Displacement： 2.1cc/0.128cu.in.
Bore: 13.67mm/0.538in.
Stroke: 14.30mm/0.563in.
Output 1.75ps/1.73hp/35,000r.p.m.
Practical rpm range: 5,000〜45,000r.p.m.
Weight:233g/8.22oz.
Standard accessories：Glow plug RP6

Ball bearing : rear ceramic