Mazda RX-2 Engines by Year

The RX-2 brought Mazda's 12A rotary to US buyers.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

RX-2 (Capella Rotary S122A/CB12S) (1971–1974): 1971 · 1972 · 1973 · 1974

RX-2 (Capella Rotary S122A/CB12S) (1971–1974)

1971 RX-2 engines

Engine	Rated	Offered in
70 two-rotor rotary 12A	—	RX-2 coupe, RX-2 sedan

1972 RX-2 engines

Engine	Rated	Offered in
70 two-rotor rotary 12A	—	RX-2 coupe, RX-2 sedan

1973 RX-2 engines

Engine	Rated	Offered in
70 two-rotor rotary 12A	—	RX-2 coupe, RX-2 sedan

1974 RX-2 engines

Engine	Rated	Offered in
70 two-rotor rotary 12A	—	RX-2 coupe, RX-2 sedan

Working on one of these engines?

• Engine displacement from bore and stroke
• Static and dynamic compression ratio
• Which camshaft for your build
• What size carburetor
• Horsepower to torque at any RPM
• Torque converter stall speed

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