From REDS Racing:
Reds Racing all-new 521 Sport off-road engine is now obtainable. This new engine belongs to Reds S LINE along with 721 Scuderia, Superveloce and Corsa, a brand new vary of engines produced with totally different supplies, from totally different suppliers and with new applied sciences. All assembled in-house and 100% made in Italy.
The brand new engine options excessive reliability, tuning stability and gas mileage. Mixed with particular technical modifications within the porting and new supplies, this 5 port engine options good energy and gas effectivity. 521 Sport ensures glorious efficiency at an inexpensive value. 521 Sport engine has been supplied with the identical aluminum carburetor as 721 engines to ensure reliability and tuning stability.
REDS Racing 521 Sport encompasses a new and distinctive excessive stiffness crankcase design. It’s all new supplies and casting know-how. The engine is produced with stress die casting, this can be a very prime quality course of. Earlier technology R line crankcase was with gravity casting.
Each single engine is hand inspected and compression checked inside REDS Racing headquarters by Mario Rossi to attain the best high quality requirements.
It’s recommendable to match the brand new engine solely with REDS Racing authentic pipes, manifolds and elective elements. We advise utilizing REDS 2143 pipe and M manifold:
Class: 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 metal
Entrance ball bearing: 7x19x6 rubber seal Rear ball bearing: 14×25,4×6 Swiss made metal
Carburetor diameter [mm]: 7.0 inventory (6.0, 6.5, 7.5 and eight.0 elective)
Carburetor: VCX2-A aluminum, 2 needles, GEN2
Weight [g]: 345
Gasoline consumption: >9:00 min
Engine temperature: 110-130°C (relying on air temperature)
Really helpful Glow plug: REDS TS3
Really helpful pipe: REDS 2143 + M Manifold or 2143 X-One pipe
Really helpful gas: 25-30% nitro, 8-10% oil
Break-in gas: 12% oil
#ENBU0027 – 521 SPORT, STEEL REAR BEARING and CRANKSHAFT
#COBU0017 – COMBO 521 SPORT with 2143+M Exhaust