Evolution .52NX Heli Glow Engine without Muffler

Features

• Fits common and popular 50-size helis on the market
• Designed to be the most powerful in its class
• Incorporates SetRight needle valve assembly
• Piston/liner made of unique combination of ABC
• Uniquely designed cooling head
• Throttle arm markings on throttle side of the carb body and throttle barrel for easy engine tuning

Product Specifications

Type:2 - Stroke Helicopter Engine

Displacement:.52 cu in (8.52 cc)

Bore:22.38 mm (.88")

Stroke:21.53 mm (.85")

Cylinders:Single

Engine (Only) Weight:15.36 oz (435.4 gramsJ)

Crankshaft Threads:1/4 x 28 UNF

RPM Range:2,000 - 16,000

Fuel:15 - 30% Nitro Heli fuel

Mounting Dimensions:4.16 x 1.85 x 3.68 in

Cylinder Type:Ringed

Carb Type:Barrel with two needles

Crank Type:Dual Ball Bearing