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O.S.SPEED B21 ONGARO EDITION 1DL00

OS1DL00

O.S.SPEED B21 ONGARO EDITION

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344,00 €

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Davide Ongaro, who won the IFMAR 1/8 Engine Off-Road World Championship, has signed with O.S. SPEED since 2021.
This time, "O.S. SPEED B21 ONGARO EDITION", which has been modified according to his feeling, was born! Based on the latest off-road engine O.S. SPEED B2104, the crankshaft has been changed to a counter web shape and use of single tungsten weight crankshaft specially made for this engine to suit his driving style. The inner head is also specially designed combustion chamber, and the synergistic effect of these realizes a smooth feeling and more powerful top end. In addition, the outer head adopts a standard round type, and the laser marking of ONGARO's original logo mark creates a racing atmosphere.
A new size 5.8mm/6.3mm black anodized restrictor is also used for the carburetor to create an "Engine that can win big races" that matches his requirements.
We also have a combo set that includes the TB02(As known as T-2090) EFRA 2089 tuned silencer and the exhaust system of the /MB01-75 (75mm) manifold.

Features:

  • Based on OSB2104
  • ONG Cooling-head
  • ONG DLC coated crankshaft has two tungsten counter weights for smooth rotation and the best balance
  • ONG Inner head with an silicon O ring for reducing vibration and preventing dust
  • ONG specific black restrictors.
  • Rear-cover with thrust plate reduces friction against the connecting rod to extend its life.
  • Long stroke 16.8mm engine
  • Ceramic Main-Bearing

Specifications: 
Displacement: 3.46cc 
Output: 2.68ps @ 34,000 rpm 
Bore: 16.27mm 
Stroke: 16.80mm 
Practical RPM Range: 4,000 ~ 42,000 rpm 
Weight: 352g 

Includes: 

  • T-P3 plug
  • 5.8mm & 6.3mm Venturi's
  • Exhaust Gasket
  • Dust Cap Set (3mm/16mm/18mm)

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