OS Speed R2106 Nitro On-Road Engine as TR03 EFRA2196/MR04 Race Combo
Description
OS Speed R2106 Nitro On-Road Engine as TR03 EFRA2196/MR04 Race Combo
The OS Speed R2106 Nitro On-Road engine as the TR03 EFRA2196/MR04 Race Combo is the latest innovation in the field of 1:8 on-road RC engines and was developed for the highest demands. With uncompromising precision, excellent workmanship quality and enormous power output, this engine is the ideal upgrade for drivers who want to get the maximum out of their model vehicle. Whether ambitious beginner or experienced competition pilot – the R2106 is a real highlight in 2024 that combines the most modern technology with racing experience. A true collector's model with the potential to become a legend.
Special features
- Maximum power output through a newly developed cylinder head: Optimised combustion-chamber geometry and timing ensure explosive acceleration and impressive top-speed values.
- Efficient cooling system for constant performance: New cooling-fin structure and enlarged cooling channels prevent overheating – even during long races.
- Precision-manufactured components: Every unit undergoes strict quality controls at OS Speed to guarantee maximum reliability and longevity.
- Finely adjustable carburettor and adjustable needles: Enable perfect tuning to various track conditions and driving styles.
- Complete set with tuned exhaust system: Including EFRA2196 TR03 exhaust pipe and MR04 manifold – a Race Combo package that is ready for use immediately.
- Easy maintenance concept: Well-thought-out design enables fast cleaning and problem-free disassembly – ideal for race weekends.
- Technological lead for the 1:8 on-road class: 2.80 hp at 35,500 rpm with 9-port scavenging – that means efficiency, power and an outstanding driving feeling.
Who is this model for?
The OS Speed R2106 is aimed at performance-oriented drivers, racing fans and collectors who are looking for the highest technology and quality in a 1:8 nitro on-road engine. Ideal for presentation in the display cabinet, as an exclusive gift for RC enthusiasts or for use in races at the highest level.
Technical data
- Displacement: 3.49 cc | Power: 2.80 hp @ 35,500 rpm
- Rev range: 4,000 – 45,000 rpm
- Bore/stroke: 16.08 x 17.20 mm
- Scavenging: 9 ports
- Weight: 345 g
- Glow plug: RP7 Turbo
- Recommended fuel: 16% nitromethane
- Including: 8.5 mm red anodised venturi insert, RP7 glow plug, exhaust seal ring, manifold springs, dust caps (3/16/18 mm)
- Exhaust system: EFRA 2196 TR03 with MR04 manifold
The OS Speed R2106 Nitro On-Road engine with the TR03 EFRA2196/MR04 Race Combo is the perfect powerhouse for ambitious RC drivers who want to set new standards in 2024. It convinces with performance, efficiency, ease of use and uncompromising racing technology – a real must-have for your on-road platform!
Experience motorsport technology at world-class level – secure this high-end collector's item now!
Disposal of old batteries
Disposal of old batteries
Battery withdrawal - information according to the battery network
Since batteries and batteries can be included in our programs, we are obliged to point out the following according to the battery law (BATTG): Batteries and batteries must not be disposed of in household waste. They are legally obliged to return used batteries and batteries so that professional disposal can be guaranteed. Old batteries can contain pollutants that can damage the environment or health if not properly stored or disposal. Batteries also contain important raw materials such as iron, zinc, manganese or nickel and can be used.
Old batteries and batteries can be handed over at the public collection points of the municipality free of charge and wherever batteries and batteries are sold in the relevant type.
Pollutant batteries or batteries are marked with the following symbols in order to refer to the household waste disposal ban. The chemical symbol for the heavy metal is given under the sign:

The sign with the rubbed garbage can means that you are not allowed to dispose of batteries and batteries in household waste. Under this character you will find additional symbols with the following meaning:
- PB: Battery contains lead
- CD: Battery contains cadmium
- Hg: Battery contains mercury
Rückgabe & Garantie
Rückgabe & Garantie
✅ 14 Tage Widerrufsrecht ohne Angabe von Gründen
📦 Rückversand:
• Rückversandkosten trägt der Kunde
• Originalverpackung wird empfohlen
🔍 Zustand:
• Artikel muss unbenutzt und unbeschädigt sein
• Alle Originalteile und Verpackungen müssen enthalten sein
💰 Rückerstattung:
• Kaufpreis wird nach Prüfung vollständig erstattet
• Bearbeitung innerhalb von 7 Werktagen
📋 Bei Defekten:
• Kostenloser Umtausch oder Reparatur
• Rückversand auf unsere Kosten
Product information
Product information
The Product Safety Ordinance (GPSR) ensures that only safe products are launched on the market that neither endanger health nor the security of consumers. With compliance with the GPSR, we actively contribute to product safety and consumer protection as a company headquarters in Germany.
Listed below you will find all relevant information:
1. Manufacturer name: O.S. Engines Co., LTD
6-15, 3-chome Imagawa Higashisumiyoshi-Ku
Osaka 546-0003, Japan
E-mail: e-info@os-engines.co.jp
2. Sales partner: Minicar's hobby distribution
Annelundsgatan 17c
749 40 Enköping, Sweden
E-mail: Info@minicars.se
The combustion engines and corresponding accessories from O.S. Engines Co., LTD for remote -controlled cars are no toy! Recommended from the age of 14. Use only under the immediate supervision of adults. Please note the information on the disposal of old batteries: https://www.rmv-deutschland.de/hinweis-nach-batteriengesetz
After delivery, our items are professionally positioned in our warehouse and provided with a permanent storage space. During the entire storage period, we ensure that all conditions are observed to preserve product quality and security. When transported, we also attach great importance to safety: all goods are carefully packed to protect them from damage and hand over to our customers ready for dispatch. In addition, warnings, symbols or other safety -relevant information are published directly in the product image. If this is not possible, we provide this information under the additional point "Download" as supplementary PDF documents.
As long as the products are in our responsibility, we make sure that neither the storage nor the transport conditions affect conformity with the general security requirement. It is our aim to ensure that our products do not develop new risks for consumers by handling and storing.