Segment:
Mid-size cruiser motorcycle segment.
Manufacturer Focus:
KYMCO (Kwang Yang Motor Co., Ltd.) is a Taiwanese manufacturer known for its scooters, motorcycles, and ATVs.
Design Philosophy:
The Venox 250 is styled as a cruiser, often featuring a V-twin engine, relaxed riding position, and classic styling elements.
Target Audience:
Owners and independent repair shops seeking detailed, accurate information for maintaining and repairing the KYMCO Venox 250.
Competitors:
Competes with other 250cc cruisers from brands like Honda (Shadow series), Kawasaki (Vulcan series), and Yamaha (Virago/V-Star series).
Engine:
Complete overhaul, maintenance, tuning, troubleshooting, and component replacement for the 250cc V-twin engine.
Fuel System:
Carburetor or fuel injection system diagnosis, cleaning, adjustment, and component replacement.
Ignition System:
Spark plug service, ignition coil inspection, CDI unit testing, and timing adjustments.
Cooling System:
Radiator, coolant flow, fan operation, thermostat replacement, and coolant fluid specifications.
Transmission Clutch:
Clutch assembly (friction plates, steel plates, springs), gearbox maintenance, and fluid changes.
Drivetrain:
Final drive (chain or belt) inspection, lubrication, adjustment, and replacement procedures.
Suspension Front:
Front fork disassembly, seal replacement, oil level and type specification, spring inspection, and steering head bearing service.
Suspension Rear:
Rear shock absorber adjustment, inspection, and replacement; swingarm bearing maintenance.
Braking System Front:
Brake caliper service, pad replacement, hydraulic system bleeding, master cylinder inspection, and rotor maintenance.
Braking System Rear:
Rear brake caliper/drum service, pad/shoe replacement, hydraulic system bleeding, and master cylinder inspection.
Wheels Tires:
Tire pressure recommendations, wheel bearing service, and tire replacement procedures.
Electrical System Lighting:
Headlight, taillight, turn signals, and indicator lamp maintenance and replacement.
Electrical System Charging:
Alternator/stator testing, rectifier/regulator testing, and battery maintenance/testing.
Electrical System Starting:
Starter motor inspection and replacement, solenoid testing.
Electrical System Wiring Harness:
Comprehensive electrical schematics with detailed routing and component identification.
Bodywork Frame:
Fairing removal and installation, seat maintenance, fuel tank servicing, and frame inspection.
Controls:
Throttle cable adjustment, brake lever adjustment, clutch lever adjustment, and handlebar replacement.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, coolant level checks, brake fluid checks.
Scheduled Maintenance:
Detailed service intervals for all major components and systems.
Troubleshooting Diagnostics:
Step-by-step guides for identifying and resolving common and uncommon mechanical and electrical issues.
Disassembly Assembly:
Complete, illustrated procedures for dismantling and reassembling all major vehicle components and systems.
Engine Rebuilding:
Detailed instructions for engine overhauls, including piston replacement, cylinder honing, valve adjustments, and gasket replacement.
Electrical Troubleshooting:
Utilizing electrical schematics to diagnose circuit faults, short circuits, and open circuits.
Part Replacement:
Specific instructions for replacing individual components with OEM part numbers where available.
Depth:
Comprehensive, covering everything from basic owner maintenance to full engine rebuilds and advanced electrical diagnostics.
Illustration Quality:
High quality, with hundreds of images and detailed electrical diagrams to illustrate processes.
Type:
V-twin, four-stroke
Displacement:
Approximately 249cc (exact specification may vary by year/market, typically around 246cc)
Bore X Stroke:
Typical for this class, e.g., around 49.2 mm x 66 mm (refer to manual for exact figures).
Valve Configuration:
SOHC or DOHC, 2 or 4 valves per cylinder (manual will specify).
Horsepower:
Estimated 16-20 HP at around 7500-8000 RPM (refer to manual for exact figures).
Torque:
Estimated 18-20 Nm at around 6000-7000 RPM (refer to manual for exact figures).
Carburetion:
Likely dual carburetors (e.g., 26-28mm Keihin or similar), or electronic fuel injection (EFI) on later models.
Fuel Type:
Unleaded gasoline
Cooling Method:
Liquid-cooled
Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 motorcycle-specific oil (refer to manual for precise recommendation).
Oil Capacity:
Approximately 1.5-2.0 liters with filter change (refer to manual for exact figure).
Length:
Approximately 2150 mm (refer to manual for exact figures).
Width:
Approximately 800 mm (refer to manual for exact figures).
Height:
Approximately 1100 mm (refer to manual for exact figures).
Dry Weight:
Approximately 170-180 kg (refer to manual for exact figures).
Wet Weight:
Approximately 185-195 kg (including fluids and fuel).
Fuel Capacity:
Approximately 14-16 liters (refer to manual for exact figures).
Front Tire Size:
Typically 110/90-16 or similar.
Rear Tire Size:
Typically 150/90-15 or similar.
Wheel Bolt Pattern:
Standard motorcycle bolt patterns; specific details in manual.
Initial Service:
Typically at 1000 km or 1 month (refer to manual).
Regular Maintenance:
Scheduled inspections and replacements every 4000-6000 km or annually (refer to manual for specific intervals for oil, filters, spark plugs, valve clearance, etc.).
Belt Drive Maintenance:
Specific interval for belt tension check, cleaning, and replacement (if applicable, typically higher mileage than chain).
Engine Oil:
SAE 10W-40 or 20W-50, API SG or higher motorcycle oil.
Coolant:
Ethylene glycol-based antifreeze mixture (50/50 with distilled water) for liquid-cooled engines.
Brake Fluid:
DOT 4 hydraulic brake fluid.
Final Drive Oil:
If separate from engine oil, refer to manual for specific type (e.g., gear oil).
Common Wear Items:
Clutch plates, brake pads, tires, fork seals, drive belt (if applicable).
Potential Issues:
Carburetor synchronization (if applicable), electrical connections, cooling system leaks, charging system issues (rectifier/regulator).
Parts Listing Scope:
The manual title includes 'Lista Parti', indicating it likely contains part numbers and diagrams for component identification and ordering.
Kymco Founding:
KYMCO was founded in 1964.
Kymco Reputation:
Known for producing reliable and affordable vehicles, often with a focus on scooters, but also expanding into motorcycles and ATVs.
Venox Introduction:
The Venox 250 was introduced in the early 2000s as KYMCO's entry into the mid-size cruiser market.
Model Updates:
Likely received minor updates over its production run regarding styling, minor mechanical adjustments, and potentially emissions compliance.
Manufacturing Location:
Manufactured by KYMCO in Taiwan.
Production Years:
Production spanned roughly from the early 2000s into the late 2000s/early 2010s, depending on market availability. Specific model years covered by this manual are not listed but are typically for the primary production run of the Venox 250.