Vehicle Segment:
Entry-level to mid-range recreational ATVs, often favored for youth or light trail use due to their engine displacement.
Competitors:
Competes with similarly sized ATVs from brands such as Kymco, Polaris (Sportsman 90/110), Arctic Cat (Alterra 90), and Yamaha (Grizzly 90).
Ease Of Use:
Designed for user-friendliness and accessibility, making them suitable for less experienced riders.
Recreational Focus:
Primarily aimed at recreational trail riding, light utility tasks, and family enjoyment.
Technical Resource:
Provides essential technical data and procedures for owners and mechanics to maintain and repair the Hyosung WOW 90/100 effectively.
Engine System:
Detailed diagnostics, repair, and overhaul procedures for the engine assembly, including top-end, bottom-end, cooling, and lubrication systems.
Fuel System:
Covers carburetor or fuel injection system (if applicable), fuel pump, fuel lines, fuel tank, and related components.
Electrical System:
Includes wiring diagrams, starter system, ignition system, lighting, battery, charging system, and electronic components.
Chassis System:
Details on frame, suspension (front and rear), steering system, wheels, and tires.
Braking System:
Information on brake calipers, brake pads, brake lines, master cylinder, and brake system bleeding procedures.
Drivetrain System:
Includes information on the transmission, final drive, drive shafts, and associated components.
Bodywork And Trim:
Procedures for body panel removal and installation, plastic components, and seat servicing.
General Information:
Introduction to the manual, safety precautions, vehicle identification, general specifications, and recommended tools.
Periodic Maintenance:
Scheduled maintenance tasks, inspection points, lubrication requirements, and replacement intervals for filters, fluids, and wear items.
Engine Repair:
Step-by-step instructions for engine disassembly, inspection, repair, and reassembly, including piston, cylinder, crankshaft, and valve train servicing.
Fuel System Servicing:
Carburetor adjustment and cleaning, fuel injector cleaning (if applicable), fuel filter replacement, and fuel line integrity checks.
Electrical Diagnostics:
Troubleshooting guides for electrical issues, component testing procedures, and wiring harness repair.
Chassis Alignment And Adjustment:
Wheel alignment specifications, suspension component checks and replacement, and steering linkage adjustments.
Braking System Maintenance:
Brake pad replacement, brake caliper service, brake fluid flush and replacement, and brake system troubleshooting.
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon faults, with symptom-based troubleshooting charts.
Depth Of Coverage:
Comprehensive, covering everything from routine maintenance and fluid changes to complete engine rebuilds and advanced electrical diagnostics.
Target Audience:
Professional technicians and experienced DIY mechanics.
File Format:
Portable Document Format (PDF)
Searchability:
Typically contains searchable text for efficient information retrieval.
Printability:
Designed for printing, allowing users to create a physical copy for workshop use.
Image Resolution:
High-resolution images, diagrams, and schematics for clarity.
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Engine Type:
Air-cooled, 4-stroke, single-cylinder (typical for this displacement class).
Displacement:
Approximately 90cc to 100cc (specific to WOW 90 and WOW 100 variants).
Bore X Stroke:
Specific dimensions would be detailed in the manual, crucial for engine rebuilds. Example: ~47mm x 51.8mm (for a 90cc class engine).
Compression Ratio:
Typically around 9.0:1 to 10.0:1. Manual will provide exact specification.
Horsepower:
Estimated 5-7 HP. Exact figures depend on specific tuning and variant. Manual will provide peak output and operating RPM.
Torque:
Estimated 4-6 lb-ft. Manual will provide torque curve and peak torque RPM.
Fuel Delivery:
Likely Carburetor. Specific model and jetting details will be in the manual. May include options for EFI on later or specific market variants.
Fuel Type:
Unleaded gasoline.
Oil Type:
API SG, SJ, SL or equivalent 4-stroke motorcycle oil. Specific viscosity grade (e.g., SAE 10W-40) will be listed.
Oil Capacity:
Typically around 0.8 - 1.0 liters. Manual will provide exact capacity with and without filter change.
Length:
Approximately 1400-1600 mm. Manual will provide exact dimensions.
Width:
Approximately 800-950 mm. Manual will provide exact dimensions.
Height:
Approximately 900-1050 mm. Manual will provide exact dimensions.
Dry Weight:
Approximately 90-120 kg. Manual will specify exact dry weight.
Fuel Capacity:
Typically 4-6 liters. Manual will provide exact fuel tank capacity.
Front Tire Size:
e.g., AT16x7-7 or AT19x7-7. Manual will specify exact sizes and recommended pressures.
Rear Tire Size:
e.g., AT16x8-7 or AT18x9.5-8. Manual will specify exact sizes and recommended pressures.
Wheel Bolt Pattern:
Typically 4x110mm or similar small ATV pattern. Manual will confirm.
Atv Safety Standards:
Designed to meet relevant ATV safety standards for its class, though specific certifications vary by market.
Throttle Limiter:
Many youth-oriented ATVs include a throttle limiter screw to control speed. Manual will detail its function and adjustment.
Speed Governor:
Potential electronic or mechanical governor to limit top speed. Manual will cover its operation.
Flag Mount:
Provision for a safety flag for increased visibility. Manual might recommend its use.
Rollover Protection:
Standard ATV design inherent stability, though not equipped with roll cages found on UTVs.
Display:
Basic LCD or analog instrument cluster showing speed, RPM, and basic indicators (e.g., oil, neutral, high beam).
Lighting System:
Typically includes headlights, taillight, and brake lights for visibility and signaling.
Charging Port:
May include a 12V accessory outlet for charging devices. Manual will detail its availability and limitations.
Oil Change Interval:
Typically every 100 hours or annually, whichever comes first. Manual will specify.
Air Filter Cleaning:
Every 20 hours or monthly. Manual will detail cleaning and oiling procedures.
Spark Plug Replacement:
Typically every 500 hours or annually. Manual will list correct spark plug type and gap.
Valve Clearance Check:
Recommended every 1000 hours or biennially. Manual will provide specifications and adjustment procedures.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid. Manual will confirm specific recommendation.
Coolant Type:
If liquid-cooled variant exists, otherwise N/A. For air-cooled, focus is on engine oil. Manual will clarify.
Gear Oil Type:
Manual will specify gear oil for final drive and transmission if separate. Typically SAE 80W-90 or equivalent.
Carburetor Fouling:
Common with small displacement engines stored for extended periods. Manual covers cleaning and adjustment.
Cvt Belt Wear:
Belts can wear over time and require replacement. Manual will outline inspection and replacement procedures.
Electrical Connection Corrosion:
Especially in off-road environments. Manual provides guidance on checking and protecting connections.
Manufacturer:
Hyosung (now S&T Motors, and later part of KKR Group, with ATV manufacturing often linked to partners).
Origin:
South Korean manufacturer known for motorcycles, scooters, and ATVs.
Product Line:
Part of Hyosung's recreational ATV offerings, targeted at the smaller displacement segment.
Production Period:
Produced during the 2000s and early 2010s. Specific model years covered by the manual will be indicated.
Manufacturing Location:
Primarily manufactured in South Korea.
Industry Recognition:
As a model in the entry-level ATV segment, specific industry awards are less common; its success is measured by market penetration and customer satisfaction in its niche.
Consumer Ratings:
User reviews often highlight ease of use, suitability for younger riders, and value for money. Detailed technical ratings are typically found in comparative ATV reviews.
Safety Certifications:
Meets relevant national and international safety standards for ATVs (e.g., ANSI in the US, CE in Europe), depending on the market of sale. Manual will not typically list certifications.
