unbalanced Posted April 11, 2009 Report Share Posted April 11, 2009 Does anyone know what is the size of a standard rear sprocket on a 2007 Beta 270?? Also how can you tell the difference between a quick action and slow action Donino throttle, I am sure one has a white body and one is balck but which way round is it. Thanks mon amigos Quote Link to comment Share on other sites More sharing options...
clarkey Posted April 11, 2009 Report Share Posted April 11, 2009 Hi there, I think beta standard rear is 41, same as 4rt. I use 43 on my 4rt to calm it down. The black domino throttle is the slow and white the fast. The throttles make a big difference to how the bike performs. Clarkey Quote Link to comment Share on other sites More sharing options...
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