COMBO OS SPEED 21XZ-B Specc III + Escape OS 2060

model    O.S. SPEED 21XZ-B spec. III
muffler of the combo set    YES
manifold of the combo set    YES
    
Usage    1/8 buggy, truggy

Specifications    

displacement    3.49 cc/  0.213cu. in.
bore    16.27 mm / 0.641 in.
stroke    16.80 mm / 0.661 in.
practical RPM range    4,000 - 42,000 rpm
max. power output    2.65 ps / 2.61 hp / 34,000 rpm
scavenging port    3-port
exhaust port    3-port