Read this first. Every value on this page is typical or indicative for the 650cc V-twin cruiser 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 | 60–90° V-twin, liquid-cooled, SOHC/DOHC 8-valve (typical; confirm) |
| Displacement | ≈ 650 cc |
| Fuel system | EFI |
| Rated output | ≈ 35–45 kW (48–60 hp) |
| Final drive | Belt (most) or chain |
| Fuel | 92–95 RON; tank 14–18 L |
Catalog models on this platform: 650cc V-Twin Cruiser. Model-specific figures are on each model page.
Fluids & capacities
| Engine oil | 10W-40 JASO MA2; ≈ 2.8–3.2 L |
| Coolant | ≈ 1.8–2.2 L |
| Brake fluid | DOT 4 |
Break-in
- 0–500 km below 4,500 rpm.
- 500–1,000 km up to 6,000 rpm.
- First service 1,000 km: oil, filter, belt tension check.
Maintenance schedule
| Item | First | Then every | Notes |
|---|---|---|---|
| Engine oil & filter | 1,000 km | Every 5,000 km | |
| Valve clearance | 1,000 km | Every 12,000 km | |
| Drive belt | 1,000 km | Inspect tension every 5,000 km; replace ≈ 40,000 km or if cracked | Deflection typically 5–10 mm at 4.5 kg |
| Spark plugs | — | 12,000 km | |
| Air filter | — | 12,000 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 | ≈ 95–110 Nm |
| Belt pulley bolts | ≈ 45–55 Nm |
| Caliper | ≈ 28 Nm |
| Drain plug | ≈ 25 Nm |
| Note | Indicative values for this class of machine. Use the value printed in the supplied manual if it differs. |
Tire pressures
| Cruiser 18" / 15–16" | 2.25 bar front / 2.5 bar rear; loaded 2.5 / 2.8 |
Common issues
| Symptom | Likely cause | Fix |
|---|---|---|
| Belt squeal | Belt too tight after assembly or debris on the pulley. | Set deflection per manual; clean pulleys. |
| Won’t start after shipping | Battery / fuel. | Charge; fresh fuel; prime. |
| Chrome pitting in coastal / Gulf climates | Salt air. | Wax chrome on PDI; keep showroom units covered. |
Fast-moving parts (recommended per 10 units)
| Part | Per 10 units | Note |
|---|---|---|
| Oil filter | 20 | |
| Spark plugs | 20 | |
| Brake pads | 10 sets | |
| Mirrors & levers | 5 / 10 | |
| Drive belt | 1 | |
| Indicators | 10 |
Tools & safety
Workshop tools
- Metric tool kit
- Belt tension gauge
- Torque wrench
- Charger
Safety notes
- Belt drives: never pry the belt over the pulley with a screwdriver — it cuts the cords.
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.