OS Engines Speed Tuned R21 GT with Complete Muffler OS 2060SC

OS Engines

Tax included
Last ones in stock

Ready to tear up the track!

1/8 scale GT Touring class racing is becoming increasingly popular, and O.S. has developed the perfect power plant for dominating the competition. The R21 GT boasts many of the advances that Speed engines are famous for, with special modifications that make it ideal for on-road applications. For the max performance GT Touring drivers demand, the Speed R21 GT is the obvious choice. Supplied with full OS Speed exhaust 2060SC.

  • Five scavenger ports and 3 exhaust ports improve power in the mid- to high range
  • The outer head features a lower CG, along with shiny fins
  • The crankshaft has been engineered for GT touring, and is silicon-potted and DLC coated with tungsten weights pressed in
  • The included dual adjustable carb is IFMAR-legal, and comes with a 7mm restrictor

Technical Specifications:

Displacement: 3.49cc

Transfer Ports: 5

Carburetor Type: 7mm, Slide

Material: Aluminium

Adjustment Needles: 4

Glowplug Type: Turbo

Exhaust Position: Rear

Fuel Type: 25% (Recommended)

Bore: 16.08mm

Stroke: 17.2mm

Pratical RPM: 4,000-42,000

Output: 2.61hp @ 34,000 RPM

Weight: 369g

No reviews

You might also like

13 other products in the same category:

Product added to wishlist
Cookie Compliance
This site uses cookies to enhance your browsing experience.