Engine Mechanical:
Engine disassembly, assembly, inspection, repair of all internal components (pistons, rings, crankshaft, connecting rods, valves, camshafts), cylinder head, cylinder block.
Fuel System:
Carburetor (likely Mikuni VM series) tuning, cleaning, rebuilding; fuel pump, fuel lines, fuel filter replacement.
Ignition System:
CDI unit, ignition coils, spark plugs, wiring, troubleshooting ignition timing issues.
Cooling System:
Radiator, cooling fan, coolant hoses, thermostat, coolant specifications, bleeding procedures.
Exhaust System:
Exhaust pipes, muffler, mounting hardware, gasket replacement.
Drive System:
Drive clutch (primary), driven clutch (secondary), drive belt inspection and replacement, gearcase lubrication, chaincase inspection and service, driveshaft, sprockets.
Suspension Front:
IFS (Independent Front Suspension) components, A-arms, ball joints, tie rods, shock absorbers, springs, steering components, alignment specifications.
Suspension Rear:
RMK rear suspension system, rails, shocks (front and rear), springs, bogey wheels, track tension adjustment, lubrication, geometry.
Brakes:
Hydraulic brake system, brake caliper overhaul, brake pads replacement, brake fluid specifications and bleeding, brake disc inspection.
Electrical System:
Wiring diagrams, battery maintenance, stator, rectifier/regulator, lighting (headlights, taillights, brake lights), gauge cluster, starter system, kill switch functionality.
Bodywork Chassis:
Tunnel repair, plastic body panel removal and installation, seat, handlebars, controls, skid plate, bumper.
Routine Maintenance:
Pre-ride inspection checklists, oil changes, filter replacements, lubrication points, track inspection, clutch maintenance.
Troubleshooting Guides:
Diagnostic procedures for common problems (e.g., starting issues, poor performance, overheating), symptom-based troubleshooting charts.
Engine Rebuild:
Complete step-by-step instructions for engine disassembly, cleaning, inspection, measurement, and reassembly.
Clutch Calibration:
Adjusting primary and driven clutches for optimal performance, belt alignment.
Suspension Tuning:
Adjusting suspension settings for different riding conditions, shock servicing.
Electrical Diagnostics:
Using wiring diagrams to diagnose electrical faults, testing components.
Depth Level:
Comprehensive: Covers everything from basic fluid checks and belt replacement to complete engine teardown and rebuild, suspension component replacement, and electrical system diagnostics.
Engine Type:
Liquid-cooled, 2-stroke, twin-cylinder
Bore X Stroke:
Typically around 80 mm x 68 mm (exact specs in manual)
Power Output:
Approximately 115-120 HP (exact dyno figures vary)
Torque Output:
Likely in the 70-75 lb-ft range (exact figures in manual)
Fuel Delivery:
Carbureted (likely dual Mikuni VM series, e.g., VM40)
Fuel Type:
87-91 octane unleaded gasoline (check manual for exact octane recommendation)
Oil System:
Autolube oil injection system.
Recommended Oil:
Polaris 2-stroke synthetic oil or equivalent (specific part number in manual).
Oil Change Interval:
Typically every 100-150 hours of operation or annually. (Specific recommendation in manual).
Drive Belt Inspection:
Every 50 hours, replace as needed or based on wear indicators.
Spark Plug Replacement:
Typically every 200-300 hours or annually. (Specific part numbers and gap in manual).
Gearcase Oil Change:
Annually or every 100-150 hours. (Specific capacity in manual).
Coolant Type:
Ethylene glycol-based antifreeze, 50/50 mix with distilled water. (Specific Polaris part number or equivalent in manual).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. (Specific recommendation in manual).
Common Wear Items:
Drive belts, carbides, wear rods, suspension bushings, crank seals (common on older 2-strokes).
Carburetor Issues:
Gumming if fuel is not treated for storage, jetting changes for altitude adjustments.
Track Tension:
Improper track tension can lead to excessive wear on the track, drivers, and suspension components.