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Reds Racing 521 Sport Nitro Engine

Reds Racing 521 Sport Nitro Engine

From REDS Racing:
Reds Racing all-new 521 Sport off-road engine is now available. This new engine belongs to Reds S LINE together with 721 Scuderia, Superveloce and Corsa, a new range of engines produced with different materials, from different suppliers and with new technologies. All assembled in-house and 100% made in Italy.

The new engine features high reliability, tuning stability and fuel mileage. Combined with specific technical changes in the porting and new materials, this 5 port engine features good power and fuel efficiency. 521 Sport guarantees excellent performance at a reasonable price. 521 Sport engine has been provided with the same aluminum carburetor as 721 engines to guarantee reliability and tuning stability.

REDS Racing 521 Sport features a new and unique high stiffness crankcase design. It is all new materials and casting technology. The engine is produced with pressure die casting, this is a very high quality process. Previous generation R line crankcase was with gravity casting.

Every single engine is hand inspected and compression checked inside REDS Racing headquarters by Mario Rossi to achieve the highest quality standards.

It is recommendable to match the new engine only with REDS Racing original pipes, manifolds and optional parts. We advise using REDS 2143 pipe and M manifold:

SPECIFICATIONS:

Category: 1/8 Buggy and Truggy
Displacement [cm^3]: 3,5
Bore [mm]: 16,24
Stroke [mm] 16,8
Inlet ports: 5
Outlet ports: 1
Crankshaft: carbon steel
Backplate: aluminum
Front ball bearing: 7x19x6 rubber seal Rear ball bearing: 14×25,4×6 Swiss made steel
Carburetor diameter [mm]: 7.0 stock (6.0, 6.5, 7.5 and 8.0 optional)
Carburetor: VCX2-A aluminum, 2 needles, GEN2
Weight [g]: 345
Fuel consumption: >9:00 min
Engine temperature: 110-130°C (depending on air temperature)
Recommended Glow plug: REDS TS3
Recommended pipe: REDS 2143 + M Manifold or 2143 X-One pipe
Recommended fuel: 25-30% nitro, 8-10% oil
Break-in fuel: 12% oil

#ENBU0027 – 521 SPORT, STEEL REAR BEARING and CRANKSHAFT
#COBU0017 – COMBO 521 SPORT with 2143+M Exhaust

Visit Reds-Racing-USA.com
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Reds Racing 521 Sport Nitro Engine

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Updated: June 7, 2021 — 12:15 PM

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