Category:
All-Terrain Vehicle (ATV)
Target Audience:
Owners, DIY mechanics, service technicians working on Honda Rancher 420 models.
Segment:
Mid-size utility ATV, known for reliability and versatility.
Manual Value Proposition:
Provides comprehensive, detailed repair and maintenance information, enabling owners to maintain their ATVs effectively and reduce service costs.
Vehicle Strengths:
Known for durability, rider comfort (especially models with EPS), and capability across various terrains.
General Coverage:
Complete tear down and rebuild, maintenance, troubleshooting, part diagrams, torque specs, troubleshooting.
Type:
Service and Repair Manual
Format:
PDF (Digital Download)
Engine:
Engine overhaul, fuel system (carburetor/PGM-FI), ignition system, lubrication system, cooling system, exhaust system.
Transmission:
Manual and Automatic transmissions (depending on model variant), clutch system, drive train components.
Electrical:
Starter system, charging system (stator, rectifier/regulator), lighting, ignition coils, battery, wiring diagrams.
Chassis:
Frame, suspension (front forks, rear swingarm, shocks/struts), steering system (including EPS), brakes (front and rear rotors, hydraulic system), wheels, tires.
Bodywork:
Body panels, fenders, seat, handlebars, plastics, racks.
Maintenance:
Scheduled maintenance, fluid changes (engine oil, coolant, brake fluid, transmission fluid), filter replacements, lubrication points, valve clearance adjustment, tire pressure checks, battery maintenance.
Troubleshooting:
Diagnosis of common problems (e.g., no spark, starting issues, engine performance problems), error code interpretation, systematic troubleshooting guides.
Repair:
Complete engine rebuild, transmission repair, suspension component replacement, brake system service, electrical component diagnosis and repair, body panel repair and replacement.
Technical Data:
Torque specifications for all fasteners, fluid capacities, electrical specifications, diagnostic data, PGM-FI system details.
Depth:
Comprehensive coverage from basic maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures.
Engine Type:
4-stroke, OHV, liquid-cooled
Bore X Stroke:
86.5 mm x 71.5 mm
Power Output Approx:
Approx. 26-27 hp (Varies slightly by model and tuning)
Fuel Delivery:
PGM-FI (Programmed Fuel Injection) or Carburetor (depending on model variant)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Oil Type Recommended:
SAE 10W-40 API SG or higher (Check manual for specific viscosity and certifications like JASO T903 MA)
Coolant Type:
Honda HP Coolant or equivalent (50/50 mix of distilled water and antifreeze)
Valve Train:
Overhead Valve (OHV), 2 valves per cylinder
Ignition System:
CDI (Capacitor Discharge Ignition) with electronic advance
Overall Length:
Approx. 83.1 inches (2111 mm)
Overall Width:
Approx. 47.2 inches (1199 mm)
Overall Height:
Approx. 46.1 inches (1171 mm)
Curb Weight:
Approx. 590-620 lbs (268-281 kg), varies by model and options (e.g., EPS, 4WD).
Towing Capacity:
850 lbs (385.5 kg)
Rack Capacity Front:
30.9 lbs (14 kg)
Rack Capacity Rear:
154.3 lbs (70 kg)
Atv Safety Standards:
Complies with ANSI/SVIA 1-2010 and OSHA 1910.269 (as applicable for industrial use).
Power Steering:
Electric Power Steering (EPS) available on certain models (FA, FE, FA5, FA6 variants), significantly improving handling and reducing rider fatigue.
Braking System:
Hydraulic disc brakes front and rear.
Lighting:
Twin 30W DC headlights, 15W brake light.
Features:
Basic LCD display showing speed, odometer, trip meter, fuel level, gear indicator, 4WD indicator, engine warning light, etc. No complex infotainment systems typically found in this segment.
Power Steering:
Electric Power Steering (EPS) on select models enhances stability and reduces handlebar kickback, improving rider comfort and control.
Features:
No typical automotive connectivity features like Bluetooth or Apple CarPlay/Android Auto.
Efi System:
PGM-FI system (on applicable models) provides precise fuel delivery for improved performance, fuel economy, and emissions control.
Engine Oil Change:
Every 600 miles (1000 km) or 6 months, whichever comes first. Inspect oil level more frequently.
Air Filter Cleaning Replacement:
Inspect every 300 miles (500 km) or 3 months. Clean or replace as needed. More frequent cleaning in dusty conditions.
Spark Plug Replacement:
Every 4,000 miles (6,400 km) or 2 years. Check gap periodically.
Valve Clearance Adjustment:
Every 4,000 miles (6,400 km) or 2 years.
Engine Oil Capacity:
Approx. 2.4 quarts (2.3 L) with filter change (Check manual for exact capacity).
Coolant Capacity:
Approx. 1.8 quarts (1.7 L) (Check manual for exact capacity).
Common Problems:
Some owners report occasional issues with the starter motor solenoid, charging system components (rectifier/regulator), or the EFI system requiring attention. Water ingress into the airbox on older models if not properly maintained. Drive shaft U-joint wear.
