OSSA

840 topics in this forum

1. Which Model Is Closest To The Mar

   By yellow_cad, August 29, 2012
   • 2 replies
   • 2k views
   • 
   • chuckindenver
   • November 14, 2012
2. 
   

3. 2013 compression

   By larro, December 22, 2024
   • 6 replies
   • 2k views
   • 
   • larro
   • February 22, 2025

4. For The Vintage And Modern Riders

   By borus, August 28, 2010
   • 2 replies
   • 2k views
   • 
   • monty_jon
   • August 28, 2010

5. Chain Tensioner Spring

   By africanjon, June 7, 2016
   • 6 replies
   • 2k views
   • 
   • africanjon
   • June 10, 2016

6. Lever will not disengage clutch

   By yellow_cad, November 6, 2011
   • 2 replies
   • 2k views
   • 
   • zerorev3rev4
   • November 6, 2011

7. Tr280 Frame Material?

   By wayne509, February 19, 2014
   • 5 replies
   • 2k views
   • 
   • wayne509
   • February 20, 2014

8. Tr280 countershaft sprocket

   By bfaucett, July 22, 2018
   • 5 replies
   • 2k views
   • 
   • canada280i
   • July 24, 2018

9. Please Help Find My Tr77 Spark - Its Disappeared!

   By t20racerman, December 28, 2016
   • 6 replies
   • 2k views
   • 
   • dadof2
   • December 29, 2016

10. Engine install (modern OSSA)

    By lotus54, January 5, 2018
    • 3 replies
    • 2k views
    • 
    • lotus54
    • January 5, 2018

11. Question About The Differences Between Years.

    By dabbs, October 8, 2014
    • 1 reply
    • 2k views
    • 
    • onlyembo
    • October 8, 2014

12. Mar engine weight

    By rocker1, May 18, 2019
    • 4 replies
    • 2k views
    • 
    • pmk
    • May 21, 2019

13. Another Ossa Question Help Please

    By shercoben12, November 15, 2014
    • 7 replies
    • 2k views
    • 
    • 2stroke4stroke
    • November 16, 2014

14. Ossa Usa Importer Has Changed

    By dbell, February 7, 2013
    • 1 reply
    • 2k views
    • 
    • borus
    • February 7, 2013

15. Wiring A Kill Switch On An Mar

    By old trials fanatic, January 6, 2016
    • 2 replies
    • 2k views
    • 
    • old trials fanatic
    • January 7, 2016

16. Ossa Tr77 Chain Tensioner ?

    By trialsrfun, January 3, 2014
    • 6 replies
    • 2k views
    • 
    • woody
    • January 5, 2014

17. 280i (Explorer)- 400 hours

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

18. Correct Colour Code For Orange Gripper Needed

    By bertie, August 18, 2010
    • 1 reply
    • 2k views
    • 
    • alainp59
    • February 24, 2012

19. Ossa Mar Cylinder

    By longlegscanbeuseful, March 6, 2015
    • 1 reply
    • 2k views
    • 
    • twinshock giles
    • March 6, 2015

20. Ossa Gripper TR80

    By duke750, July 14, 2020
    • 2 replies
    • 2k views
    • 
    • duke750
    • July 20, 2020

21. Ossa Mapping

    By ericleow62, July 26, 2013
    • 3 replies
    • 2k views
    • 
    • canada280i
    • July 27, 2013