1967-1970Base · L4.1897cc
1967-1970Base · L4.1898cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1969-1971Mark II · L4.1858cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1970-1971Base · L4.1858cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1972-1974Base · L4.1968cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1972Mark II · L6.2253cc
1972Mark II · L4.1968cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1973Mark II · L6.2563cc
1975-1976Base · L4.2189cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1975-1980DLX · L4.2189cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1975-1977SR5 · L4.2189cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1977-1978Custom · L4.2189cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1979-1980LE · L4.2189cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1981-1982DLX · L4.2366cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)
1981-1982LE · L4.2366cc
Notes: Crankshaft Undersize-1.5mm bimetal (aluminum base)