Historical Context:
The 1966 OMC Snow-Cruiser was a significant entry in the nascent snowmobile market, aiming to provide reliable winter transportation and recreation. OMC (Outboard Marine Corporation) leveraged its expertise in marine engines to develop these early snow machines.
Competitors:
Competed against early models from Polaris, Ski-Doo, and Arctic Cat, all vying for a share of the emerging recreational vehicle market.
Distinguishing Factors:
Known for its robust construction and the use of proven OMC marine engine technology. This manual details the specific engineering and maintenance needs for this model.
Engine Systems:
Engine overhaul, disassembly, assembly, tuning, carburetor adjustment, ignition system troubleshooting, cooling system maintenance.
Drivetrain Systems:
Clutch inspection and adjustment, chain drive maintenance, track system inspection and repair, drive axle servicing.
Chassis Systems:
Frame inspection and repair, suspension components, ski alignment and adjustment, steering system maintenance.
Electrical Systems:
Wiring diagrams, lighting system service, ignition coil testing, basic electrical troubleshooting.
Fuel System:
Fuel tank service, fuel line inspection, carburetor cleaning and adjustment, fuel filter replacement.
Braking System:
Brake band adjustment, brake cable inspection and lubrication, brake shoe replacement.
Maintenance:
Routine maintenance checks, lubrication points, cleaning procedures, pre-season and post-season storage recommendations.
Troubleshooting:
Step-by-step diagnostic procedures for common starting issues, power loss, and unusual noises.
Repair:
Detailed instructions for component removal, installation, and adjustment, including engine teardown and reassembly.
Specifications:
Torque specifications for critical fasteners, engine timing settings, clearance measurements.
Depth:
Comprehensive coverage for mechanics and experienced enthusiasts, including engine rebuilds and advanced diagnostics.
Engine Type:
2-stroke, air-cooled
Engine Configuration:
Likely a single-cylinder or twin-cylinder configuration, typical for this era.
Displacement:
Specific displacement varies by engine option, detailed within the manual.
Horsepower Range:
Generally in the 10-25 HP range, dependent on engine variant.
Carburetor Type:
Typically Tillotson or Mikuni carburetors, specific model number documented in manual.
Fuel Mixture:
Requires specific oil-to-gasoline ratio (e.g., 20:1 or 25:1), detailed in manual.
Length:
Varies, consult manual for specific measurements.
Width:
Varies, consult manual for specific measurements.
Height:
Varies, consult manual for specific measurements.
Dry Weight:
Typically in the 200-350 lb range, detailed in manual.
Engine Tune Up:
Recommended annually or every 50 operating hours. Manual provides detailed procedure.
Lubrication:
Regular lubrication of chain, suspension pivots, and steering components as per manual's lubrication chart.
Track Tension:
Check and adjust track tension every 25 operating hours or as needed. Manual details proper tensioning.
2 Stroke Oil:
Specific API service category and mix ratio detailed in manual. Often TC-W or equivalent.
Gearcase Oil:
Specific gear oil viscosity and type recommended (e.g., SAE 80 or 90), detailed in manual.
Carburetor Fouling:
Common issue due to fuel mix and older fuel. Manual provides cleaning and adjustment steps.
Ignition Coil Failure:
Can occur with age. Manual includes testing procedures and specifications.
Track Wear:
Natural wear over time. Manual guides on inspection and replacement.
Omc Legacy:
Outboard Marine Corporation (OMC) was a major manufacturer of outboard motors and later expanded into snowmobiles, enjoying a strong reputation for engineering.
Early Snowmobile Era:
The 1966 Snow-Cruiser represents the pioneering phase of snowmobile development, characterized by simpler designs and direct mechanical systems.
Manufacturing Location:
Primarily manufactured in the United States by OMC.