Target Audience:
Owners of 2009-2014 Honda Rancher 420 AT IRS ATVs, independent mechanics, and DIY enthusiasts seeking comprehensive repair and maintenance guidance.
Value Proposition:
Provides a complete, high-quality digital resource for a specific and popular ATV model range, offering detailed information that surpasses basic owner's manuals.
Unique Selling Points:
Covers IRS models exclusively, features extensive diagrams and torque specs, searchable PDF format, and unlimited printing/saving. Seller offers free replacement.
Engine And Fuel:
Complete engine disassembly, assembly, lubrication, EFI system, fuel pump, injectors, PGM-FI, troubleshooting ignition, charging system, stator, regulator/rectifier, starting system, battery, magneto.
Drivetrain And Transmission:
Automatic Transmission (AT) operation and overhaul, primary reduction gear, driveshaft, differentials (front and rear), CV joints, output shafts, final drive gears, clutch operation.
Suspension And Steering:
Independent Rear Suspension (IRS) system components, front and rear suspension arms, shock absorbers (struts), bushings, swingarm, steering system (including power steering components if applicable), tie rods, knuckle assembly.
Brakes And Wheels:
Front and rear brake systems, disc brakes, calipers, brake pads, brake rotors, hydraulic lines, brake fluid specifications, parking brake.
Electrical And Lighting:
Wiring diagrams, lighting system (headlights, taillights), switches, fuses, relays, battery maintenance, starting system, ignition system troubleshooting.
Body And Chassis:
Frame inspection, plastic body panels, fenders, racks, seat removal and installation, handlebars, controls, plastics.
Maintenance:
Routine maintenance schedules, oil changes (engine and drivetrain), filter replacements, spark plug replacement, valve clearance adjustment, coolant changes, lubrication points, tire pressure checks.
Troubleshooting:
Comprehensive diagnostic procedures for common issues, error code interpretation (if applicable), no-spark conditions, starting problems, overheating, electrical faults, transmission issues.
Repair And Rebuild:
Complete teardown and rebuild procedures for all major components, including engine, transmission, suspension, brakes, and steering. Includes detailed instructions for component replacement and repair.
Diagnostics:
Detailed diagnostic flowcharts and step-by-step instructions for identifying and resolving mechanical and electrical problems.
Level Of Detail:
Extremely High. Covers full component overhaul, including detailed sub-assembly procedures, tolerances, and specifications. Suitable for professional mechanics and advanced DIY enthusiasts.
Visual Aids:
Extensive use of clear photographs and detailed diagrams to illustrate procedures and component identification.
Special Tools:
Identifies and specifies necessary special tools required for specific repair and maintenance procedures.
File Type:
PDF (Portable Document Format)
Print Restrictions:
No printing restrictions. Allows for full document printing.
Binding Method:
N/A (Digital PDF - user prints and binds as desired)
Paper Quality:
N/A (Digital PDF - user selects print media)
Searchability:
Fully searchable text for rapid information retrieval.
Navigation:
Clickable chapters for easy navigation.
Save Options:
No restrictions on saving or burning to disc.
Engine Type:
4-Stroke, OHV, Liquid-Cooled, Single-Cylinder
Bore X Stroke:
86.5 mm x 71.5 mm
Horsepower Estimated:
Approx. 27-30 HP (Specific figures vary slightly by year and tuning)
Torque Estimated:
Approx. 23-25 lb-ft (Specific figures vary slightly by year and tuning)
Fuel Delivery:
Fuel Injection (PGM-FI) with 40mm throttle body
Fuel Type:
Unleaded Regular Gasoline (87 octane or higher)
Oil Type:
SAE 10W-30 API Service Classification SG or higher, motorcycle oil (often with JASO MA certification recommended).
Oil Capacity W Filter:
Approx. 2.0 L (2.1 US qt)
Ignition System:
Full transistorized ignition with electronic advance
Cooling System:
Liquid-Cooled
Coolant Type:
Honda Genuine All Season Antifreeze/Coolant or equivalent (50/50 mix of antifreeze and distilled water)
Transmission Type:
Automatic Transmission (AT) with Torque Converter
Gearbox Type:
N/A (Automatic Transmission is standard for covered models)
Drive Modes:
2WD/4WD selectable on-the-fly (often with Trax-Lok™ system)
Gear Selection:
Includes High (H), Low (L), Neutral (N), Reverse (R), and Park (P).
Transmission Fluid Type:
Honda Genuine ATV Oil or SAE 10W-40 API SG or higher, JASO T903 MA.
Transmission Fluid Capacity:
Approx. 0.65 L (0.69 US qt) for rear differential, 0.16 L (0.17 US qt) for front final drive.
Engine Oil Change:
Every 600 miles (1000 km) or 6 months, whichever comes first.
Air Filter Cleaning:
Every 100 miles (160 km) or 3 months, clean and every 600 miles (1000 km) or 6 months, replace.
Spark Plug Replacement:
Every 1200 miles (2000 km) or 12 months.
Valve Clearance Check:
Every 1200 miles (2000 km) or 12 months.
Coolant Change:
Every 2 years.
Engine Oil Spec:
SAE 10W-30 API SG or higher, motorcycle oil (JASO MA recommended)
Brake Fluid Spec:
DOT 3 or DOT 4 Brake Fluid
Wheel Bearing Grease:
High-temperature, water-resistant lithium-based grease.
Common Wear Items:
Brake pads, tires, suspension bushings, drive belts (if applicable to certain transmissions not covered), tie rod ends.
Potential Electrical Issues:
Issues with stator, regulator/rectifier, or starter solenoid can occur with age and use, typical for many powersports vehicles.
Efi System Maintenance:
Regular cleaning of the throttle body and checking for vacuum leaks can prevent performance issues. The manual covers these procedures.
Manufacturer:
Honda Motor Company, Ltd.
Reputation:
Known for reliability, engineering quality, and innovation in motorcycles and powersports vehicles.
Rancher Line Introduction:
The Rancher line has been a staple in Honda's ATV offerings for many years, evolving from basic utility models to more feature-rich variants.
420Cc Generation:
The 420cc generation introduced significant updates, including the option for fuel injection, independent rear suspension (IRS) on specific models, and electric power steering (EPS).
Manufacturing Location:
Primarily manufactured in the United States (e.g., Timmonsville, South Carolina) for North American markets.
