Mallory Park 189km.\h 15 x 36

Anglesey 178km./h  15 x 38

Donington Park 194km.\h 15 x 35

Brands Hatch (Indy) 189km.\h 15 x 36

Brands Hatch (G.P.) 193km\h  17 x 40

Cadwell Park 194km.\h 15 x 35

Croft 188km.\h 17x41

Darley Moor 186km\h  16 x 39

East Fortune  184km\h 15 x 37

Knockhill 184km.\h 15 x 37

Pembrey 179km.\h 15 x 38

Castle Combe 196km.\h 16 x 37

Snetterton 202km.\h 16 x 36

Oulton Park 189km.\h 15 x 36

Thruxton 203km.\h 17 x 38

For pre 1993 models run one tooth more on the gearbox sprocket.