Market Segment:
Recreational and utility ATV for general trail riding and light work.
Key Competitors 1994:
Yamaha Warrior 350, Honda FourTrax 300, Suzuki QuadRunner 250/300.
Ride Comfort:
Independent front suspension, comfortable seating for extended use.
Utility:
2x4 drivetrain suitable for varied terrain, moderate towing capacity.
Usability:
Digital PDF format allows for easy searching and printing of specific sections.
Software Recommendation:
Adobe PDF Reader recommended for optimal display of images and graphics.
Engine Service:
Detailed procedures for disassembly, inspection, reassembly, and troubleshooting of the engine.
Fuel System:
Carburetor adjustment, cleaning, and repair; fuel pump and filter servicing.
Ignition System:
Spark plug specifications, ignition timing, coil and stator testing.
Cooling System:
Radiator, fan, thermostat, and coolant servicing.
Transmission Transaxle:
Service and repair of the automatic transmission, including adjustments and component replacement.
Drivetrain Components:
CV joint inspection and replacement, driveshaft service.
Suspension System:
Front and rear suspension component inspection, replacement, and alignment.
Steering System:
Steering linkage, tie rod ends, and steering column servicing.
Brake System:
Hydraulic brake system servicing, including caliper, master cylinder, and brake pad replacement.
Electrical System:
Wiring diagrams, battery service, lighting, starter motor, and charging system troubleshooting.
Frame Chassis:
Inspection and repair of the ATV frame and chassis components.
Body Panels:
Removal, installation, and repair of plastic body panels.
Routine Maintenance:
Oil changes, filter replacements, lubrication, tire pressure checks, and general inspection.
Troubleshooting Guides:
Diagnostic procedures for common and uncommon performance issues.
Component Rebuilds:
Detailed instructions for rebuilding carburetors, brake calipers, and other wear items.
Technical Specifications:
Torque values, clearances, fluid capacities, and electrical specifications.
Wiring Diagrams:
Comprehensive electrical schematics for fault diagnosis.
Disassembly Reassembly:
Step-by-step instructions for removing and installing major and minor components.
Depth Of Coverage:
Comprehensive, covering routine maintenance to major component overhauls and repairs.
Engine Type:
4-stroke, liquid-cooled, single-cylinder
Displacement:
376 cc (23.0 cubic inches)
Bore X Stroke:
84.0 mm x 68.0 mm (Approximate, specific values in manual)
Compression Ratio:
9.0:1 (Typical for this engine)
Valve Train:
SOHC, 4-valve
Horsepower:
Approximately 25-30 HP (Estimate based on similar models)
Torque:
Not specified in product info, but robust low-end torque for utility.
Carburetor Type:
Mikuni VM34 (Typical for this model)
Fuel Type:
Unleaded gasoline
Engine Oil Type:
SAE 20W-40 API SF or SG (Manual will confirm specific viscosity and API rating)
Engine Oil Capacity:
Approximately 2.0 - 2.5 Liters (Manual will provide exact figure)
Coolant Type:
Ethylene glycol-based antifreeze (50/50 mix with distilled water)
Transmission Type:
Automatic (Polaris Variable Transmission - PVT)
Drive System:
Shaft drive to rear axle
Gear Selection:
High, Low, Neutral, Reverse (H-L-N-R)
Transmission Fluid Type:
Polaris Synthetic Heavy Duty CVT Fluid or equivalent (Manual will specify)
Length:
Approx. 77 inches (1956 mm) (Estimate)
Width:
Approx. 44 inches (1118 mm) (Estimate)
Height:
Approx. 42 inches (1067 mm) (Estimate)
Dry Weight:
Approx. 500 lbs (227 kg) (Estimate)
Ground Clearance:
Approx. 8 inches (203 mm) (Estimate)
Front Tire Size:
22x7-10 (Common size, manual will confirm exact)
Rear Tire Size:
22x10-10 (Common size, manual will confirm exact)
Wheel Bolt Pattern:
4x110 mm (Typical for Polaris of this era)
Atv Safety Standards:
Designed to meet ANSI standards for ATVs (manual may reference specific standards)
Braking System:
Hydraulic disc brakes front and rear.
Throttle Limiter:
Likely equipped with a throttle limiter screw for new riders (check manual for details)
Rollover Protection:
N/A - ATVs do not have built-in ROPS. Emphasizes rider responsibility.
Engine Oil Change Interval:
Recommended every 50-100 hours or annually (Manual will provide precise interval)
Air Filter Cleaning Interval:
Check every 20-40 hours, clean/replace as needed (Manual will confirm)
Spark Plug Replacement Interval:
Typically every 1-2 years or as performance degrades (Manual will list specific service life)
Brake Fluid Type:
DOT 3 or DOT 4 (Manual will confirm specific type and DOT rating)
Gear Lube Type:
SAE 80W-90 API GL-5 (Manual will specify for final drive)
Common Wear Items:
CV boots, tie rod ends, brake pads, and carburetor jets can be common wear items over time.
Cooling System Maintenance:
Regular coolant flushes are recommended to prevent corrosion and maintain cooling efficiency.
Carburetor Cleaning:
Periodic cleaning of the carburetor is often necessary to ensure optimal fuel delivery, especially after storage.
Polaris History:
Polaris Industries, founded in 1954, is a long-standing manufacturer of powersports vehicles, including snowmobiles and ATVs.
Polaris 400 Lineage:
The 400cc engine platform was a workhorse for Polaris, evolving through various ATV models. The 1994 model represents a mid-90s iteration.
Production Era:
Mid-1990s
