Login or create an account
CloseReturning Customer
I am a returning customer
Login or create an account
CloseRegister Account
If you already have an account with us, please login at the login form.
Your Account Has Been Created!
Thank you for registering with RC Speed Hobby!
You will be notified by e-mail once your account has been activated by the store owner.
If you have ANY questions about the operation of this online shop, please contact the store owner.
Account Logout
You have been logged off your account. It is now safe to leave the computer.
Your shopping cart has been saved, the items inside it will be restored whenever you log back into your account.
REDS 521 Sport 21 Buggy Engine Combo
- $159.14
- Brands REDS
- Product Code: REDCOBU0017
- Availability: In Stock
The REDS 521 Sport .21 Off-Road Competition Buggy Engine Combo with 2143 tuned pipe and M manifold (REDKM210011), 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 exce..
High Performance REDS 521 Sport Engine Combo
The REDS 521 Sport .21 Off-Road Competition
Buggy Engine Combo with 2143 tuned pipe and M manifold (REDKM210011), 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.
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: 5
Exhaust ports: 1
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
