Haojue VN125 Maintenance Schedule Guide
The Haojue VN125, known in some markets as the Suzuki GN125, is a popular motorcycle due to its combination of style, performance, and affordability. It is favored by riders for its reliability, fuel efficiency, and ease of handling, making it an ideal choice for both beginners and experienced riders.
Why People Love It
- Stylish Design: The VN125 features a modern and sleek design that appeals to a wide range of riders.
- Fuel Efficiency: Known for its excellent fuel economy, the VN125 is cost-effective for daily commuting.
- Reliability: With a robust build and dependable performance, the VN125 requires minimal maintenance.
- Comfort: Ergonomically designed for a comfortable ride, even on longer journeys.
- Affordability: Offers great value for money with low running costs and affordable parts.
Technical Specifications
First Generation
- Engine Type: Single Cylinder, Air-cooled, 4-Stroke
- Displacement: 124cc
- Bore × Stroke: 53.5mm × 55.2mm
- Compression Ratio: 9.6:1
- Maximum Power: 6.2kW at 7000 rpm
- Maximum Torque: 9.0N·m at 6000 rpm
- Fuel System: Carburetor
- Transmission: 5-Speed, Return Shift
- Starter: Electric/Kick
- Ignition: TDI
- Fuel Tank Capacity: 10.5L
- Brakes: Front: Disc, Rear: Drum
- Tire Sizes: Front: 2.75-18, Rear: 3.25-18
Second Generation
- Engine Type: Single Cylinder, Air-cooled, 4-Stroke
- Displacement: 124cc
- Bore × Stroke: 52.4mm × 57.9mm
- Compression Ratio: 9.3:1
- Maximum Power: 6.6kW at 7500 rpm
- Maximum Torque: 10.0N·m at 5000 rpm
- Fuel System: Fuel Injection (FI)
- Transmission: 5-Speed, Return Shift
- Starter: Electric/Kick
- Ignition: TDI
- Fuel Tank Capacity: 10.5L
- Brakes: Front: Disc, Rear: Drum
- Tire Sizes: Front: 2.75-18, Rear: 3.25-18
Fluid Specifications
- Engine Oil: SAE 10W-40, 1.0L capacity
- Brake Fluid: DOT 4
- Coolant: Not applicable (air-cooled engine)
- Transmission Oil: Integrated with engine oil (automatic transmission)
Maintenance Schedule
Every 1,000 km or 6 months
- Engine Oil: Check and replace if necessary
- Brake Fluid: Check level and top up if needed
- Tire Pressure: Check and adjust
- Battery: Check and clean terminals
Every 3,000 km or 12 months
- Engine Oil: Replace
- Air Filter: Clean or replace
- Spark Plug: Inspect and clean or replace
- Chain: Check tension and lubricate
- Brake Pads/Shoes: Inspect for wear and replace if necessary
Every 6,000 km or 18 months
- Fuel Filter: Replace
- Valve Clearance: Check and adjust
- Throttle and Clutch Cables: Inspect and lubricate
- Suspension: Check for leaks and proper operation
Every 12,000 km or 24 months
- Brake Fluid: Replace
- Wheel Bearings: Inspect and lubricate
- Steering Head Bearings: Check and adjust
- Exhaust System: Inspect for leaks and damage
Maintenance-Related Questions and Answers
- How often should I change the engine oil?
- Every 3,000 km or 12 months, whichever comes first.
- What type of engine oil should I use?
- SAE 10W-40.
- How do I check the brake fluid level?
- Locate the brake fluid reservoir, check the fluid against the marked levels, and top up with DOT 4 if necessary.
- When should I replace the air filter?
- Every 3,000 km or 12 months, or sooner if riding in dusty conditions.
- How do I know if the spark plug needs replacing?
- Inspect the spark plug every 3,000 km. Replace if it shows signs of wear, fouling, or damage.
- What is the correct tire pressure for the VN125?
- Refer to the owner’s manual for specific tire pressure recommendations, typically around 29 psi for the front and 33 psi for the rear.
- How often should I check the chain tension?
- Every 1,000 km or 6 months, and lubricate as needed.
- When should the brake pads be inspected?
- Every 3,000 km or 12 months, and replace if worn.
- How do I adjust the valve clearance?
- This should be done every 6,000 km or 18 months by a qualified technician.
- What should I do if my VN125 is hard to start?
- Check the battery, spark plug, and fuel system. If the problem persists, consult a professional mechanic.
By following this comprehensive maintenance schedule, you can ensure that your Haojue VN125 remains in optimal condition, providing reliable and enjoyable performance for years to come.