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O.S.ENGINE

O.S. SPEED B21 Adam Drake 2 Off-Road*

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Article nr: OS1CH00
Product description

O.S.SPEED B21 Adam Drake Edition 2 - Off-Road Racing Engine

O.S.SPEED B21 ADAM DRAKE EDITION 2 is an evolution of the previous Adam Drake model that was born with the advice of world-class pro-racer Adam Drake from USA.

Features:
  • The Bore/Stroke ratio of the Drake-spec engines is 16.4x16.55mm and are unique to this engine (and it’s processor).
  • Newly designed crankshaft for further improved driving feeling (different tungsten balancing).
  • New updated combustion chamber that use an additional O-ring which reduce vibration and seals out most of the dirt that can accumulate around the sleevsd upper/outer edge.
  • The new carburetor also has its locking screw turned around 90 degrees so its much easier to reach/tighten.
  • Two carburetor venturi inserts are included: 6.5 & 7.0 mm
  • Also available as a combo set including an exhaust system

Specifications:

  • Stroke volume: 3.49 cc
  • Bore: 16.4 mm
  • Stroke: 16.55 mm
  • Output: 2.61 hp @ 34.000RPM
  • Practical RPM Range: 4.000 - 42.000
  • Weight: 353 g



Features
: 2023-06-16
Country of origin: JP
Parts
  • Engines (37)
  • Exhaust Systems (8)
  • Starting Equipment (5)
  • Hardware (3)
Popular Accessories
Files/Downloads
File name Language Published
OS_SPEED_B21_AD2_Manual EN 2020-02-20
GPSR

Manufacturer

Registred contact information for the products manufacturer.

Name OS Engines MFG.Co.Ltd
Address 6-15, 3-Chome Imagawa
Higashisumiyoshi-ku
546-0003 Osaka
Country Japan
Phone 0081-6-6704-2722
Email e-info@os-engines.co.jp
Homepage www.os-engines.co.jp

Importer

Registered contact information for the responsible company within the EU.

Name Minicars Hobby Distribution AB
Address Annelundsgatan 17
74940 Enköping
Country Sverige
Phone 0046-0171143000
Email info@minicars.se
Homepage https://www.minicars.se
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