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2019 Yamaha YZ250 Maintenance Schedule and Service Intervals

Maintenance schedule and service intervals for the 2019 Yamaha YZ250

This is the maintenance schedule and associated service intervals for the 2019 Yamaha YZ250.

2019 Yamaha YZ250 Maintenance Schedule

Below is the maintenance schedule for the 2019 Yamaha YZ250.

Regular Inspection and Adjustments

TIP:
• The following schedules is intended as a general rule to maintenance and lubrication. Bear in mind that such factors as weather, terrain, geographical location, and individual usage will alter the required maintenance and lubrication intervals. If you are a doubt as to what intervals to follow in maintaining and lubricating your machine, consult your Yamaha dealer
• Periodic inspection is essential in making full use of the machine performance. The service life of the parts varies substancially according to the enviroment in which the machine runs (e.g., rain, dirt, etc.). Therefore, earlier inspection is required by reference to the list below

Maintenance Intervals

ItemAfter brake-inEvery race (about 2.5 hours)Every third (about 7.5 hours)Every fifth (about 12.5 hours)As requiredRemarks
PISTON
Inspect and clean
Inspect crack
Inspect carbon deposits and eliminate them
Replace
PISTON RING
Inspect
Check ring end gap
Replace
PISTON PIN, SMALL END BEARING
Inspect
Replace
CYLINDER HEAD
Inspect and clean
Inspect carbon deposits and eliminate them
Check gasket
Retighten
CYLINDER
Inspect and clean
Inspect score marks
Inspect wear
Replace
YPVS
Inspect and clean
Inspect carbon deposits and eliminate them
CLUTCH
Inspect and adjust
Inspect housing, friction plate, clutch plate and spring
Replace
TRANSMISSION
Replace oil
Recommended Brand:
YAMALUBE
SAE 10W-40
API service SG type or higher
JASO standard MA
Inspect
Replace bearing
SHIFT FORK. SHIFT CAM, GUIDE BAR
Inspect
Inspect wear
ROTOR NUT
Retighten
MUFLER
Inspect
Clean
Retighten
Replace fiber•**When the exhaust sound becomes louder or when performance drop is felt
CRANK
Inspect and clean
CARBURETOR
Inspect, adjust and clean
SPARK PLUG
Inspect and clean
Replace
DRIVE CHAIN
Lubricate, slack, alignment
Use chain lube
Chain slack: 48.0-58.0mm
(1.89-2.28 in)
Replace
COOLING SYSTEM
Check coolant level and leakage
Check radiator cap operation
Replace coolant Every two years
Inspect hoses
OUTSIDE NUTS AND BOLTS
Retighten
Refer to “STARTING AND BRAKE-IN” section in the chapter 1
AIR FILTER
Clean and lubricate
Use the YAMAHA foam air filter oil or other quality foam air filter oil
Replace
FRAME
Clean and inspect
FUEL TANK. COCK
Clean and inspect
BRAKES
Adjust lever position and pedal height
Lubricate pivot point
Check brake disc surface
Check fluid level and leakage
Retighten brake, disc bolts, caliper bolts, master cylinder bolts and union bolts
Replace pads
Replace brake fluidEvery one year
FRONT FORKS
Inspect and adjust
Replace oilYamaha Suspension oil S1
Replace oil seal
FRONT FORK OIL SEAL AND DUST SEAL
Clean and lube
Lithium base grease
PROTECTOR GUIDE
Replace
REAR SHOCK ABSORBER
Inspect and adjust
Lube(After rain ride)•Molybendum disulfade grease
Retighten
DRIVE CHAIN GUIDE AND ROLLERS
Inspect
SWINGARM
Inspect, lube and retighten
Molybendum disulfade grease
RELAY ARM, CONNECTING ROD
Inspect, lube and retighten
Molybendum disulfade grease
SIDESTAND (YZ250X)
Lubricate
Lithium base grease
STEERING HEAD
Inspect free play and retighten
Clean and lubeLithium base grease
Replace bearing
TIRE, WHEELS
Inspect air pressure, wheel run-out, tire wear and spoke looseness
Retighten sproket bolt
Inspect bearings
Replace bearings
LubricateLithium base grease
THROTTLE, CONTROL CABLE
Check routing and connection
LubricateYamaha cable lube or SAE 10W-40 motor oil

About the 2019 Yamaha YZ250

Modern, aggressive styling, including front fender, front number plate, radiator shrouds, side number plates, air box, rear fender, fork guards, as well as the rear brake disc protector, rear brake caliper protector and wider foot pegs—just like the 4-strokes.

249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband. A large 270mm front disc brake coupled with high-performance pad material offers outstanding machine control and performance, with exceptional stopping power and controllability.

Manual for the 2019 Yamaha YZ250

2019 Yamaha YZ250 Maintenance schedule screenshot from manual

The above information was gleaned from the owner’s manual for the 2019 Yamaha YZ250.

You can download it from Yamaha’s website here.