trialsrfun Posted March 27, 2014 Report Share Posted March 27, 2014 Can anyone please tell me the correct amount of oil per leg needed for the OSSA TR77 which has the long leg Betor forks. Presumably these are similar forks to those fitted to the OSSA MAR mk3? Likewise the gearbox/clutch, amount & type. Quote Link to comment Share on other sites More sharing options...
woody Posted March 27, 2014 Report Share Posted March 27, 2014 Forks try 180cc of 10W Gearbox takes 1 litre. Any modern gear oil such as Silkolene light. If you use heavier gearbox oil the clutch may not operate so well. I use Silkolene with Barnett plates, no issues. 1 Quote Link to comment Share on other sites More sharing options...
trialsrfun Posted March 28, 2014 Author Report Share Posted March 28, 2014 Thank you Woody Quote Link to comment Share on other sites More sharing options...
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