O.S.SPEED 21XZ-B
Description:

Speed-tuned for championship-caliber performance!

Countless champions, including Mark Pavidis and Atsushi Hara, have trusted O.S. Speed engines to give them a competitive edge. Now, O.S. is proud to continue that winning tradition with the 21XZ-B Speed! A specially designed black-anodized cylinder head improves cooling and reduces weight, while an upgraded, DLC-coated crankshaft improves fuel flow. It all adds up to yet another exceptional, Speed tuned engine from O.S.

More info below...

FEATURES

The NEW 21xz-b Buggy Engine by O.S. Speed.

Features and Specifications :

  • Unparalleled, speed-tuned power characteristics.
  • Lower fuel consumption – offering 8% longer run times than the former model, 21VZ-B V-Spec Speed.
  • Race-proven 3-port sleeve with special Speed version inner head and porting for smoother acceleration.
  • Tough, DLC-coated crankshaft features a silicone-filled intake passage for improved fuel flow.
  • New 21J2(B) three-needle carburetor includes 6 mm, 6.5 mm and 7 mm restrictors for fine-tuned control.
  • A lowered center of gravity provides steadier vehicle handling.
  • Long stroke allows for superior torque.
  • A black anodized crankcase with ceramic ball bearings helps reduce resistance and increase performance.
  • Turbo head
  • Displacement - 3.49cc
  • Bore - 16.27mm
  • Stroke - 16.8mm
  • Practical R.P.M. - 4000 - 40000 r.p.m.
  • Power Output - 2.6ps / 33000 r.p.m.
  • Weight - 355g

Package Inlcludes :

  • P3 Glow Plug x1
  • Exhaust Seal Ring x 1
  • Carburettor Reducer with O Ring 6/7mm 1pc each
  • Dust Cap Dia. 3/16/18 1pc each
  • Comprehensive Instruction Manual

GALLERY

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