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explorer

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  1. Ossa Seals

    explorer replied to explorer's topic in General Trials Talk
    thanks for that wayne cheers!

  2. Ossa Seals

    explorer posted a topic in General Trials Talk
    does anybody out there know if the crank seals can be changed with yhe engine left in the frame?the bike is a 73 ossa explorer/mar 250

  3. Ossa Mixture

    explorer posted a topic in General Trials Talk
    what mixture would you run a mar on modern oil? the origanal mixture was 32/1.have been told it should be 40 to 1 but my mate runs a greaves scottish and runs it on 50 to1 and has never had a problem,also my bike seems to like a hotter plug.should be a ngk B8ES according to the book but mine runs great on a BP6ES.any ideas ?

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