KTM 300 EXC 2015 Maintenance Schedule
The 2015 KTM 300 EXC maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, battery, brake fluid, spark plugs, oil, coolant, air filter, tires and drive chain maintenance. Intervals are shown in kilometres by default and can be switched to miles.
293ccEngine size
52Maintenance items
Official manufacturer manual
Sourced from KTM 2015 125/200/250/300 EXC Owner's Manual (official content, mirrored via en.enduro.team): en.enduro.team
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Final check: check the vehicle for safe operation and take a test ride | Every 20 operating hours | Easy | Road test and final safety check. |
| Check the transmission and shift mechanism | Every 80 operating hours | Expert | Inspect gearbox and shift mechanism. |
| Change all engine bearings | Every 80 operating hours | Expert | Replace all engine crankcase/gearbox bearings. |
| Check that the electrical equipment is functioning properly | Every 20 operating hours | Easy | Check electrical equipment operation. |
| Check and charge the battery | Every 20 operating hours | Easy | Check battery state of charge and charge if necessary. |
| Check the front brake linings | Every 20 operating hours | Easy | Check front brake pad wear. |
| Check the rear brake linings | Every 20 operating hours | Easy | Check rear brake pad wear. |
| Check the brake discs | Every 20 operating hours | Easy | Check front and rear brake disc condition. |
| Check the brake lines for damage and leakage | Every 20 operating hours | Easy | Inspect brake lines/hoses for damage and leaks. |
| Check the rear brake fluid level | Every 20 operating hours | Easy | Check rear brake fluid reservoir level. |
| Check the free travel of the foot brake lever | Every 20 operating hours | Easy | Check and adjust rear brake pedal free play. |
| Check the frame and swingarm | Every 20 operating hours | Moderate | Inspect frame and swingarm for cracks/damage. |
| Check the swingarm bearing | Every 40 operating hours | Moderate | Check swingarm bearing play. |
| Check the heim joints at the top and bottom of the shock absorber | Every 20 operating hours | Moderate | Check shock absorber heim (spherical) joint play, top and bottom. |
| Check the front brake fluid level | Every 20 operating hours | Easy | Check front brake fluid reservoir level. |
| Check the free travel of the hand brake lever | Every 20 operating hours | Easy | Check and adjust front brake lever free play. |
| Check the play of the steering head bearing | Every 20 operating hours | Moderate | Check steering head bearing for play. |
| Change the spark plug and spark plug connector | Every 20 operating hours | Easy | Replace spark plug and spark plug connector. |
| Check the intake diaphragm | Every 20 operating hours | Moderate | Check reed-valve intake diaphragm condition. |
| Check the exhaust control for functioning and smooth operation | Every 40 operating hours | Moderate | Check 2-stroke power-valve exhaust control system operation. |
| Check the clutch | Every 40 operating hours | Moderate | Check clutch operation and wear. |
| Change the gear oil | Every 20 operating hours | Moderate | Change transmission gear oil. |
| Check all hoses and sleeves for cracking, leaks, and incorrect routing | Every 20 operating hours | Easy | Inspect fuel, cooling, bleeder, and drainage hoses/sleeves. |
| Check the antifreeze and coolant level | Every 20 operating hours | Easy | Check coolant level and antifreeze concentration. |
| Check that the throttle cables are undamaged, routed without sharp bends, and set correctly | Every 20 operating hours | Easy | Inspect throttle cable routing and adjustment. |
| Clean the air filter and air filter box | Every 20 operating hours | Easy | Clean air filter element and air filter box. |
| Change the glass fiber yarn filling of the main silencer | Every 20 operating hours | Moderate | Repack main silencer glass-fiber baffling. |
| Check the screws and nuts for tightness | Every 20 operating hours | Easy | Check tightness of accessible fasteners. |
| Check the headlight setting | Every 20 operating hours | Easy | Check and adjust headlight aim. |
| Check the idle | Every 20 operating hours | Easy | Check idle speed. |
| Make the service entry in the KTM Dealer.net and in the Service and Warranty Booklet | Every 20 operating hours | Easy | Record service in dealer system and booklet. |
| Change the front brake fluid | Every 12 months | Moderate | Drain and replace front brake fluid. |
| Change the rear brake fluid | Every 12 months | Moderate | Drain and replace rear brake fluid. |
| Change the hydraulic clutch fluid | Every 12 months | Moderate | Drain and replace hydraulic clutch fluid. |
| Grease the steering head bearing | Every 12 months | Moderate | Disassemble and re-grease steering head bearing. |
| Check/set the carburetor components | Every 12 months · Every 40 operating hours · Replace every 12 months | Moderate | Check and adjust carburetor components. |
| Perform a fork service | Every 40 operating hours | Advanced | Full fork service (oil change, seal inspection). |
| Service the shock absorber | Every 40 operating hours | Advanced | Full shock absorber service (nitrogen charge, oil, seals). |
| Check the starter drive | Every 40 operating hours | Moderate | Check electric starter drive mechanism. |
| Change the piston and check the cylinder | Every 80 operating hours | Advanced | Replace piston/rings, inspect cylinder bore. |
| Change the connecting rod, conrod bearing, and crank pin | Every 80 operating hours | Expert | Replace connecting rod, big-end bearing, and crank pin -- bottom-end rebuild. |
| Check the cables for damage and routing without sharp bends | Every 20 operating hours | Easy | Inspect control cables for damage/kinks. |
| Check the tire condition | Every 20 operating hours | Easy | Check tire tread and casing condition. |
| Check the tire air pressure | Every 20 operating hours | Easy | Check and correct tire pressure. |
| Check the wheel bearing for play | Every 20 operating hours | Moderate | Check front/rear wheel bearing play. |
| Check the wheel hubs | Every 20 operating hours | Easy | Check wheel hub condition. |
| Check the rim run-out | Every 20 operating hours | Moderate | Check wheel rim trueness. |
| Check the spoke tension | Every 20 operating hours | Easy | Check and correct spoke tension. |
| Check the chain, rear sprocket, engine sprocket, and chain guide | Every 20 operating hours | Easy | Inspect drive chain, rear sprocket, engine sprocket, and chain guide for wear. |
| Check the chain tension | Every 20 operating hours | Easy | Check and adjust chain tension. |
| Grease all moving parts | Every 20 operating hours | Easy | Grease side stand, hand lever pivots, chain, and other moving parts; check for smooth operation. |
| Check/correct the fluid level of the hydraulic clutch | Every 20 operating hours | Easy | Check and correct hydraulic clutch fluid reservoir level. |
No maintenance items match your search.
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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