O.S. SPEED 21 XZ-GT Combo Set OS-1AS01

  • Sale
  • $649.00
  • Regular price $699.00
Tax included.

Adopted Cleaning 5 ports + Exhaust 3 ports as per ROAR regulation
Double adjustment type carburetor equipped withφ7 reducer as per ROAR regulation
Newly designed, light-weight outer head of lower central gravity
Iluminated outer head with a more professional racing engine look.


isplacement 3.49 cc
Bore 12.67 mm
Stroke 16.8 mm
Practical 4,000-42,000 r.p.m.
Output 2.65 ps/2.61 hp @ 34,000 rpm

353 g


M2003SC manifold
T-2060SC tuned silencer
P3 Turbo plug