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NOT trials but it is Ossa :)

richardgg
in OSSA

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Some of you may enjoy following the below linked thread on Grassroots Motorsport in the US by a guy doing vintage flat track on a Phantom. About page three he shows the port timings for the MAR and Phantom and also describes removing the cylinder sleeve to get back to a smaller piston.

https://grassrootsmotorsports.com/forum/build-projects-and-project-cars/cat-quick-and-tiger-tough-burrito-goes-wheel-to-wh/144587/page1/

cheers

Richard

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    Friggin' awesome, I LOVE Flattrack!!

    My old boss in Albuquerque used to race an OSSA Flattracker, and still has it along with his green and white OSSA leathers.  Next time I'm up there, I'll see if I can get pics.  :)

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