Engine System:
Engine overhaul, disassembly, assembly, tuning, lubrication, cooling system
Fuel System:
Carburetor service, fuel pump, fuel lines, fuel tank maintenance
Ignition System:
CDI unit, ignition coils, spark plugs, timing adjustment
Drive System:
Clutch system (drive and driven), belt replacement, gearcase service, chain adjustment
Suspension System:
Front and rear suspension components, shock absorbers, skis, track system maintenance
Braking System:
Brake caliper service, master cylinder, brake lines, brake pad replacement
Electrical System:
Wiring diagrams, lighting, gauges, starter system, battery maintenance
Chassis And Body:
Frame inspection, body panel removal/installation, seat maintenance, handlebar assembly
Maintenance:
Scheduled maintenance, tune-ups, lubrication points, belt inspection/replacement
Troubleshooting:
Diagnostic charts, common problems and solutions, electrical system diagnostics
Repair:
Step-by-step repair instructions for all major components
Rebuilds:
Engine rebuild procedures, carburetor overhaul, clutch component servicing
Specifications:
Torque specifications, clearances, tolerances, fluid capacities
Depth:
Comprehensive from basic maintenance to complete engine and component overhaul
Engine Type:
Liquid-cooled, 2-stroke, twin-cylinder (specific displacement likely 398cc or 430cc for the 400 designation, needing verification)
Bore X Stroke:
Not specified in product info, typical for this era would be around 62mm x 64mm
Compression Ratio:
Not specified in product info
Carburetion:
Dual Mikuni VM34SS carburetors (common configuration for this model)
Horsepower:
Approximately 50-55 HP (estimated based on similar models)
Torque:
Not specified in product info
Fuel Type:
Unleaded gasoline with 2-stroke oil mix (specified ratio in manual)
Oil Type:
API-TC or JASO FD certified 2-stroke engine oil (specific brand/viscosity recommended in manual)
Cooling Method:
Liquid-cooled
Coolant Type:
Ethylene glycol based antifreeze/coolant (specific mix ratio and type in manual)
Length:
Not specified in product info, typical for this class approx. 100-110 inches
Width:
Not specified in product info, typical for this class approx. 40-45 inches
Height:
Not specified in product info, typical for this class approx. 40-45 inches
Dry Weight:
Not specified in product info, estimated 450-500 lbs
Track Width:
Not specified in product info
Rack Capacity Rear:
Not specified in product info, but standard for utility/trail models
Safety Certifications:
Not applicable in the same way as automobiles, but adherence to industry safety standards for snowmobiles
Throttle Control:
Thumb throttle with safety lockout
Braking System Type:
Hydraulic disc brake
Kill Switch:
Engine kill switch with lanyard
Headlight Taillight:
Standard illumination for visibility
Oil Change Gearcase:
Annual or every 100 hours of operation (specific in manual)
Spark Plug Replacement:
Check at 500 miles, replace as needed (specific in manual)
Clutch Belt Inspection:
Inspect annually, replace based on wear and condition (specific in manual)
Lubrication:
Check and lubricate specific points as per manual at seasonal intervals.
Coolant Capacity:
Not specified in product info, but requires approximately 1.5-2 liters
Fuel Mix Ratio:
Typically 40:1 or 50:1 (verify in manual)
Common Problems:
Clutch wear, carburetor jetting issues, exhaust pipe leaks, potential crank seal leaks
Troubleshooting Tips:
Manual provides detailed steps to diagnose and rectify common issues.
Heritage:
Polaris Industries is a long-standing American manufacturer known for its snowmobiles, ATVs, and motorcycles.
Evolution:
The Indy line represented Polaris's popular trail and utility snowmobiles during the late 1980s, known for reliability and performance for its class.
Production Era:
Late 1980s, specifically the 1989 model year.