Replacement Engine Number Table
Brand Model Production years Build qty Engine cc Engine Prefix number A / A+ Leaded / Unleaded Spec CR (X:1) FD Box Transverse / inline Bore (mm) Stroke (mm) Power (bhp) @revs Torque (lb/ft) @revs
Replacement Engines
Gold seal       848cc BHM1307E A   Gold Seal unit, 85H prefix replacement         62.9 68.26        
Gold seal       848cc GSE1101E A   Gold Seal unit         62.9 68.26        
Silver seal       848cc RKM1101E A   Silver Seal unit         62.9 68.26        
Gold seal       970cc 8G38 A   Gold Seal unit, pre closed circuit breathing, Cooper S         70.61 61.91        
Gold seal       970cc 8G41 A   Gold Seal unit with closed circuit breathing sideplates, Cooper S         70.61 61.91        
Gold seal       970cc 8G46 A   Gold Seal unit with oil light switch in filter housing, Cooper S         70.61 61.91        
Silver seal       998cc RKM1102E A   Silver Seal unit, pre-A+ up to 1981         64.58 76.2        
Silver seal       998cc RKM1103E A L Silver Seal unit         64.58 76.2        
Silver seal       998cc RKM1119E A   Silver Seal unit, replaced by RKM1102E, up to 1981         64.58 76.2        
Gold seal       998cc GSE1102E A   Gold Seal unit, was RKM1119E Silver Seal unit, up to 1981         64.58 76.2        
Gold seal       998cc GSE1103E A L Gold Seal unit, was RKM1120E Silver Seal         64.58 76.2        
Gold seal       1071cc 8G133 A   Gold Seal unit, pre closed circuit breathing, Cooper S         70.61 68.26        
Gold seal       1071cc 8G153 A   Gold Seal unit with closed circuit breathing side plates, Cooper S         70.61 68.26        
Gold seal       1098cc BHM1042 A   New and Gold Seal units for Clubman and Special, 1974-1980         64.58 83.72        
Gold seal       1098cc BHM1229 A+   New and Gold Seal units for Clubman and Special, A+ Block, 1980 on         64.58 83.72        
Silver seal       1098cc RKM1150E A   Silver Seal unit for Clubman and Special         64.58 83.72        
Silver seal       1098cc RKM1151E A   Silver Seal unit for Clubman and Special         64.58 83.72        
Gold seal       1275cc 38G527 A   New and Gold Seal units for engine numbers prefixed 12H706, 12H707 & 12H831 for Clubman 1275GT         70.61 81.28        
Gold seal       1275cc 38G559E     Gold Seal unit with Simplex cam drive gears for engine numbers prefixed 12H719 and 12H832, for 1300GT (ADO16) and Innocenti 1300, 11-stud cylinder head         70.61 81.28        
Gold seal       1275cc BHM1209E     Gold Seal unit, replaced all Innocenti 1300 engines from engine numbers prefixed 12H610, 12H635 and 12H832         70.61 81.28        
        1275cc BHM1220 A+   A+ unit for Clubman 1275GT         70.61 81.28        
Gold seal       1275cc GSE1109E     Gold Seal unit for 1300GT (ADO16) and Innocenti 1300, 11-stud cylinder head         70.61 81.28        
Silver seal       1275cc RKM1112E A   Silver Seal unit for Clubman 1275GT, pre-A+         70.61 81.28        
Silver seal       1275cc RKM1130E A   Silver seal unit, was RKM1112E, for Clubman 1275GT, pre-A+         70.61 81.28        
Silver seal       1275cc RKM1133E     Silver Seal unit for 1300GT (ADO16) and Innocenti 1300, 11-stud cylinder head         70.61 81.28        
Silver seal       1275cc RKM1152E A   Silver Seal unit for Clubman 1275GT, pre-A+         70.61 81.28        
Gold seal       1275cc 8G199E     Gold Seal unit with Duplex cam drive gears for 1300GT (ADO16) and Innocenti 1300, 11-stud cylinder head         70.61 81.28        
Gold seal       1275cc 8G200 A   New and Gold Seal units Clubman 1275GT         70.61 81.28