OSSA

840 topics in this forum

1. mar countershaft sprocket

   By deputy dawg, June 11, 2017
   • 0 replies
   • 1.3k views
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   • deputy dawg
   • June 11, 2017
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3. Gripper Crankshaft Shims

   By mudyman, July 8, 2013
   • 0 replies
   • 1.3k views
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   • mudyman
   • July 8, 2013

4. Ossa Tr77 250Cc Bearing Sizes

   By trialsrfun, August 2, 2013
   • 0 replies
   • 1.3k views
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   • trialsrfun
   • August 2, 2013

5. Lost spark

   By OssaClark, November 1, 2024
   • 2 replies
   • 1.3k views
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   • reggie
   • November 2, 2024

6. Ossa tr77 350 over revving

   By bikeskint, August 10, 2025
   • 3 replies
   • 1.3k views
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   • bikeskint
   • August 16, 2025

7. 250 MAR Flywheel puller

   By ossabikes27, October 27, 2023
   • 1 reply
   • 1.3k views
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   • cleanorbust
   • October 27, 2023

8. Ossa Tr280I Suspension

   By muddyfoxdan, May 22, 2016
   • 0 replies
   • 1.3k views
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   • muddyfoxdan
   • May 22, 2016

9. OSSA Gearbox removal (revisited).

   By lotus54, November 20, 2024
   • 0 replies
   • 1.3k views
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   • lotus54
   • November 20, 2024

10. Head gasket change on Ossa TR280i

    By Joda76, February 11
    • 9 replies
    • 1.3k views
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    • Joda76
    • March 15

11. 2013 Ossa 280I - Triple Clamp Torque Settings

    By littswood, October 15, 2013
    • 0 replies
    • 1.3k views
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    • littswood
    • October 15, 2013

12. MAR and Pioneer refurbishment

    By markwemple, June 26, 2023
    • 2 replies
    • 1.3k views
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    • markwemple
    • June 26, 2023

13. Ossa Tr280i 2011 gearbox selector shaft required

    By tOssa, May 7, 2023
    • 5 replies
    • 1.3k views
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    • tOssa
    • May 11, 2023

14. Big Hello And Help Needed

    By manxrc8, October 6, 2012
    • 0 replies
    • 1.3k views
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    • manxrc8
    • October 6, 2012

15. Engine rebuild stand

    By ColinPybus, April 15, 2023
    • 0 replies
    • 1.2k views
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    • ColinPybus
    • April 15, 2023

16. 2012 280Tri Pickup Pulse Coil Specs

    By krash69, August 13, 2016
    • 0 replies
    • 1.2k views
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    • krash69
    • August 13, 2016

17. Ossa tr280i for sale

    By Flash1, November 18, 2025
    • 3 replies
    • 1.2k views
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    • Jerr
    • November 19, 2025

18. Explorer - Replacement Gas Cap Gasket?

    By johnmc408, July 25, 2016
    • 1 reply
    • 1.2k views
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    • africanjon
    • July 25, 2016

19. Explorer wiring...

    By tinwelp, June 29, 2025
    • 6 replies
    • 1.2k views
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    • tinwelp
    • June 30, 2025

20. Ossa Mar Wheel Bearing Removal

    By basketcase, May 30, 2014
    • 0 replies
    • 1.2k views
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    • basketcase
    • May 30, 2014

21. OSSA Mar carburetor fuel hose fitting

    By ossabikes27, November 8, 2023
    • 1 reply
    • 1.2k views
    • 
    • bullylover
    • November 9, 2023