Yamaha YZ250F 2015 Maintenance Schedule
The 2015 Yamaha YZ250F maintenance schedule below covers the manufacturer's recommended service intervals for valve clearance, drive chain maintenance, general maintenance, oil, air filter, spark plugs, coolant, brake fluid and tires. Intervals are shown in kilometres by default and can be switched to miles.
249ccEngine size
48Maintenance items
Official manufacturer manual
Sourced from ManualsLib (Yamaha YZ250F(E) Owner's Service Manual, tagged 2014) (this document covers model years 2014–2018): manualslib.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Valve seat & valve face inspection | Every 12 operating hours | Advanced | Inspect valve seats and valve faces for wear. |
| Valve spring inspection | Every 12 operating hours | Advanced | Check valve spring free length and tilt; replace as required. |
| Valve lifter inspection | Every 12 operating hours | Advanced | Check valve lifters for scratches and wear; replace as required. |
| Camshaft & decompression system inspection | Every 12 operating hours | Advanced | Inspect camshaft surface and the automatic decompression system; replace as required. |
| Camshaft sprocket inspection | Every 12 operating hours | Advanced | Check camshaft sprocket teeth for wear and damage; replace as required. |
| Piston inspection | See notes | Expert | Inspect piston for cracks; clean carbon deposits; replace piston, pin, clip and rings as a set as required. |
| Piston ring inspection & replacement | See notes | Expert | Check piston ring end gap; replace piston, pin, clip and rings as a set as required. |
| Piston pin inspection | See notes | Expert | Inspect piston pin; replace piston, pin, clip and rings as a set as required. |
| Cylinder head decarbonization | Every 12 operating hours | Expert | Check coolant passages for corrosion; inspect and eliminate carbon deposits; check for warpage and replace gasket as needed. |
| Cylinder inspection | Every 12 operating hours | Expert | Inspect and clean cylinder for score marks; replace (rebore) if worn. |
| Oil filter element replacement | Every 12 operating hours | Easy | Replace oil filter element. |
| Oil strainer cleaning | Every 12 operating hours | Easy | Clean oil strainer. |
| Clutch inspection & adjustment | Every 2 operating hours | Moderate | Inspect clutch housing, friction plate, clutch plate and spring; adjust; replace as required. |
| Transmission inspection | See notes | Expert | Inspect transmission; replace bearings as required. |
| Shift fork / shift cam / guide bar inspection | See notes | Expert | Inspect shift fork, shift cam and guide bar for wear. |
| Generator rotor nut torque check | Every 12 operating hours | Moderate | Retighten generator rotor nut; check tightening torque. |
| Exhaust system inspection & cleaning | Every 2 operating hours | Easy–Moderate | Inspect exhaust leaks and tightening torques after break-in and every race; clean every fifth race; replace fiber packing every third race or when exhaust sound becomes louder/performance drops, whichever comes first. |
| Crankshaft inspection & cleaning | Every 12 operating hours | Expert | Inspect and clean crankshaft. |
| Throttle body inspection | See notes | Moderate | Inspect throttle body. |
| Air filter cleaning & oiling | Every 100 km · Every 2 operating hours | Easy | Clean and lubricate foam air filter element with foam air-filter oil; replace as required. |
| Spark plug inspection & cleaning | Every 7 operating hours | Easy | Check spark plug electrodes and terminals for wear; replace as required. |
| Cooling system inspection | Every 2 operating hours | Easy | Check coolant level and leakage; check radiator cap operation and attachment; inspect hoses. |
| Coolant replacement | Every 24 months · Replace every 24 months | Easy–Moderate | Replace coolant. |
| Engine guard inspection | See notes | Easy | Replace engine guard if broken. |
| Frame cleaning & inspection | Every 2 operating hours | Easy | Clean and inspect frame. |
| Fuel tank & fuel pump inspection | Every 7 operating hours | Easy | Inspect fuel tank and fuel pump. |
| Fuel hose inspection & replacement | Every 48 months | Moderate | Inspect fuel hose; replace as required. |
| Front fork leg service | Every 2 operating hours | Advanced | Clean dust seal; inspect and adjust; clean and grease oil seals and dust seals with lithium soap base grease. |
| Front fork oil & oil seal replacement | Every 12 operating hours | Advanced | Replace front fork oil; replace fork oil seal as required. |
| Front fork protector guide replacement | See notes | Moderate | Replace fork protector guide. |
| Rear shock absorber service | Every 2 operating hours | Advanced | Inspect and adjust rear shock; retighten mounting torques; grease pillow balls and bearings (after rain ride). |
| Brake lever/pedal, pivot & disc inspection | Every 2 operating hours | Moderate | Adjust lever position and pedal height; lubricate pivot points; check brake disc surface; check fluid level and leakage; retighten disc/caliper/master-cylinder/union bolts. |
| Brake pad replacement | See notes | Moderate | Replace brake pads. |
| Brake fluid replacement | Every 12 months · Replace every 24 months | Moderate | Replace brake fluid. |
| Swingarm inspection | Every 2 operating hours | Moderate | Inspect, lubricate (molybdenum disulfide grease) and retighten swingarm. |
| Relay arm / connecting rod (linkage) service | Every 2 operating hours | Moderate | Inspect, lubricate (molybdenum disulfide grease) and retighten relay arm and connecting rod. |
| Steering head bearing service | Every 2 operating hours | Moderate | Inspect free play and retighten; clean and lubricate bearings (after rain ride); replace bearings as required. |
| Tire, wheel & spoke inspection | Every 2 operating hours | Easy–Moderate | Inspect air pressure, wheel runout, tire wear and spoke looseness; retighten sprocket bolt. |
| Wheel bearing service | Every 7 operating hours | Moderate | Check wheel bearings; lubricate with lithium soap base grease; replace as required. |
| Drive chain maintenance | Every 2 operating hours | Easy | Clean, lubricate (chain oil), check slack and alignment; replace as required. |
| Drive chain guide inspection | Every 2 operating hours | Easy | Inspect drive chain guide for wear. |
| Drive chain guide & support replacement | See notes | Easy–Moderate | Replace drive chain guide and drive chain support. |
| Cable routing, check & lubrication | Every 2 operating hours | Easy | Check cable routing/connection; check and grease cables; check throttle cables at the throttle body for dirt and wear. |
| Clutch lever free play adjustment | See notes | Easy | Adjust clutch lever free play. |
| Kickstarter lever, brake pedal & footrest lubrication | Every 2 operating hours | Easy | Lubricate kickstarter lever, brake pedal and footrest pivots. |
| Chassis nuts & bolts torque check | Every 2 operating hours | Easy–Moderate | Retighten outside nuts and bolts per Torque-Check Points. |
| Engine oil change | Every 300 km · Every 7 operating hours | Easy | Check engine oil amount; replace engine oil. |
| Valve clearance inspection & adjustment | Every 600 km · Every 7 operating hours | Advanced | Check valve clearances (engine must be cold); replace as required. |
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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