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O.S. Speed 21XZ-B Spec III With T2060

The O.S. Speed 21XZ-B Spec. III With T2060 features a newly designed crankcase and piston and cylinder and its displacement still remains at 3.49 cc (and not as 3.46cc like the Speed B2101). The engine head is 5mm lower than spec.II for lower gravity. Last improvement, the 3-port exhaust makes air flow effective after combustion.
  1. Newly designed cylinder liner (Cleaning 3 ports + Exhaust 3 ports)
  2. Newly designed outer head that helps in improving the drivability of the machine
  3. Use a 21J carburetor
  4. M2000SC + T-2060SC WN Set is included
Displacement : 3.49cc
Bore : 16.27mm
Stroke : 16.8mm
Practical RPM : 4,000 ~ 42,000 rpm
Power output : 2.65ps/34,000rpm (2.61hp/34,000rpm)
Weight : 353g
Price: SGD$627.17