OS Motors .50SX-H Hyper Ring 60LH Carb

This is the O.S. Max .50 SX-H Ring Hyper Helicopter Engine with
Hyper Cooling Head and 60LH Carburetor.

FEATURES:
Ideal for use in any 50 class helicopter
Brand-new head design provides enhanced combustion performance for stable
    hovering and aerobatic flight
Large 0.39" (10mm) diameter carburetor consumption for greater running
    stability
Two year restricted service warranty
Exact same mounting measurements as the O.S. Max .46FX-H

CONSISTS OF:
One O.S. Max .50 SX-H Helicopter Engine with Hyper Cooling Head, 60LH
carburetor (OSMG2469), decal sheet, #8 radiance plug, user's manual

NEEDS:
10% to 30% nitro Fuel with at least 18% lubricant (Helicopter Mix)
Starting devices

SPECIFICATIONS:
Output: 1.9 PS, 1.87 HP/17,000 RPM
Practical RPM Range: 2,000-20,000 RPM
Displacement: 0.499 cid (8.0cc)
Bore: 0.866in. (21.99mm)
Stroke: 0.847in. (21.51mm)
Weight: 14.33oz (405.4g)

Distance/top of cylinder head-bottom of mounting ears: 2.9" (74mm)
Range in between mounting holes same side: 0.68" (17.5mm)
Range in between mounting holes opposite side: 1.73" (44mm)
Range in between muffler mounting holes: 1.4" (37mm)
Length of cylinder head: 2.1" (54mm)
Width of cylinder head: 1.8" (47mm)
Range/bottom of crankcase to top of cylinder head: 3.6" (92.3mm)
Range from center of engine to front bearing: 2.0" (51.6mm)
Range from center of engine to backplate bolt: 1" (25mm)
Distance from center of engine to throttle lever: 1.5" (38mm)

Needle Settings: High Speed: 1.5 turns out from fully closed
Mixture Control (low speed): indentation on screw
head straight vertical (up and down)
updated carb info tjt 020305