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HIGH TORQUE
R5R RACER
The perfect synthesis of inovation, high quality and great performance at a mid range street price. 100% Made in Italy. Suitable for both Buggy and Truggy.
MAIN FEATURES
The 3.5cc offroad R5R Racer is one of the most advanced and innovative products on the market. Equipped with the best technology to improve reliability and guarantee the best performance on all terrains. R5R Racer tuned by M.Rossi is a revolutionary product at reasonable price.

Horsepower
LONG STROKE
High Torque
5 PORTS CLASSIC
High Performance
FLAT BILLET PISTON
Higher Idle Stability
HORIZONTAL CARBURETOR
High Reliability
HIGH QUALITY BALL BEARINGS
Mario Rossi
HANDMADE, TUNED AND ASSEMBLED
"REDS Racing R5R is a real beast. It provides high torque, incredible power, and good runtime. This is a race bred engine you can use in your Truggy, and also in Buggy when you need the extra power.”
Cody King

WHAT’S INSIDE
Only High Quality Components
R5R Racer tuned by M.Rossi guarantees the same performance as a Pro engine at reasonable price.
The Racer is equipped with: HCX horizontal carburetor, silicon filled and tuned crankshaft, sleeve with 5 inlet ports and classic exhaust port, new front bearing, rear steel high quality chrome steel bearing. All parts are matched, measured by Mario within certain tolerances, hand built by him personally.
HCX HORIZONTAL CARBURETOR
Higher Idle Stability
The revolutionary carb features a differently positioned top end needle, rather than pointing diagonally upwards, it is now horizontally positioned much lower down. HCX Horizontal carb main features: higher idle stability, more precise tuning, easier access to high speed needle, higher mid/top range power.

5 PORTS CLASSIC
High Torque
R5R sleeve design and timing features high torque and controllable power delivery in order to make the engine extremely drivable, suitable for every type of track and to help reduce fuel consumption.

FLAT BILLET PISTON
High Performance
Our flat piston matched to a specific combustion chamber guarantees high performance and low consumption. Lightweight, durable and reliable is the standard quality of our connecting rod. The slim shape is designed to minimize aerodynamic friction.

LONG STROKE
Horsepower
R5R crankshaft is surprisingly strong and reliable thanks to our special steel and heat treatment.
Our special silicone filling reduces the inertia to rotation.

HIGH QUALITY BEARINGS
High Reliability
The new high sealing Made in Japan front ball bearing ensures high idle stability. The Swiss made chrome-steel rear bearing ensures longer life and extreme performances.

HANDMADE, TUNED AND ASSEMBLED
Mario Rossi
All parts are matched, measured by Mario Rossi within certain tolerances, hand built by him personally. The engine leaves our factory with a hand inspection of all components and compression is checked.

TECH SPEC

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