O.S. SPEED T1204

O.S. SPEED T1204 is the successor to T1203 which was the World Champion engine in 2018.

T1204 has even more toque in low to middle range with better performance. Two tungsten weights are embedded in the counterweight of newly designed crankshaft, which helps powerful performance in middle range, too. The cooling head with wider fin pitch also improves cooling efficiency.

Features
• The new crankshaft contributes better performance in middle range.
• The inner head o-ring prevents dust from coming into the combustion chamber.
• The cooling head with wider fin pitch improves cooling efficiency.

Specifications
Weight	233g/8.22oz.
Displacement	2.1cc/0.128cu.in.
Bore	13.67mm/0.538in.
Stroke	13.67mm/0.538in.
Power Output	1.75ps/1.73hp/35,000r.p.m.
Practical RPM	5,000-45,000r.p.m