O.S. Speed T1202 2.1cc touring car engine

Specifications:
– Displacement: 2.1cc
– Bore: 13.67mm
– Stroke: 4.3mm
– Practical rpm: 5,000-45,000
– Output: 1.75ps/1.73hp @ 35,000rpm
– Weight: 215g
– Includes: T-RP6 plug, exhaust seal ring, dust cap