Engine Numbers, 1200-1600cc
Engine Size Engine Code Single or Twin Port Year Power (BHP)
1200 D Single Port 8/65> 34
1300 F Single Port 8/65-7/70 40
1300 AB Twin Port 8/70-7/73 40
1300 AR Twin Port 8/73-7/75 44
1500 H Single Port 8/65-7/70 47
1600 AD Twin Port 8/70/7/73 50
1600 AE Twin Port 8/70-7/71 47
1600 AF Twin Port 8/70-1/80 46
1600 AH Twin Port 8/71-1/76 47
1600 AJ Twin Port 8/74-12/80 50
1600 AK Twin Port 8/72-7/80 47
1600 AS Twin Port 8/73-7/80 50