Number of piston rings (compression / oil): General information Engine Specificationsġ69 Nm (17.2 kg The breakdown of the engine code is as follows: In addition, the engine had a shorter on 3 mm (0.11 in) valves, new valve spring, light aluminium pistons, new lighter crankshaft and short-length intake manifold. The intake valves lift were 10.0 mm (0.39 in) and exhaust valves lift were 9.2 mm (0.36 in). The SR20DE was equipped with roller rockers, new camshafts with 232° and 240° of duration on intake and exhaust valves, respectively. Roller Rocker, RR – a number of modifications have been made in 2000.

New camshaft had 232° of duration and 8.6 mm (0.34 in) of valves lift. The exhaust system had 38 mm (1.50 in) in diameter. This version had new cylinder head with revised inlet ports, new camshafts with 240° of duration and 9.2 mm (0.36 in) of valves lift.

Black top or Low port – the early version of this engine was available only in 1994.

The exhaust system had 45 mm (1.77 in) in diameter. It had a camshafts with duration of 248° on intake valves and 204° on exhaust valves, valves lift were 10.0 mm (0.39 in) and 9.2 mm (0.36 in), respectively. This engine was producted since 1989 to 1994.

Red top or High port – the first version of this engine had a red valves cover.

Strato lift sr20 manual