Harley Davidson motorcycles are some of the most beautiful bikes in the world, and many people enjoy owning one. However, Harley Davidson motorcycles require a lot of maintenance that is not required for other types of bikes. This blog post will help you know what type of maintenance your Harley requires and when it needs to be completed so you don’t have any issues on your next ride!
Your Harley-Davidson motorcycle needs to be serviced at a specified time interval. The following charts will help you identify what type of service your Harley-Davidson requires, how often it needs to be performed, and the mileage at which these services should be completed.
Table of Contents
| ITEM SERVICED | 1000 mi 1600 km | 5000 mi 8000 km | 10000 mi 16000 km | 15000 mi 24000 km | 20000 mi 32000 km | 25000 mi 40000 km | 30000 mi 48000 km | 35000 mi 56000 km | 40000 mi 64000 km | 45000 mi 72000 km | 50000 mi 80000 km |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Check operation of electrical equipment and switches | X | X | X | X | X | X | X | X | X | X | X |
| Check front tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Check front wheel spoke torque (if equipped) | X | X | X | X | X | ||||||
| Inspect front brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 front brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Adjust steering head bearings | X | X | X | X | X | X | |||||
| Lubricate steering head bearings | X | ||||||||||
| Check, adjust and lubricate throttle controls | X | X | X | X | X | X | X | X | X | X | X |
| Check upper and lower switch housing screw torque | X | X | X | X | X | X | |||||
| Inspect air cleaner, service as required | X | X | X | X | X | X | X | X | X | X | |
| Replace engine oil and filter | X | X | X | X | X | X | X | X | X | X | X |
| Check primary chain adjustment | X | X | X | X | X | X | X | X | X | X | X |
| Replace transmission lubricant | X | X | X | X | X | X | |||||
| Inspect oil lines and brake system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect fuel lines and fittings for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Check upper front stabilizer link to engine bracket mounting screw torque | X | X | X | X | X | X | |||||
| Check front isolator mounting bolt and nut torque | X | X | X | X | X | X | |||||
| Inspect rear brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT 4 rear brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Brake system | Flush brake system and replace DOT 4 hydraulic brake fluid every two years or sooner if moisture content is 3% or greater 2 | ||||||||||
| Inspect brake pads and discs for wear | X | X | X | X | X | X | X | X | X | X | X |
| Check front axle nut torque | X | X | X | X | X | X | |||||
| Check brake banjo bolt torque | X | X | X | X | X | X | |||||
| Inspect and lubricate jiffy stand | X | X | X | X | X | X | X | X | X | X | X |
| Check clutch adjustment | X | X | X | X | X | X | X | X | X | X | X |
| Check, adjust and lubricate brake and clutch controls | X | X | X | X | X | X | X | X | X | X | X |
| Check rear wheel spoke torque (if equipped) | X | X | X | X | X | ||||||
| Check rear tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect drive belt and sprockets, adjust belt | X | X | X | X | X | X | X | X | X | X | X |
| Check rear axle nut torque | X | X | X | X | X | X | |||||
| Inspect exhaust system for leaks, cracks and loose or missing fasteners or exhaust shields | X | X | X | X | X | X | X | X | X | X | X |
| Battery | Check battery, terminal torque and clean connections annually. | ||||||||||
| Spark plugs | Replace spark plugs every two years or every 30,000 mi (48,000 km), whichever comes first. | ||||||||||
| Rebuild front forks | X | ||||||||||
| Fuel filter | Replace fuel filter element every 100000 mi (161,000 km). | ||||||||||
| ITEM SERVICED | 1000 mi 1600 km | 5000 mi 8000 km | 10000 mi 16000 km | 15000 mi 24000 km | 20000 mi 32000 km | 25000 mi 40000 km | 30000 mi 48000 km | 35000 mi 56000 km | 40000 mi 64000 km | 45000 mi 72000 km | 50000 mi 80000 km |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Check operation of electrical equipment and switches | X | X | X | X | X | X | X | X | X | X | X |
| Check front tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Check front wheel spoke tightness (if equipped) | X | X | X | X | X | ||||||
| Inspect front brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Inspect clutch fluid system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 clutch fluid and front brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Check hand control fastener switch housing screw torque | X | X | X | X | X | X | |||||
| Check clutch lever handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Check master cylinder handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Inspect, lubricate and adjust steering head bearings | X | X | |||||||||
| Inspect windshield bushings (if equipped) | X | X | X | X | X | ||||||
| Inspect air cleaner, service as required | X | X | X | X | X | X | X | X | X | X | |
| Replace engine oil and filter | X | X | X | X | X | X | X | X | X | X | X |
| Check engine coolant freeze point, inspect for leaks | X | X | X | X | X | X | X | X | X | X | X |
| Coolant | Replace coolant every 30000 mi (48,000 km) | ||||||||||
| Clean radiators or oil cooler | X | X | X | X | X | X | X | X | X | X | X |
| Replace primary chaincase lubricant | X | X | X | X | X | X | |||||
| Replace transmission lubricant | X | X | X | ||||||||
| Inspect oil lines and brake system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect fuel lines and fittings for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT 4 rear brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Brake and clutch systems | Flush brake and clutch systems and replace DOT 4 hydraulic brake and clutch fluids every two years or sooner if moisture content is 3% or greater | ||||||||||
| Inspect brake pads and discs for wear | X | X | X | X | X | X | X | X | X | X | X |
| Check front axle nut torque | X | X | X | X | X | X | |||||
| Inspect and lubricate jiffy stand | X | X | X | X | X | X | X | X | X | X | X |
| Check, adjust and lubricate (with HARLEY LUBE) brake and clutch controls | X | X | X | X | X | X | X | X | X | X | X |
| Check tightness of rear wheel spokes (if equipped) | X | X | X | X | X | ||||||
| Check rear tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect and adjust drive belt and sprockets | X | X | X | X | X | X | X | X | X | X | X |
| Check rear axle nut torque | X | X | X | X | X | X | |||||
| Inspect exhaust system for leaks, cracks and loose, or missing fasteners or exhaust shields | X | X | X | X | X | X | X | X | X | X | X |
| Battery | Check battery, terminal torque and clean connections annually. Lubricate terminals with ELECTRICAL CONTACT LUBRICANT | ||||||||||
| Spark plugs | Replace spark plugs every two years or every 30000 mi (48,000 km), whichever comes first. | ||||||||||
| Lubricate fuel door hinge and latch with HARLEY LUBE | X | X | X | X | X | X | X | X | X | X | X |
| Rebuild front forks | X | ||||||||||
| Fuel filter | Replace fuel filter every 100000 mi (161,000 km) | ||||||||||
| Rear sprocket isolators | Inspect rear sprocket isolators for wear at each rear tire change. | ||||||||||
| ITEM SERVICED | 1000 mi 1600 km | 5000 mi 8000 km | 10000 mi 16000 km | 15000 mi 24000 km | 20000 mi 32000 km | 25000 mi 40000 km | 30000 mi 48000 km | 35000 mi 56000 km | 40000 mi 64000 km | 45000 mi 72000 km | 50000 mi 80000 km |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Check operation of electrical equipment and switches | X | X | X | X | X | X | X | X | X | X | X |
| Check front tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Check front wheel spoke torque (if equipped) | X | X | X | X | X | ||||||
| Inspect front brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 front brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Adjust steering head bearings | X | X | X | X | X | X | |||||
| Lubricate steering head bearings | X | ||||||||||
| Inspect windshield bushings (if applicable) | X | X | X | X | X | ||||||
| Check upper and lower switch housing screw torque | X | X | X | X | X | X | |||||
| Check clutch lever handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Check master cylinder handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Inspect air cleaner, service as required | X | X | X | X | X | X | X | X | X | X | |
| Replace engine oil and filter | X | X | X | X | X | X | X | X | X | X | X |
| Clean and inspect oil cooler | X | X | X | X | X | X | X | X | X | X | X |
| Replace primary chaincase lubricant | X | X | X | X | X | X | |||||
| Replace transmission lubricant | X | X | X | ||||||||
| Inspect oil lines and brake system for leaks, contact, or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect fuel lines and fittings for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT 4 rear brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Inspect brake pads and discs for wear | X | X | X | X | X | X | X | X | X | X | X |
| Check front axle torque | X | X | X | X | X | X | |||||
| Inspect and lubricate jiffy stand | X | X | X | X | X | X | X | X | X | X | X |
| Check clutch adjustment | X | X | X | X | X | X | X | X | X | X | X |
| Check, adjust and lubricate brake and clutch controls | X | X | X | X | X | X | X | X | X | X | X |
| Check rear wheel spoke torque (if equipped) | X | X | X | X | X | ||||||
| Check rear tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Check drive belt slot spacer screw torque | X | X | X | X | X | X | |||||
| Inspect drive belt and sprockets, adjust belt | X | X | X | X | X | X | X | X | X | X | X |
| Check rear axle nut torque | X | X | X | X | X | X | |||||
| Inspect exhaust system for leaks, cracks, and loose or missing fasteners or exhaust shields | X | X | X | X | X | X | X | X | X | X | X |
| Battery | Check battery, terminal torque and clean connections annually. | ||||||||||
| Spark plugs | Replace spark plugs every two years or every 30000 mi (48,000 km), whichever comes first. | ||||||||||
| Front forks | Disassemble, inspect, rebuild front forks and replace fork oil every 50000 mi (80,000 km). | ||||||||||
| Fuel filter | Replace fuel filter every 100000 mi (161,000 km). 2, 4 | ||||||||||
| Brake system | Flush brake and clutch systems and replace DOT 4 hydraulic brake and clutch fluids every two years or sooner if moisture content is 3% or greater | ||||||||||
| ITEM SERVICED | 1000 mi 1600 km | 5000 mi 8000 km | 10000 mi 16000 km | 15000 mi 24000 km | 20000 mi 32000 km | 25000 mi 40000 km | 30000 mi 48000 km | 35000 mi 56000 km | 40000 mi 64000 km | 45000 mi 72000 km | 50000 mi 80000 km |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Check operation of electrical equipment and switches | X | X | X | X | X | X | X | X | X | X | X |
| Check front tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect front brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Inspect clutch fluid system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 clutch fluid and front brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Check hand control fastener switch housing screw torque | X | X | X | X | X | X | |||||
| Check clutch lever handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Check front brake handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Inspect, lubricate and adjust steering head bearings | X | ||||||||||
| Check hydraulic steering damper for leaks, smooth damper action and mounting fastener torque | X | X | X | X | X | X | X | X | X | X | X |
| Inspect air cleaner, service as required | X | X | X | X | X | X | X | X | X | X | |
| Replace engine oil and filter | X | X | X | X | X | X | X | X | X | X | X |
| Check oil pan fastener torque | X | ||||||||||
| Check engine coolant freeze point, inspect for leaks | X | X | X | X | X | X | X | X | X | X | X |
| Coolant | Replace coolant every 30,000 mi (48,000 km) | ||||||||||
| Clean radiators or oil cooler | X | X | X | X | X | X | X | X | X | X | X |
| Replace primary chaincase lubricant | X | X | X | X | X | X | |||||
| Replace transmission lubricant | X | X | X | ||||||||
| Inspect oil lines and brake system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect fuel lines and fittings forleaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 rear brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Brake and clutch systems | Flush brake and clutch systems and replace DOT 4 hydraulic brake and clutch fluids every two years or sooner if moisture content is 3% or greater | ||||||||||
| Inspect brake pads and discs for wear | X | X | X | X | X | X | X | X | X | X | X |
| Check, adjust and lubricate (with HARLEY LUBE) brake and clutch controls | X | X | X | X | X | X | X | X | X | X | X |
| Inspect and adjust parking brake | X | X | X | X | X | X | X | X | X | X | X |
| Check rear tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect and adjust drive belt and sprockets | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear sprocket isolators for wear | X | X | |||||||||
| Check rear lug nut torque | X | X | X | X | X | X | |||||
| Check rear fork pivot shaft nut torque | X | X | X | X | X | X | |||||
| Inspect exhaust system for leaks, cracks and loose, or missing fasteners or exhaust shields | X | X | X | X | X | X | X | X | X | X | X |
| Battery | Check battery, terminal torque and clean connections annually. Lubricate terminals with ELECTRICAL CONTACT 1 LUBRICANT. | ||||||||||
| Spark plugs | Replace spark plugs every two years or every 30,000 mi (48,000 km), whichever comes first. | ||||||||||
| Lubricate fuel door hinge and latch with HARLEY LUBE | X | X | X | X | X | X | X | X | X | X | X |
| Lubricate trunk lock and latch with HARLEY LUBE | X | X | X | X | X | X | X | X | X | X | X |
| Rebuild front forks | X | ||||||||||
| Fuel Filter | Replace fuel filter every 100,000 mi (161,000 km). | ||||||||||
| Check reverse operation at each service interval | X | X | X | X | X | X | X | X | X | X | X |
| ITEM SERVICED | 1000 mi 1600 km | 5000 mi 8000 km | 10000 mi 16000 km | 15000 mi 24000 km | 20000 mi 32000 km | 25000 mi 40000 km | 30000 mi 48000 km | 35000 mi 56000 km | 40000 mi 64000 km | 45000 mi 72000 km | 50000 mi 80000 km |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Replace engine oil and filter | X | X | X | X | X | X | X | X | X | X | X |
| Check front tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Check front brake pads and discs for wear | X | X | X | X | X | X | X | X | X | X | X |
| Inspect and lubricate front brake caliper pins and bushings | X | X | X | X | X | X | X | X | X | X | X |
| Check front brake systemfor leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Repair front brake systemas necessary | X | X | X | X | X | X | X | X | X | X | X |
| Check front brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 front brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Check and adjust throttle cables | X | X | X | X | X | X | X | X | X | X | X |
| Lubricate throttle cables | X | X | X | X | X | X | X | X | X | X | X |
| Check and adjust brake and clutch controls | X | X | X | X | X | X | X | X | X | X | X |
| Lubricate brake and clutch controls | X | X | X | X | X | X | X | X | X | X | X |
| Rebuild front forks and replace fork oil | X | ||||||||||
| Adjust steering head bearings | X | X | X | ||||||||
| Lubricate steering head bearings | X | X | |||||||||
| Clean radiator | X | X | X | X | X | X | X | X | X | X | X |
| Check cooling system for leaks and check clamps for tightness | X | X | X | X | X | X | X | X | X | X | X |
| Check coolant level | X | X | X | X | X | X | X | X | X | X | X |
| Check coolant freeze point | X | X | X | X | X | X | X | X | X | X | X |
| Coolant | Replace coolant every 30000 mi (48,000 km). | ||||||||||
| Check fuel lines and fittings for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Repair fuel lines and fittings as necessary | X | X | X | X | X | X | X | X | X | X | X |
| Check and lubricate jiffy stand | X | X | X | X | X | X | X | X | X | X | X |
| Clean and lubricate shift and brake levers, inspect for wear | X | X | |||||||||
| Inspect rear fork bearing | X | X | |||||||||
| Inspect drive belt and sprockets, adjust belt | X | X | X | X | X | X | X | X | X | X | X |
| Check rear tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear shock absorber bushings for wear and cracks | X | X | |||||||||
| Check rear brake pads and disc for wear | X | X | X | X | X | X | X | X | X | X | X |
| Check rear brake system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Repair rear brake system as necessary | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear brake caliper and lubricate pins and bushings | X | X | X | X | X | X | X | X | X | X | X |
| Check rear brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 rear brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Brake system | Flush brake system and replace DOT 4 hydraulic brake fluid every two years or sooner if moisture content is 3% or greater. | ||||||||||
| Check exhaust system for leaks, cracks and loose or missing fasteners or exhaust shields | X | X | X | X | X | X | X | X | X | X | X |
| Repair exhaust system as necessary | X | X | X | X | X | X | X | X | X | X | X |
| Inspect air cleaner filter, service as required | X | X | X | X | X | X | X | X | X | X | X |
| Lubricate fuel cap lock | X | X | X | X | X | X | X | X | X | X | X |
| Inspect valve lash, adjust necessary | X | X | X | ||||||||
| Battery | Check battery, terminal torque and clean connections annually. 1 | ||||||||||
| Spark plugs | Replace spark plugs every two years or every 30000 mi (48,000 km), whichever comes first. | ||||||||||
| Check operation of electrical equipment and switches | X | X | X | X | X | X | X | X | X | X | X |
| ITEM SERVICED | 1000 mi 1600 km | 5000 mi 8000 km | 10000 mi 16000 km | 15000 mi 24000 km | 20000 mi 32000 km | 25000 mi 40000 km | 30000 mi 48000 km | 35000 mi 56000 km | 40000 mi 64000 km | 45000 mi 72000 km | 50000 mi 80000 km |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Check operation of electrical equipment and switches | X | X | X | X | X | X | X | X | X | X | X |
| Check front tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect front brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 front brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Check hand control switch housing screw torque | X | X | X | X | X | X | |||||
| Check master cylinder and left side handlebar clamp screw torque | X | X | X | X | X | X | |||||
| Inspect and adjust steering head bearings | X | X | X | X | X | X | |||||
| Lubricate steering head bearings | X | ||||||||||
| Check coolant systemfreeze point and inspect for leaks | X | X | X | X | X | X | X | X | X | X | X |
| Coolant | Replace coolant every 80,000 km (50,000 mi) | ||||||||||
| Clean radiator | X | X | X | X | X | X | X | X | X | X | X |
| Replace transmission lubricant | X | X | X | ||||||||
| Inspect brake system for leaks, contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect high voltage cables for contact or abrasion | X | X | X | X | X | X | X | X | X | X | X |
| Inspect rear brake fluid level | X | X | X | X | X | X | X | X | X | X | X |
| Check DOT4 rear brake fluid for moisture | X | X | X | X | X | X | X | X | X | X | X |
| Brake system flush | Flush brake system and replace DOT 4 hydraulic brake fluid every two years or sooner if moisture content is 3% or greater. | ||||||||||
| Inspect brake pads and discs for wear | X | X | X | X | X | X | X | X | X | X | X |
| Check front axle nut torque | X | X | X | X | X | X | |||||
| Inspect and lubricate jiffy stand | X | X | X | X | X | X | X | X | X | X | X |
| Lubricate brake controls | X | X | X | X | X | X | X | X | X | X | X |
| Check rear tire pressure, inspect tread | X | X | X | X | X | X | X | X | X | X | X |
| Inspect drive belt and sprockets, adjust belt | X | X | X | X | X | X | X | X | X | X | X |
| Check rear axle torque | X | X | X | X | X | X | |||||
| 12 volt battery | Check battery, terminal torque and clean connections annually. Lubricate terminals with ELECTRICAL CONTACT LUBRICANT. | ||||||||||
| Rebuild front forks | X | ||||||||||