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O.S.ENGINE

O.S.SPEED R21GT II Combo Set

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Article nr: OS1DT01
Stock availability:
2 pcs
Delivery: 1-2 working days
Next delivery:
Retail price: 5578 kr
Product description

O.S.SPEED R21GT-II 1/8 GT Racing Engine Combo with Exhaust System

A high-performance GT engine directly descended from O.S.SPEED - Evolved to the next generation!!

While inheriting the smooth feeling and good fuel efficiency of the previous model O.S.SPEED R21GT, which was well received in the European market, the home of GT cars, the power feeling in the medium and low speed ranges has been improved by reviewing the counterbalance of the crankshaft. Improved. In addition, the newly designed inner head improves idling performance, and an O-ring is used to reduce vibration and improve dust resistance. The outer head has been made lighter, and has evolved into the O.S.SPEED R21GTII with attention to detail.

This is the combo set with TB01 (EFRA2042) tuned silencer and MB01-70 manifold exhaust system.


The crankshaft uses two tungsten counterweights. We have optimized the mass balance by reviewing the detailed dimensions.


The inner head is newly designed. Improved low and medium speed feeling and idling performance. An O-ring is also used to reduce vibration and improve dust resistance.


The outer head is also newly designed. Succeeded in weight reduction compared to conventional products. The outer circumference is processed to create a lacy atmosphere.


Equipped with 5 scavenging ports and 3 exhaust ports to meet IFMAR regulations.


Equipped with a double-adjust type 22E(B) GT carb. The reducer is a newly designed 7.0MM (RED) AL2.


Adopted with TB01 EFRA2042 (T-2060SC) muffler + MB01-70 (M2003SC) manifold.

Specs:
  • Stroke Volume: 3.49cc
  • Bore: 16.08mm
  • Stroke: 17.20mm
  • Output: 2.65 ps / 2.61 hp @ 34.000RPM
  • Practical RPM: 4.000-42.000
  • Weight: 362g

Standard accessories:

  • Glow plug: RP6
  • Reducer venturi: 7.0mm (RED) AL2
  • Exhaust seal ring
  • Dust cap set: φ3, φ16 & φ18mm
Features
Country of origin: JP
Parts
  • Tools (2)
  • Starting Equipment (2)
  • Engines (37)
  • Exhaust Systems (8)
  • Hardware (3)
Popular Accessories
Files/Downloads
File name Language Published
OS.SPEED_R21GT2_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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