Read this first. Every value on this page is typical or indicative for the 400cc adventure single class, compiled for dealer workshops. Yangtze Moto Export is an export company, not the manufacturer. The owner’s and service manual supplied with each unit prevails wherever it differs; where a value is not printed in your manual, use these as a starting point and confirm by inspection.
Specifications (typical for the platform)
| Type | Single, liquid-cooled, DOHC 4-valve (typical; confirm) |
| Displacement | 373–400 cc |
| Fuel system | EFI |
| Rated output | ≈ 25–30 kW (34–40 hp) |
| Gearbox | 6-speed, chain 520 |
| Fuel | 92–95 RON; tank 16–20 L |
Catalog models on this platform: 400cc Adventure / Touring. Model-specific figures are on each model page.
Fluids & capacities
| Engine oil | 10W-40 JASO MA2; ≈ 1.5–1.8 L |
| Coolant | ≈ 1.3–1.6 L |
| Brake fluid | DOT 4 |
| Fork oil | 10W |
Break-in
- 0–500 km below 5,000 rpm.
- 500–1,000 km up to 7,000 rpm.
- First service at 500–1,000 km.
Maintenance schedule
| Item | First | Then every | Notes |
|---|---|---|---|
| Engine oil & filter | 500–1,000 km | Every 4,000 km | |
| Valve clearance | 1,000 km | Every 8,000 km | |
| Air filter | — | Inspect 4,000 km | |
| Spark plug | — | 12,000 km | |
| Chain | 500 km | Every 1,000 km | |
| Coolant / brake fluid | — | 2 years |
Halve intervals for dust, sand, taxi/cargo duty or track use.
Torque values (indicative)
| Front axle | ≈ 60–70 Nm |
| Rear axle | ≈ 90–100 Nm |
| Sprocket | ≈ 32 Nm |
| Caliper | ≈ 28 Nm |
| Handlebar clamps | ≈ 24 Nm |
| Drain plug | ≈ 22 Nm |
| Note | Indicative values for this class of machine. Use the value printed in the supplied manual if it differs. |
Tire pressures
| 19" / 17" ADV | 2.1 bar front / 2.4 bar rear; loaded 2.3 / 2.8 |
Common issues
| Symptom | Likely cause | Fix |
|---|---|---|
| Won’t start after shipping | Battery / stale fuel / fuel pump plug. | Charge, fresh fuel, check the pump connector under the tank. |
| Pannier racks loose | Crated with racks off; bolts hand-tight. | Torque rack bolts to ≈ 25 Nm with thread-lock. |
| Windscreen cracks at bolt holes | Over-tightened during assembly. | Use the rubber washers supplied; hand-tight + ¼ turn. |
Fast-moving parts (recommended per 10 units)
| Part | Per 10 units | Note |
|---|---|---|
| Oil filter | 20 | |
| Brake pads | 10 sets | |
| Levers / mirrors / indicators | 10 / 5 / 10 | |
| Chain & sprocket set | 3 | |
| Hand guards & windscreen | 3 / 2 | |
| Spark plug | 10 |
Tools & safety
Workshop tools
- Metric tool kit
- Torque wrench
- Feeler gauges
- Charger
Safety notes
- Check luggage-rack load rating (typically 5–10 kg per side).
Missing a value your manual does not print? Send the VIN and the question: WhatsApp +1 646 235 7816. We answer within 48 hours and add the answer to this page.