Factory Workshop SpecificationsPlatform Gen: 2019–2025

sms%3A6572176457 Yamaha YZ250F Specifications & Consumables

Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.

Technical PassportOEM VERIFIED

Engine

250cc

Cooling

Not Available

Final Drive

520 Chain

Engine Oil

0.75 L (0.79 US qt)

Spark Plug

NGK LMAR9E-J

Front Tire

80/100-21 51M

Gen 2019–2025

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2019 through 2025.

SPECS-TO-CART BUNDLESFactory Direct-Fit Maintenance Bundles Available

1-Click verified Motul engine oil service kits, race filters, spark plugs, and brake fluid pre-measured for this sms%3A6572176457 Yamaha YZ250F.

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Select Model Year:(Active: sms%3A6572176457)
7 Production Years (2019–2025)

2019 2020 2021 2022 2023 2024 2025

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for sms%3A6572176457 Yamaha YZ250F.

10 Dedicated Engineering Spoke Pages

Subsystem Guide/torques

Fastener Torques

Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.

Open Dedicated Workbench →

Subsystem Guide/fluids

Fluids & Capacities

Oil: 0.75 L (0.79 US qt) • Coolant: 1.02 L (1.08 US qt) • Brake: DOT 4 Brake Fluid

Open Dedicated Workbench →

Subsystem Guide/fuses-relays

Fuses & Relays

Main: N/A • Location: N/A

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Subsystem Guide/compression

Compression & Leakdown

Ratio: N/A

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Subsystem Guide/valves

Valve Clearances

Intake: N/A mm • Exhaust: N/A mm

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Subsystem Guide/fuel-delivery

Fuel Delivery & TB Sync

Idle: N/A • Rail Pressure: N/A • Vacuum: N/A

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Subsystem Guide/electrical

Charging & Battery

Battery: HY85S • CCA: 120 • Regulated: 14.0V – 14.4V DC @ 5,000 RPM

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Subsystem Guide/tires

Tires & Gearing

Front: 80/100-21 51M • Rear: 100/90-19 57M

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: 310 mm • Rear Travel: 317 mm

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: N/A • Valves: N/A • Plugs: N/A

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Fluids & Service Capacities

Shop Fluids →

Engine Oil (Drain & Filter Change)0.75 L (0.79 US qt)

Engine Oil (Drain Only)0.73 L (0.77 US qt)

Recommended Oil Viscosity10W-40 JASO MA2

Coolant System Capacity1.02 L (1.08 US qt)

Brake Fluid StandardDOT 4 Brake Fluid

Drivetrain, Chain & Gearing

Gearing Calculator →Shop Chains & Sprockets →

Drive Chain Pitch520

Chain Link Count114 Links

Front Sprocket Teeth13T

Rear Sprocket Teeth50T

Final Drive Configuration520 Pitch Chain

Ignition & Electrical Specifications

Shop Plugs & Batteries →

OEM Spark Plug Part NumberNGK LMAR9E-J

Electrode Spark Plug Gap0.6 - 0.7 mm (0.024 - 0.028 in)

OEM Battery Reference CodeHY85S

Battery Output & Rating12V 2.0Ah LiFePO4 Lithium-Ion

Spark Plug Inspection IntervalN/A

Wheels, Tires & Inflation Pressures

Matched 2-Tire Sets →

Front Tire Dimensions80/100-21 51M

Cold Front Inflation Pressure15 PSI (Cold)

Rear Tire Dimensions100/90-19 57M

Cold Rear Inflation Pressure15 PSI (Cold)

OEM Wheel Rim Widths (F / R)3.50" / 5.50"

Verified OEM Wheel Fitment: 80/100-21 (F) + 100/90-19 (R)

Shop In-Stock Matched Pairs→

Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)

U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).

Verify VIN on NHTSA.gov

No Active Federal Safety Recalls Reported

The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the sms%3A6572176457 Yamaha YZ250F platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.

1-Click Factory Service KitOEM Spec Fluid Capacities Matched

Workshop Maintenance Kit & Factory Fluids

Authentic factory-grade motor oil, oil filter, and high-temp brake fluid matched precisely to sms%3A6572176457 Yamaha YZ250F capacities.

Full Kit Subtotal

$74.50

SPECS-TO-CART BUNDLESDedicated Direct-Fit Maintenance Bundles Available

Explore interactive 1-click oil change packs, brake flush kits & major tune-up bundles pre-measured for this sms%3A6572176457 Yamaha YZ250F.

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10W-40 JASO MA2

Silkolene Pro 4 4T Synthetic Oil 10W-40 (4 Liter)

4-Liter Factory Full Jug

Matches factory 10W-40 spec (Oil spec: 0.75 L (0.79 US qt))

Item Price

$68.95

DOT 4 Synthetic Formula

EBC High-Performance DOT 4 Synthetic Brake Fluid

8.8 oz (250 ml) Workshop Bottle

Meets & exceeds factory DOT 4 Brake Fluid specifications

Item Price

$5.55

Factory OEM Spark Plug Spec

NGK LMAR9E-J

Gap: 0.6 - 0.7 mm (0.024 - 0.028 in)

Inspection milestone: Not Available. Exact factory part specification.

Authentic OEM Reference

Search OEM Plugs →

Complete Workshop Maintenance Package3 Essential Service Items

Includes 10W-40 JASO MA2 engine oil (4-Liter Factory Full Jug), high-flow filter & DOT 4 fluid.

Kit Total

$74.50

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