reply
    • 1.3k views
    • 
    • sectionone
    • August 16, 2021

14. ossa mar original center case gasket thickness?

    By montesa 348 kick trouble, April 25, 2021
    • 2 replies
    • 1.3k views
    • 
    • rms
    • May 2, 2021

15. Air box removal

    By larro, November 20, 2024
    • 6 replies
    • 1.3k views
    • 
    • larro
    • November 22, 2024

16. Ossa mar 250 wont rev

    By Adareacs, October 18, 2021
    • 4 replies
    • 1.3k views
    • 
    • Adareacs
    • October 26, 2021

17. Ossa Mar Rear Wheel

    By deputy dawg, June 11, 2016
    • 2 replies
    • 1.3k views
    • 
    • deputy dawg
    • June 11, 2016

18. Ossa tr300i fan relay issue

    By christianmoller, April 15, 2017
    • 1 reply
    • 1.3k views
    • 
    • lotus54
    • April 15, 2017

19. TR80 brake rod

    By chaindrive, September 20, 2011
    • 0 replies
    • 1.3k views
    • 
    • chaindrive
    • September 20, 2011

20. Ossa MAR 76

    By Brian Snell, July 14, 2023
    • 1 reply
    • 1.3k views
    • 
    • Ftwelder
    • July 17, 2023

21. Mar Footrests & Brake Pedal ?

    By trialsrfun, July 27, 2013
    • 1 reply
    • 1.3k views
    • 
    • lineaway
    • July 27, 2013