*This picture is a proto-type
<Features>
- Carnkcase: Redesigned, O.S. SPEED logo is sculptured
- Cylinder liner: 3 port
- Outer head: low profile head
- Inner head: O-ring
- Carbureter: 22D type
- Ball link: New ball link for easier positioning
<Specification>
- Displacement: 3.49cc / 0.213 cu.in.
- Bore: 16.27mm/0.641in.
- Stroke: 16.80mm/0.661in.
- Output: 2.68ps/2.64hp/34,000r.p.m
- Practical: 4,000-42,000 r.p.m.
- Weight: 347g / 12.24oz (TYPE-S)