Market Position:
A highly comprehensive and cost-effective resource for owners and technicians working on 2011-2012 Polaris Scrambler 500 HO, Trail Boss 330, and Trail Blazer 330 models.
Competitive Analysis:
Positions itself as superior to competitor manuals by including all essential sections, particularly the critical electrical and wiring diagrams, often omitted by others.
Key Features:
360 pages of detailed information, step-by-step instructions, exploded views, comprehensive system coverage, electrical/wiring diagrams included, cost savings compared to professional shop labor.
Covered Models:
Polaris Scrambler 500 HO 4x4, Polaris Trail Boss 330, Polaris Trail Blazer 330
Covered Years:
2011, 2012
Manual Type:
Comprehensive Service, Maintenance, and Repair Manual
Format:
PDF Download via Self-Executing Extractor
Systems Covered:
General Product Information, Maintenance, Engine, Fuel System, Body, Steering, Suspension, Clutching, Final Drive, Transmission, Brakes, Electrical Systems (including wiring diagrams)
Procedures Included:
Step-by-step repair and maintenance instructions, troubleshooting, diagnostics, component replacement, system overhauls
Technical Depth:
Comprehensive, suitable for professional mechanics and DIY enthusiasts. Includes detailed diagrams and exploded views.
Engine Mechanical:
Complete engine disassembly, assembly, inspection, and rebuilding procedures.
Fuel System Components:
Carburetor cleaning, adjustment, and rebuilding; fuel pump testing and replacement.
Electrical System:
Detailed wiring diagrams, starter system, charging system (stator, rectifier/regulator), ignition system, lighting circuits, and accessory wiring.
Troubleshooting Guides:
Systematic troubleshooting procedures for common and uncommon problems across all vehicle systems.
Torque Specifications:
Essential torque values for critical fasteners during assembly and disassembly.
Diagnostic Procedures:
In-depth diagnostic procedures for identifying faults in engine, transmission, electrical, and chassis systems.
Engine Type Scrambler 500 Ho:
4-stroke, Single Cylinder, SOHC
Engine Displacement Scrambler 500 Ho:
499cc
Cooling System Scrambler 500 Ho:
Liquid-cooled
Engine Type Trail Boss 330 Trail Blazer 330:
4-stroke, Single Cylinder
Engine Displacement Trail Boss 330 Trail Blazer 330:
330cc
Cooling System Trail Boss 330 Trail Blazer 330:
Air-cooled
Fuel System Scrambler 500 Ho:
Carbureted (likely Mikuni BSR40 or similar), Fuel Pump
Fuel System Trail Boss 330 Trail Blazer 330:
Carbureted (likely Keihin or Mikuni)
Horsepower Scrambler 500 Ho:
Approx. 34-37 HP (specification may vary slightly by year/tuning)
Torque Scrambler 500 Ho:
Approx. 28-30 lb-ft (specification may vary slightly by year/tuning)
Oil Type Scrambler 500 Ho:
SAE 10W-40 Synthetic ATV Oil (refer to manual for exact spec and capacity)
Oil Type Trail Boss 330 Trail Blazer 330:
SAE 10W-40 ATV Oil (refer to manual for exact spec and capacity)
Spark Plug Scrambler 500 Ho:
NGK CR9EB or equivalent (refer to manual for precise part number and gap)
Spark Plug Trail Boss 330 Trail Blazer 330:
NGK C7HSA or equivalent (refer to manual for precise part number and gap)
Primary Clutch Type:
CVT (Continuously Variable Transmission) - Automatic Engagement
Secondary Clutch Type:
CVT (Continuously Variable Transmission) - Automatic Engagement
Transmission Type:
Automatic with Park, Reverse, Neutral, and High forward gears
Transmission Fluid Type:
Refer to manual for specific Polaris transmission fluid or equivalent (often SAE 80W-90 gear oil for gearcase, and CVT belt fluid for primary/secondary clutch lubrication if applicable, though most ATVs use grease in clutch sheaves).
Wheelbase Scrambler 500 Ho 4X4:
Approximately 50.2 inches (1275 mm)
Ground Clearance Scrambler 500 Ho 4X4:
Approximately 10.5 inches (267 mm)
Dry Weight Scrambler 500 Ho 4X4:
Approximately 670 lbs (304 kg)
Wheelbase Trail Boss 330 Trail Blazer 330:
Refer to manual for specific dimensions
Ground Clearance Trail Boss 330 Trail Blazer 330:
Refer to manual for specific dimensions
Dry Weight Trail Boss 330 Trail Blazer 330:
Refer to manual for specific dimensions
Towing Capacity:
Refer to manual for specific model capacities (typically limited on ATVs)
Rack Capacity Front:
Refer to manual for specific model capacities
Rack Capacity Rear:
Refer to manual for specific model capacities
Braking System:
Hydraulic disc brakes on all wheels (specific caliper and rotor sizes detailed in manual)
Parking Brake:
Hand lever operated caliper lock or similar mechanism
Lighting:
Headlights, Taillight/Brake light
Throttle Limiter:
Potential for thumb throttle governor or settings
Infotainment System:
Not applicable for this era/type of ATV; focus is on functional controls and essential instrumentation.
Driver Assistance Features:
Basic instrumentation (speedometer, odometer, fuel gauge, indicator lights). No advanced driver assistance systems.
Connectivity Features:
Not applicable.
Engine Oil Change Interval:
Typically every 100 hours or annually (refer to manual for precise intervals)
Air Filter Cleaning Interval:
Regular inspection, clean every 25-50 hours or as needed based on conditions (refer to manual)
Spark Plug Replacement Interval:
Typically every 1-2 years or 100-200 hours (refer to manual)
Drive Belt Inspection Interval:
Regular inspection for wear and damage, replacement based on condition and mileage/hours (refer to manual)
Brake Fluid Type:
DOT 4 Hydraulic Brake Fluid (refer to manual for specific type and DOT rating)
Coolant Type Scrambler 500 Ho:
Ethylene Glycol based antifreeze (50/50 mix with distilled water) (refer to manual for specific type and capacity)
Common Issues General:
CVT belt wear, carburetor tuning adjustments, occasional electrical connector issues, suspension wear on high-mileage units.
Known Issues Scrambler 500 Ho:
Potential for starter solenoid issues, charging system checks, periodic valve adjustments for optimal performance.
Brand Heritage:
Polaris has a long-standing history in recreational off-road vehicles, including ATVs, with a reputation for robust engineering and performance-oriented machines.
Scrambler 500 Ho Evolution:
The Scrambler line is known for its sport-utility and trail performance, often featuring independent rear suspension and 4WD capabilities. The 'HO' designation signifies 'High Output' engine tuning.
Trail Boss Trail Blazer Evolution:
These models typically represent Polaris's entry-level to mid-range ATVs, focusing on reliability and ease of use for trail riding and general utility, often with 2WD or selectable 4WD options.
