Segment:
Entry-level to mid-range youth/recreational ATV segment.
Competitors:
Competes with other 50cc ATVs from brands like Polaris (Sportsman 90), Yamaha (Grizzly 90), Arctic Cat (DVX 90), Kymco, and Linhai.
Youth Oriented:
Designed primarily for younger riders, emphasizing safety and ease of operation.
Recreational Use:
Suitable for trail riding and recreational off-road use.
Simplicity:
Typically features a simple, air-cooled engine and automatic transmission for ease of use.
General Coverage:
Comprehensive factory service and repair for the E-Ton Yukon ST 50 EXL-50 Quad Bike.
Estimated Page Count:
Refer to specific manual version for exact count, typically 200-500 pages for detailed ATV service manuals.
Type:
Factory Service Repair Workshop Manual
Language:
English (Standard for factory manuals)
Engine Service:
Engine overhaul, component inspection, timing, valve adjustments, piston/cylinder service, cooling system (if applicable).
Transmission Service:
Clutch operation, CVT (Continuously Variable Transmission) maintenance and repair, gearbox inspection, lubrication.
Chassis And Suspension:
Frame inspection, front/rear suspension adjustment and repair, shock absorber servicing, steering system maintenance.
Braking System:
Brake caliper service, master cylinder repair, hydraulic line inspection, brake pad replacement, bleeding procedures.
Electrical System:
Wiring diagrams, battery service, ignition system troubleshooting, lighting system, starter motor, charging system (stator, regulator/rectifier).
Fuel System:
Carburetor adjustment and cleaning, fuel pump operation, fuel lines, fuel tank maintenance.
Cooling System:
Radiator, coolant, thermostat, fan (if equipped) service and inspection.
Exhaust System:
Muffler, pipe inspection and replacement.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, air filter cleaning/replacement, spark plug replacement.
Troubleshooting Guides:
Diagnostic flowcharts for common performance issues, starting problems, electrical faults.
Component Removal And Installation:
Detailed step-by-step instructions for disassembling and reassembling major vehicle components.
Technical Specifications Data:
Torque specifications, clearances, fluid capacities, recommended settings.
Special Tools:
Identification of required special tools for specific repair procedures.
Depth:
Comprehensive factory-level repair and diagnostic information suitable for professional technicians and experienced DIY mechanics.
Searchability:
Likely text-searchable if created from original factory documents, enhancing usability.
Quality:
High-resolution digital reproduction of original factory manual content, typically includes diagrams and illustrations.
Binding:
Not applicable for digital download (PDF).
Paper Quality:
Not applicable for digital download (PDF).
Engine Type:
Single-cylinder, Four-stroke (typically)
Displacement:
Approximately 49cc to 50cc (specific to the '50' designation)
Cooling System:
Air-cooled (most common for this class)
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower:
Typically in the range of 3-5 HP, governed for youth safety.
Torque:
Low to moderate torque, suitable for its intended use.
Carburetor:
Single, small-bore carburetor (e.g., Mikuni VM16 or similar).
Fuel Type:
Unleaded Gasoline
Type:
Automatic CVT (Continuously Variable Transmission) with forward, neutral, and reverse gears.
Optional Transmissions:
None (CVT is standard for this model/class).
Drive System:
2WD (Two-Wheel Drive), typically rear-wheel drive.
Length:
Approx. 50-60 inches (Varies by specific year/trim).
Width:
Approx. 30-40 inches (Varies by specific year/trim).
Height:
Approx. 30-40 inches (Varies by specific year/trim).
Dry Weight:
Approx. 150-200 lbs (Varies by specific year/trim).
Ground Clearance:
Approx. 4-6 inches (Varies by specific year/trim).
Atv Safety Standards:
Adheres to ANSI/SVIA standards for youth ATVs, often including speed limiters and safety flags.
Throttle Limiter:
Adjustable throttle limiter screw to control top speed.
Safety Flag Mount:
Provision for mounting a safety flag.
Footwells:
Full floorboards with heel guards for rider foot protection.
Handguards:
Integrated handguards to protect from brush and debris.
Engine Stop Switch:
Easy-access engine kill switch.
Engine Oil Change:
Typically every 100 hours or annually, whichever comes first (refer to manual for exact interval and oil type).
Air Filter Cleaning:
Every 20-50 hours or as needed, depending on operating conditions (clean and re-oil).
Spark Plug Replacement:
Approximately every 100-200 hours or annually.
Valve Adjustment:
Typically recommended every 200-500 hours or annually for optimal performance.
Engine Oil Type:
SAE 10W-40 API SG or higher (check manual for specific viscosity and API rating).
Engine Oil Capacity:
Approximately 0.8 - 1.0 liters (refer to manual for exact capacity).
Gear Oil Type:
Gear oil with appropriate viscosity (e.g., SAE 80W-90 GL-4) for the gearbox/differential (if applicable and separate).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (check manual for specific type).
Carburetor Fouling:
Common in small displacement engines, especially with ethanol-blended fuels, leading to poor running conditions.
Electrical Connections:
Corrosion or loose connections can cause intermittent electrical faults, particularly in off-road environments.
Cvt Belt Wear:
Belts can wear over time and require periodic inspection and replacement.
Suspension Bushings:
Bushings can wear out, leading to play and affecting handling.
