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Steve/AllGearbox sprocket is 19t but i have a Norvil belt primary which Norman worked out to raise the gearing to a correct level, At 4000 its doing 72/74 mph and at 5000 90mph, i have not really thrashed it in third so maybe that s the way to go.....Norman did say that the 850 is slower than the 750 though, My suspicion is with the bored out inlets not creating enough velocity of fuel/air entering the head .....when weather and work allow i will see what it makes in third......Colinwhen the weather improves and work permits
Steve/All
Gearbox sprocket is 19t but i have a Norvil belt primary which Norman worked out to raise the gearing to a correct level, At 4000 its doing 72/74 mph and at 5000 90mph, i have not really thrashed it in third so maybe that s the way to go.....Norman did say that the 850 is slower than the 750 though, My suspicion is with the bored out inlets not creating enough velocity of fuel/air entering the head .....when weather and work allow i will see what it makes in third......Colin
when the weather improves and work permits
