| 
                         date 
                     | 
                    
                         circuit 
                     | 
                    
                         ed. 
                     | 
                    
                         Production 
                        250 
                     | 
                    
                         Production 
                        500 
                     | 
                    
                         Production 
                        750 
                     | 
                
                
                    | 
                         1967 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         49. 
                     | 
                    
                         Bill 
                        Smith GB 
                        - Bultaco 
                     | 
                    
                         Neil 
                        Kelly GB 
                        - Velocette 
                     | 
                    
                         
                        John Hartle GB 
                        - Triumph 
                     | 
                
                
                    | 
                         1968 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         50. 
                     | 
                    
                         Trevor 
                        Burgess GB 
                        - Ossa 
                     | 
                    
                         Ray 
                        Knight GB 
                        - Triumph 
                     | 
                    
                         Ray 
                        Pickrell GB 
                        - Dunstall 
                     | 
                
                
                    | 
                         1969 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         51. 
                     | 
                    
                         Alastair 
                        Rogers GB 
                        - Ducati 
                     | 
                    
                         Graham 
                        Penny GB 
                        - Honda 
                     | 
                    
                         Malcolm 
                        Uphill GB 
                        - Triumph 
                     | 
                
                
                    | 
                         1970 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         52. 
                     | 
                    
                         Chas 
                        Mortimer GB 
                        - Ducati 
                     | 
                    
                         Frank 
                        Whiteway GB 
                        - Suzuki 
                     | 
                    
                         Malcolm 
                        Uphill GB 
                        - Triumph 
                     | 
                
                
                    | 
                         1971 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         53. 
                     | 
                    
                         Bill 
                        Smith GB 
                        - Honda 
                     | 
                    
                         John 
                        Williams GB 
                        - Honda 
                     | 
                    
                         Ray 
                        Pickrell GB 
                        - Triumph 
                     | 
                
                
                    | 
                         1972 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         54. 
                     | 
                    
                         John 
                        Williams GB 
                        - Honda 
                     | 
                    
                         Stan 
                        Woods GB 
                        - Suzuki 
                     | 
                    
                         Ray 
                        Pickrell GB 
                        - Triumph 
                     | 
                
                
                    | 
                         1973 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         55. 
                     | 
                    
                         Charlie 
                        Williams GB 
                        - Yamaha 
                     | 
                    
                         Bill 
                        Smith GB 
                        - Honda 
                     | 
                    
                         Tony 
                        Jefferies GB 
                        - Triumph 
                     | 
                
                
                    | 
                         1974 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         56. 
                     | 
                    
                         Martin 
                        Sharpe GB 
                        - Yamaha 
                     | 
                    
                         Keith 
                        Martin  GB 
                        - Kawasaki 
                     | 
                    
                         Mick 
                        Grant GB 
                        - Triumph 
                     | 
                
                
                    | 
                         date 
                     | 
                    
                         circuit 
                     | 
                    
                         ed. 
                     | 
                    
                         Production 
                        250 
                     | 
                    
                         Production 
                        500 
                     | 
                    
                         Production 
                        1000 
                     | 
                
                
                    | 
                         1975 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         57. 
                     | 
                    
                         Chas 
                        Mortimer Bille Guthrie GB/N.Irl. 
                        - Yamaha (2èmes) 
                     | 
                    
                         Charlie 
                        Williams Eddie Roberts GB 
                        - Honda (8èmes) 
                     | 
                    
                         Dave 
                        Croxford Alex George GB 
                        - Triumph (1ers) 
                     | 
                
                
                    | 
                         1976 
                     | 
                    
                         Mountain 
                        C. 
                     | 
                    
                         58. 
                     | 
                    
                         Bill 
                        Simpson Chas Mortimer GB 
                        - Yamaha (1ers) 
                     | 
                    
                         Frank 
                        Rutter Mick Poxon GB 
                        - Honda (3èmes) 
                     | 
                    
                         Helmut 
                        Dähne Hans-Otto Butenuth D 
                        - BMW (5èmes) 
                     |