Target Audience:
DIY mechanics, ATV enthusiasts, and owners of the 1999 Polaris Scrambler 400 seeking to perform maintenance and repairs.
Value Proposition:
Provides essential part identification for cost-effective home repairs, saving money compared to professional shops.
Utility:
Facilitates accurate part ordering and replacement, essential for maintaining vehicle longevity and performance.
Ease Of Use:
User-friendly PDF format with clear, organized sections and detailed diagrams.
Engine And Fuel:
Engine Mounting, Cooling System, Exhaust System, Fuel Tank, Oil Tank, Air Box, Carburetor, Oil Pump
Drivetrain And Suspension:
Front Drive, Front Tightener, Front Strut, CV Joint, Front Wheel, Rear Wheel Drive, Swing Arm/Shock Mounting, Gearcase, Drive Clutch, Driven Clutch, Clutch Cover
Controls And Brakes:
Controls - Throttle Assembly/Cable, Controls - Master Cylinder/Brake Line, Front Brake, Rear Brake, Gear Selector
Chassis And Body:
Front Cab, Rear Cab and Seat, Rear Rack Mounting, Decals, Front Rack and Bumper Mounting, Handlebar and Headlight Pod, A-Arm/Strut Mounting, Center Tightener
Electrical:
Electrical/Taillight, Magneto, Starting Motor
Part Identification:
Identification of all replacement parts with corresponding part numbers via exploded diagrams.
Maintenance Assistance:
Assists in identifying components for routine maintenance tasks such as oil changes, filter replacements, and inspections.
Scope:
Comprehensive parts catalog detailing every replaceable component for the 1999 Polaris Scrambler 400.
Print Options:
Print only needed pages, optimizing ink and paper usage.
Resolution:
High-resolution PDF suitable for clear printing of diagrams and text.
Physical Format:
N/A (Digital PDF Download)
Recommended Print Paper:
Standard printer paper (8.5" x 11") for home printing.
Engine Type:
2-Stroke, Liquid-Cooled
Displacement:
398cc (approximate, specific details may be in linked service manuals)
Horsepower:
Typically in the range of 30-35 HP (exact figures not specified in parts manual)
Torque:
Specific torque figures not provided in parts manual
Carburetor Type:
Mikuni VM34SS (common for this model, verify specific part number in manual)
Fuel Type:
Unleaded Gasoline
Oil Type:
2-Cycle oil injector system, requires specific 2-stroke oil (refer to service manual for specific grades)
Cooling Method:
Liquid-Cooled
Piston And Crankshaft Coverage:
Detailed breakdown of piston, rings, connecting rod, and crankshaft components.
Crankcase And Cylinder Coverage:
Includes parts for the crankcase, cylinder bore, and associated seals/gaskets.
Carburetor Parts:
Specific part numbers for jets, needles, float bowls, and other carburetor internals.
Starter Type:
Recoil Starter and Electric Start System (components detailed)
Transmission Type:
CVT (Continuously Variable Transmission) with Automatic Drive System
Gear Selection:
Low (L), High (H), Neutral (N), Reverse (R) (selector mechanism parts listed)
Drive Clutch:
Exploded view and part numbers for primary drive clutch components (sheaves, rollers, springs).
Driven Clutch:
Exploded view and part numbers for secondary driven clutch components (sheaves, weights, springs).
Gearcase:
Detailed parts listing for the rear gearcase, including gears, bearings, seals, and housing.
Chain Drive:
Parts for the final chain drive system, including sprockets and chain (if applicable).
Length:
Specific dimensions not listed in parts manual, refer to owner's or service manual.
Width:
Specific dimensions not listed in parts manual, refer to owner's or service manual.
Height:
Specific dimensions not listed in parts manual, refer to owner's or service manual.
Dry Weight:
Approximately 500 lbs (227 kg) (typical for this class, verify specific figure)
Payload Capacity:
Not specified in parts manual.
Towing Capacity:
Not specified in parts manual.
Front Rack Capacity:
Components for front rack mounting detailed.
Rear Rack Capacity:
Components for rear rack mounting detailed.
Atv Safety Standards:
Manufactured to meet industry safety standards for ATVs of its era.
Braking System:
Hydraulic disc brakes front and rear (components, lines, master cylinders, calipers listed).
Steering System:
Robust steering post and linkage components detailed for precise control.
Frame Construction:
Parts for the primary chassis and structural components.
Lighting:
Headlight and taillight components listed for visibility.
Oil Change Interval:
Refer to Polaris service manual for specific intervals; typically every 25-50 operating hours or annually.
Air Filter Maintenance:
Regular inspection and cleaning/replacement, especially in dusty conditions. Part numbers available.
Spark Plug Replacement:
Recommended replacement at regular intervals (refer to service manual) or when fouled. Spark plug part numbers are critical.
Engine Oil Type:
This is a 2-stroke, oil-injected engine. Requires specific 2-stroke synthetic or semi-synthetic oil formulated for liquid-cooled engines. Refer to service manual for exact grade and API service classification.
Gearcase Oil Type:
Hypoid gear oil, SAE 80W-90 is commonly recommended. Capacity and specific API rating from service manual.
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water. Typically a 50/50 mix. Refer to service manual for specific type and capacity.
Drive Belt Wear:
CVT drive belts can wear over time and require replacement. Part numbers available.
Carburetor Cleaning:
Carburetors may require periodic cleaning or adjustment due to fuel quality or usage. Parts for rebuild are in the manual.
Suspension Component Wear:
Ball joints, tie rods, and bushings in the suspension and steering can wear, requiring replacement. Components are detailed.
Part Number Index:
Includes a comprehensive index of all part numbers for easy ordering and identification.
Polariss Atv History:
Polaris has a long-standing reputation for producing reliable and capable ATVs since the 1980s.
Scrambler Line:
The Scrambler line is known for its sport-oriented performance and all-terrain capabilities.
Manufacturing Location:
Polaris ATVs are primarily manufactured in the United States.
Model Year Context:
The 1999 model year represents a mature iteration of Polaris's sport ATV offerings.
