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MOTOR REDS 521 S-LINE

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202,48 €

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The REDS 521 Sport .21 Off-Road Competition Buggy Engine offers a balance of innovation, quality and performance at a mid range street price. The 521 Sport features technical changes in the 5 port sleeve, combined with updated materials to offer users high reliability, tuning stability and fuel mileage. The 521 Sport guarantees excellent performance at a reasonable price.

It is recommendable to match the engine with the REDS 2143 + M, or XONE Torque tuned pipe. 

Features: 

  • ALUMINUM CARBURETOR: 521 Sport engine includes the same aluminum carburetor as 721 engines to guarantee reliability and tuning stability. The insulator bushing has been improved with aerospace grade ultra high strength polymer. Furthermore, the GEN2 carburetor features a double grub screw joint link to allow positioning and fitting with the any servo linkage system.
  • STATE OF THE ART DIE CASTING: The unique high stiffness crankcase design is produced with a high quality pressure die casting process and special aluminum alloy developed by REDS Racing engineers to guarantee higher stiffness and strength.
  • 5 PORT TECHNOLOGY: The piston and sleeve features updated materials. Thanks to updated 5 port technology, this engine provides really good fuel mileage and a smooth power band.
  • HANDMADE, TUNED AND ASSEMBLED: Every single engine is hand inspected and compression checked inside REDS Racing headquarters by Mario Rossi to achieve the highest quality standards. 

Specifications: 
Category: 1/8 Buggy and Truggy 
Displacement: 3.5cc 
Bore: 16.2mm 
Stroke: 16.9mm 
Intake ports: 
Exhaust ports: 
Front Bearing: 7x19x6mm rubber seal 
Rear Bearing: 14x25.4x6mm Swiss made steel 
Carburetor Venturi: 7.0mm (6.0, 6.5, 7.5, 8.0 optional) 
Carburetor: VCX2-A Aluminum Short needle 
Weight: 345g 
Fuel consumption: > 9:00 min 
Engine temperature: 110-130°C 
Recommended Glow plug: REDS TS3 
Recommended pipe: REDS 2143 + M or XONE Torque 
Recommended fuel: 25-30% nitro, 8-10% oil 
Break-in fuel: 12% oil