Ys 60 Sr Manual -

The YS 60SR is a specialized side-exhaust competition helicopter engine designed for 600-size (50-class) airframes. It features a unique pressurized fuel system and a three-needle carburetor designed to deliver "90-class" power in a smaller footprint. Specification Displacement Bore / Stroke 24.0 mm / 22.0 mm Weight Practical RPM 1,800 – 18,000 RPM Fuel Req. 15%–30% Nitromethane; 18%–23% oil Initial Setup and Start-Up

In addition to the manual, Yamaha provides various resources to support Ys 60 Sr owners, including: Ys 60 Sr Manual

Once you locate the PDF, do not just save it to a desktop. Industrial equipment lasts 20+ years; your hard drive might not. The YS 60SR is a specialized side-exhaust competition