Yamaha MT-03 321 2016 Maintenance Schedule
The 2016 Yamaha MT-03 321 maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, spark plugs, air filter, tires, drive chain maintenance, oil, coolant, valve clearance and brake fluid. Intervals are shown in kilometres by default and can be switched to miles.
321ccEngine size
42Maintenance items
Official manufacturer manual
Sourced from Yamaha MT-03 2016 Service Manual B08-F8197-E0 (MTN320-A) (this document covers model years 2016–2019): manualslib.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Fuel line inspection | Every 10,000 km · Every 12 months | Easy | Check fuel hoses for cracks or damage. |
| Spark plug check/clean/regap | Every 10,000 km · Replace every 20,000 km | Moderate | Check condition, clean and regap spark plugs; replace at 20000 km. |
| Fuel injection synchronization adjustment | Every 1,000 km (first at 1,000 km) · Every 12 months | Moderate | Adjust synchronization. |
| Muffler and exhaust pipe clamp check | Every 10,000 km (first at 1,000 km) | Easy | Check the screw clamp(s) for looseness. |
| Air induction system check | Every 10,000 km · Every 12 months | Easy–Moderate | Check the air cut-off valve, reed valve, and hose for damage; replace damaged parts if necessary. |
| Air filter check hose cleaning | Every 10,000 km (first at 1,000 km) | Easy | Clean the air filter check hose. |
| Clutch operation check and adjustment | Every 10,000 km (first at 1,000 km) | Easy–Moderate | Check clutch operation and adjust. |
| Front brake inspection | Every 10,000 km (first at 1,000 km) · Every 12 months | Moderate | Check operation, fluid level, and vehicle for fluid leakage (front brake). |
| Front brake pad replacement | See notes | Moderate | Replace front brake pads. |
| Rear brake inspection | Every 10,000 km (first at 1,000 km) · Every 12 months | Moderate | Check operation, fluid level, and vehicle for fluid leakage (rear brake). |
| Rear brake pad replacement | See notes | Moderate | Replace rear brake pads. |
| Brake hose inspection | Every 10,000 km | Moderate | Check brake hoses for cracks or damage, correct routing and clamping. |
| Brake hose replacement | Every 48 months · Replace every 48 months | Moderate | Replace brake hoses. |
| Wheel runout inspection | Every 10,000 km | Moderate | Check wheels for runout and damage. |
| Tire inspection | Every 10,000 km · Every 12 months | Moderate | Check tread depth and for damage, replace if necessary, check and correct air pressure. |
| Wheel bearing inspection | Every 10,000 km | Moderate | Check wheel bearings for looseness or damage. |
| Swingarm inspection | Every 10,000 km | Moderate | Check swingarm operation and for excessive play. |
| Swingarm lubrication | Every 50,000 km | Moderate | Lubricate swingarm with lithium-soap-based grease. |
| Drive chain maintenance | Every 800 km | Easy | Check chain slack, alignment and condition; adjust and lubricate with a special O-ring chain lubricant. |
| Steering bearing play check | Every 10,000 km (first at 1,000 km) | Moderate | Check bearing play and steering for roughness. |
| Steering bearing lubrication | Every 20,000 km | Moderate | Lubricate steering bearings with lithium-soap-based grease. |
| Chassis fastener check | Every 10,000 km · Every 12 months | Easy | Make sure that all nuts, bolts and screws are properly tightened. |
| Brake lever pivot shaft lubrication | Every 10,000 km · Every 12 months | Easy | Lubricate brake lever pivot shaft with silicone grease. |
| Brake pedal pivot shaft lubrication | Every 10,000 km · Every 12 months | Easy | Lubricate brake pedal pivot shaft with lithium-soap-based grease. |
| Clutch lever pivot shaft lubrication | Every 10,000 km · Every 12 months | Easy | Lubricate clutch lever pivot shaft with lithium-soap-based grease. |
| Shift pedal pivot shaft lubrication | Every 10,000 km · Every 12 months | Easy | Lubricate shift pedal pivot shaft with lithium-soap-based grease. |
| Sidestand check and lubrication | Every 10,000 km · Every 12 months | Easy | Check sidestand operation; lubricate with lithium-soap-based grease. |
| Sidestand switch check | Every 10,000 km (first at 1,000 km) · Every 12 months | Easy | Check sidestand switch operation. |
| Front fork inspection | Every 10,000 km | Moderate | Check front fork operation and for oil leakage. |
| Shock absorber inspection | Every 10,000 km | Moderate | Check shock absorber operation and for oil leakage. |
| Engine oil & filter change | Every 5,000 km (first at 1,000 km) | Easy | Change engine oil (when the oil change indicator flashes, roughly every 5000 km). |
| Engine oil level check | Every 12 months | Easy | Check oil level and vehicle for oil leakage. |
| Engine oil filter cartridge replacement | Every 20,000 km (first at 1,000 km) | Easy | Replace engine oil filter cartridge. |
| Cooling system inspection | Every 10,000 km · Every 12 months | Easy–Moderate | Check coolant level and vehicle for coolant leakage. |
| Front and rear brake switch check | Every 10,000 km (first at 1,000 km) · Every 12 months | Easy | Check front and rear brake switch operation. |
| Moving parts and cables lubrication | Every 10,000 km · Every 12 months | Easy | Lubricate moving parts and cables. |
| Throttle grip check, adjust and lubricate | Every 10,000 km · Every 12 months | Easy | Check operation, throttle grip free play, adjust if necessary; lubricate cable and grip housing. |
| Lights, signals and switches check | Every 10,000 km (first at 1,000 km) · Every 12 months | Easy | Check operation of lights, signals and switches; adjust headlight beam. |
| Air filter replacement | Every 20,000 km · Replace every 20,000 km | Easy | Replace air filter element. |
| Valve clearance inspection | Every 40,000 km | Advanced | Check and adjust valve clearance. |
| Brake fluid replacement | Every 10,000 km · Every 24 months · Replace every 24 months | Moderate | Replace brake fluid. |
| Coolant replacement | Every 10,000 km · Every 36 months · Replace every 36 months | Moderate | Change coolant. |
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Easy: basic tools, straightforward Easy–Moderate: varies by task — somewhere between the two Moderate: some mechanical know-how helps Advanced: specialized tools/skill, still DIY-doable Expert: significant experience required Professional: dealer or shop recommended
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