Air Injection System: Description

R12 and R15 models use Air Injection Reaction system and a special carburetor for emission control. R17 model uses fuel injection only for emission control. A.I.R. system consists of an air pump, filter, pressure regulator valve, air shut off flap, air control valve, anti-backfire valve and manifold air injectors. Carburetors are Weber 32 DIR 37 (manual transmissions) and 32 DIR 38 (automatic transmissions). Both carburetors are equipped with manual choke and an idle shut off solenoid on primary barrel.