Segment:
Sport/Utility ATV
Target Audience:
Recreational riders, utility users, home mechanics and DIY enthusiasts.
Competitors 1998:
Arctic Cat 400, Yamaha Warrior 350, Honda FourTrax 300/400, Suzuki QuadSport 250/400
Vehicle Strengths:
Reliable design, relatively simple construction, ease of repair, capable for various terrains.
Manual Value Proposition:
Essential tool for accurate part identification, facilitating cost-effective DIY maintenance and repair, extending vehicle lifespan.
Engine Components:
Piston, Crankshaft, Crankcase, Cylinder, Carburetor, Oil Pump, Magneto, Recoil Starter, Starting Motor, Exhaust System
Drivetrain Components:
Front Drive, Front Tightener, Front Strut, CV Joint – BTB, Rear Wheel Drive, Gearcase, Drive Clutch, Driven Clutch, Clutch Cover, Gearcase/Brake and Chain Cover Mounting
Chassis And Body:
Front Cab, Rear Cab and Seat, Rear Rack Mounting, Front Rack and Bumper Mounting, Handlebar and Headlight Pod, A-Arm/Strut Mounting, Center Tightener, Swing Arm/Shock Mounting
Cooling And Fuel:
Cooling System, Fuel Tank, Oil Tank, Air Box
Controls And Brakes:
Controls -- Throttle Asm./Cable, Controls - Master Cylinder/Brake Line, Steering Post, Front Brake, Rear Brake
Electrical:
Electrical/Taillight
Identification:
Identification of all original Polaris parts with corresponding part numbers through exploded diagrams.
Part Ordering:
Facilitates accurate ordering of replacement parts for maintenance and repair.
Depth:
Detailed breakdown of all assemblies and sub-assemblies, providing specific part numbers for component-level replacement.
File Type:
Portable Document Format (PDF)
Printable:
Yes, allows selective printing of pages as needed.
Searchable:
Likely, dependent on PDF creation, but typical for manufacturer-provided manuals.
Quality:
High-resolution diagrams and text for clear part identification.
Binding:
Digital PDF Download (No physical binding)
Paper Type:
N/A (Digital Format)
Engine Type:
2-Stroke, Liquid-Cooled
Displacement:
398cc (24.3 cu. in.)
Bore X Stroke:
80mm x 79mm (approximate, typical for this engine family)
Horsepower:
Approximately 33-35 HP (est. for era and class)
Torque:
Not explicitly listed in product info, but characteristic of a strong mid-range pull.
Carburetion:
Mikuni VM34SS or similar single carburetor.
Fuel Type:
Unleaded gasoline (87 octane recommended)
Fuel Oil Mix:
Premix or Automatic Oil Injection (Polaris P-TEC Injection system)
Fuel Tank Capacity:
Typically around 3.7 gallons (14 liters).
Oil Tank Capacity:
Typically around 1.5 quarts (1.4 liters).
Oil Type:
2-stroke synthetic oil (Polaris recommends specific blends).
Transmission Type:
Automatic (Continuously Variable Transmission - CVT)
Drive System:
Shaft Drive, On-Demand All-Wheel Drive (AWD)
Gear Selection:
Forward, Neutral, Reverse.
Clutch Type:
Drive Clutch and Driven Clutch (CVT system)
Overall Length:
Typically around 76-78 inches (193-198 cm).
Overall Width:
Typically around 47-48 inches (119-122 cm).
Overall Height:
Typically around 45-46 inches (114-117 cm).
Dry Weight:
Approximately 500-525 lbs (227-238 kg).
Ground Clearance:
Typically around 7-9 inches (17.8-22.9 cm).
Rack Capacity Front:
Typically around 25-50 lbs (11-23 kg).
Rack Capacity Rear:
Typically around 50-75 lbs (23-34 kg).
Safety Standards:
Adheres to ANSI standards for ATVs.
Braking System:
Hydraulic disc brakes front and rear.
Lighting:
Halogen headlights, taillight/brake light.
Handlebar Design:
Grip-style throttle, ergonomic hand controls.
Footwells:
Integrated floorboards with heel guards for rider protection.
Oil Change Interval:
Typically every 25-40 operating hours or annually, depending on usage conditions.
Air Filter Cleaning:
Frequent inspection and cleaning recommended, especially in dusty conditions. Replace as needed.
Spark Plug Replacement:
Typically every 100-150 operating hours or annually. Specific plug type and gap are crucial.
Drive Belt Inspection:
Inspect every 40-50 operating hours for wear, cracks, and proper tension. Replacement recommended based on wear.
Engine Oil Type:
Polaris 2-stroke engine oil or equivalent API-TC, JASO FD certified synthetic 2-stroke oil.
Cooling System Coolant:
Ethylene glycol-based antifreeze mixture with distilled water (50/50 ratio). Capacity approx. 1.5 liters.
Gearcase Oil Type:
Polaris Premium Gearcase Lubricant or SAE 80W-90 GL-4 gear oil. Capacity approx. 250ml.
Common Wear Items:
Drive belts, spark plugs, air filters, wheel bearings, steering components.
Carburetor Cleaning:
Carburetors can be sensitive to fuel quality and can require periodic cleaning or adjustment.
Cooling System Maintenance:
Regular flushing and refilling of the cooling system is vital to prevent overheating.
Polaristech History:
Polaris is a long-standing American manufacturer known for its pioneering work in snowmobiles and later expanding into ATVs and off-road vehicles.
Scrambler Lineage:
The Scrambler 400 was a key model in Polaris's performance-oriented ATV lineup, offering a blend of power and agility.
Production Era:
The 400cc 2-stroke engine was a mainstay for Polaris during the late 1990s and early 2000s.
