Beskrivning
At Reds Racing, we take pride in pushing the limits of innovation and developing cutting-edge technology. 🏁 That’s why we’re thrilled to introduce our latest evolution: the 921 Speciale™ competition engine for the off-road category!
As always, Reds Racing stays at the forefront of technology, and this time we’ve taken things a step further. The 921 Speciale™ is a limited-edition engine featuring:
- A completely redesigned 9-port cylinder ⚙️ to guarantee extremely linear torque
- Excellent fuel efficiency ⛽, further optimized compared to our 7-port design
- Even more torque with impressive power output 💪
- At the same time, it’s extremely drivable and easy to manage on the track 🎯
This engine represents the next level of performance, combining power, efficiency, and drivability in a unique special edition package.
Features
- New 9-port Cylinder: Higher performance, excellent fuel efficiency, great drivability with more torque
- RTX Rotating Backplate: Reduces friction between the connecting rod and backplate, improving stability at idle, boosting engine power, and optimizing fuel efficiency for extended runtime
- High-Protection Bearings: Includes a double-seal front bearing for durability and stability, along with a 9-ball rear ceramic bearing for reliability under extreme conditions
- Balanced DLC Crankshaft
Available Models
- ENBU0041: 921 Speciale™ Limited Edition
- ENBU0041B: 921 Speciale™ Limited Ed. – Pre Break-In Service by Mario Rossi
Technical Specifications
| Feature | Details |
|---|---|
| Category | 1/8 Buggy |
| Displacement [cm³] | 3.5 |
| Bore [mm] | 16.2 |
| Stroke [mm] | 16.9 |
| Inlet Ports | 9 |
| Outlet Ports | 1 |
| Front Bearing | 7x19x6 Double Seal |
| Rear Bearing | 14×25.4×6 9 Balls High-Durability Ceramic |
| Carburetor Diameter [mm] | 7.0 (Options: 6.0, 6.5, 7.5, 8.0) |
| Carburetor Type | VCX3-A Aluminum Short Needle |
| Weight [g] | 345 |
| Fuel Consumption [min] | > 9 |
| Operating Temperature [°C] | 110-130 |
Recommended Accessories
To maximize the performance of your 921 Speciale™ engine, we recommend pairing it with:
- Glow Plug: REDS TS4
- Exhaust System: 2143 X-ONE High Torque Plus Pipe
- Fuel: 16–30% nitro, 8–10% oil
- Break-In Fuel: 12% oil
