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O.S.ENGINE

O.S. SPEED B21 Adam Drake 3 Off-Road /T2090SC Combo

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Article nr: OS1CJ01
Stock availability:
13 pcs
Delivery: 1-2 working days
Next delivery: 2025-10-10
Retail price: 5725 kr
Product description

O.S. SPEED B21 ADAM DRAKE EDITION 3 Racing Off-Road Buggy Engine Combo with T2090SC Exhaust System

O.S. SPEED B21 Adam Drake Edition 3 is developed in collaboration with O.S. international team driver ADAM DRAKE, who is famous for his deep knowledge and sound technical advice.



By adopting a boost bypass processing for the crankcase, the engine runs more smoothly, and making it even easier to drive. ADAM DRAKE's image color, blue anodized aluminum is applied to the cutting part of the new outer head, and two-color anodized aluminum with new design is used to reduce weight and lower the center of gravity and improve driving performance. You can make a choice of two different carburetor restrictor, 6.5II for buggy and 7.5 mainly for truggy.

Features:
  • Newly designed cooling head; 3mm lower height for low gravity and 14g lighter. Black/blue double anodized head
  • Back plate with steel lining like B2104 for friction resistance
  • New crankcase inner design for linear power transition from low–middle–high speed
  • Combo set is 75mm manifold with TB02 (T-2090) silencer for snappy low-middle range power
  • Glow plug is OS SPEED P3 GOLD


By adopting a boost bypass processing for the crankcase, the engine runs more smoothly.


ADAM DRAKE's image color, blue anodized aluminum is applied to the cutting part of the new outer head, and two-color anodized aluminum with new design is used to reduce weight and lower the center of gravity and improve driving performance.


In addition, by adopting a cover plate with a built in thrust plate, wear due to interference between the connecting rod and the cover plate during rotation is reduced and engine life is improved.


The inner head uses an O-ring to reduce vibration and improve dust resistance.


Blue anodized restrictors, 6.5mm for buggy and 7.5mm for truggy comes standard.

Specs:
  • Displacement: 3.49cc
  • Bore: 16.4mm
  • Stroke: 16.55mm
  • Output: 2.65ps / 2.61hp @ 34.000RPM
  • Practical RPM range: 4.000-42.000
  • Engine Weight: 350g

Features
Country of origin: JP
Parts
  • Tools (2)
  • Starting Equipment (2)
  • Engines (39)
  • Exhaust Systems (3)
  • Hardware (2)
Popular Accessories
Files/Downloads
File name Language Published
OS.SPEED_B21_AD3_Manual-Spares EN 2022-11-08
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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