Model Variant:
2WD & 4WD (re-badged as Sportsman 300 from 2008)
Production Years Covered:
2006, 2007, 2008, 2009, 2010, 2011
Product Name:
Polaris Hawkeye 300 Service Manual Repair 2006-2011
Product Description Summary:
Factory repair manual for 2006-2011 Polaris Hawkeye 300 ATVs, including 2006-2007 4x4 models. Comprehensive coverage from tear-down to rebuild, with diagrams, torque specs, maintenance, and troubleshooting.
Positioning:
The Polaris Hawkeye 300 was positioned as a capable and user-friendly ATV for trail riding, utility work, and recreational use. It offered a balance of performance and comfort for its class.
Competitors:
Competed with similarly sized ATVs from brands like Yamaha (Grizzly 300/350), Arctic Cat (300 series), and Can-Am (Outlander 400/DS 450 variants, though slightly higher displacement).
Features:
Known for its reliable single-cylinder engine, comfortable seating position, independent front suspension on many models, and the option of 2WD or 4WD drivetrains. The rebranding to Sportsman 300 highlights its integration into Polaris's broader utility ATV lineup.
Value:
This factory service manual provides comprehensive, dealership-level information essential for owners and technicians to maintain, diagnose, and repair the Polaris Hawkeye 300/Sportsman 300, ensuring longevity and optimal performance.
Engine:
Complete engine tear-down, rebuild, maintenance, troubleshooting, valve clearance, cylinder, pistons, connecting rods, crankshaft, flywheels, magneto, charging system, starter motor, fuel pump, ignition system, EFI system.
Drivetrain:
Transmission, primary reduction gear, drive shaft, clutches (primary and driven), gearbox, differentials (2WD/4WD), drive axles, swingarms.
Suspension And Steering:
Front forks, rear suspension (shocks, struts, swingarm), steering system, linkages, handlebars, EPS (if applicable on specific models).
Brakes:
Front and rear brake systems, rotors, calipers, hydraulic lines, brake pads, master cylinders.
Fuel System:
Fuel injection (EFI), fuel pump, fuel lines, fuel tank, air intake system, carburetor (for earlier models if applicable, though EFI is specified for these years).
Body And Chassis:
Plastics, fenders, panels, frame, storage, seat, handle bars, plastics.
Exhaust And Intake:
Covers exhaust system components, muffler, and intake system maintenance and cleaning.
Electrical:
Battery, charging system, ignition, lighting (headlights, taillights), starter system, EFI sensors, error codes, troubleshooting 'no spark'.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, coolant flush and fill, spark plug replacement, tire pressure checks, brake fluid changes, chain/belt adjustments (if applicable).
Troubleshooting:
Diagnostic procedures for common problems such as starting issues, engine performance problems, electrical faults, 'no spark' conditions, error codes, and drivability issues.
Repair And Rebuild:
Complete step-by-step instructions for disassembly, repair, and reassembly of all major components, including engine overhauls, transmission rebuilds, suspension repairs, and brake system overhauls.
Installation:
Instructions for installing new parts or components, and potentially upgrades.
Depth:
Comprehensive. Covers everything from basic maintenance and operation to complete engine rebuilds, complex electrical diagnostics, and drivetrain overhauls. Includes detailed diagrams and specifications.
Diagrams Illustrations:
Includes detailed part diagrams and illustrations to aid in identification and assembly/disassembly.
Torque Specifications:
Provides precise torque specifications for critical fasteners, essential for proper assembly and preventing damage.
Engine Type:
4-stroke, SOHC, 2-valve, single-cylinder
Displacement:
Approx. 278 cc (specific model variants may have slight variations).
Bore X Stroke:
Typically around 74 mm x 64.5 mm (refer to specific model year in manual for exact figures).
Compression Ratio:
Usually in the range of 9.0:1 to 10.0:1 (check manual for precise specification).
Fuel Delivery:
Electronic Fuel Injection (EFI)
Recommended Fuel:
Unleaded gasoline, 87 octane minimum (confirm with manual).
Efi Components:
Covers fuel injectors, throttle body, sensors (e.g., MAP, TPS, IAT, O2 if equipped), and fuel pump diagnostics.
Oil Type:
Polaris recommend specific ATV engine oil, typically a SAE 5W-50 or 10W-40 synthetic blend or full synthetic (manual will specify exact viscosity and API rating).
Cooling Method:
Liquid-cooled
Coolant Type:
Ethylene glycol-based antifreeze/coolant, 50/50 mix with distilled water (check manual for specific Polaris recommended coolant).
Engine Oil Change:
Typically every 100 hours or 6 months, whichever comes first (refer to manual for exact intervals and conditions).
Air Filter Cleaning:
Inspect and clean every 25 hours or monthly. Replace as needed.
Spark Plug Replacement:
Check and gap every 100 hours, replace every 200 hours or as needed (specific plug type and gap in manual).
Coolant Change:
Flush and replace coolant every 2 years or 200 hours (refer to manual).
Cvtpuls:
Regular inspection and cleaning of the CVT primary and driven clutches, and belt inspection/replacement at recommended intervals (refer to manual for specifics).
Engine Oil Capacity:
Approximately 1.8-2.0 liters (check dipstick and manual for exact capacity).
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid (confirm specific type in manual).
Gearbox Oil:
Refer to manual for specific gearbox oil specification and capacity for drivetrain components.
Common Problems:
While generally reliable, common ATV issues can include belt wear in the CVT, suspension component wear over time, EFI system sensor faults, and standard wear-and-tear on braking and drivetrain components. The manual's troubleshooting section is invaluable for addressing these.
