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
New head style offers enhanced combustion performance for steady
    hovering and aerobatic flight
Large 0.39" (10mm) diameter carburetor intake for higher running
    stability
2 year minimal warranty
Very same mounting dimensions 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, instruction manual

REQUIRES:
10% to 30% nitro Fuel with at least 18% lube (Helicopter Mix)
Starting equipment

SPECS:
Output: 1.9 PS, 1.87 HP/17,000 RPM
Practical RPM Variety: 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)
Distance between mounting holes same side: 0.68" (17.5mm)
Distance between mounting holes opposite side: 1.73" (44mm)
Distance between muffler mounting holes: 1.4" (37mm)
Length of cylinder head: 2.1" (54mm)
Width of cylinder head: 1.8" (47mm)
Distance/bottom of crankcase to top of cylinder head: 3.6" (92.3mm)
Distance from center of engine to front bearing: 2.0" (51.6mm)
Distance 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 totally closed
Mix Control (low speed): indentation on screw
head straight vertical (up and down)
updated carbohydrate info tjt 020305