Factory Workshop SpecificationsPlatform Gen: 2021–2026

2025 Honda CRF300L Specifications & Consumables

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

Technical PassportOEM VERIFIED

Engine

286cc

Cooling

Liquid-Cooled

Final Drive

520 Chain

Engine Oil

1.50 L (1.59 US qt)

Spark Plug

NGK SIMR8A9

Front Tire

80/100-21

Gen 2021–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2021 through 2026.

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 2025 Honda CRF300L.

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Select Model Year:(Active: 2025)
6 Production Years (2021–2026)

2021 2022 2023 2024 2025 2026

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2025 Honda CRF300L.

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.

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Subsystem Guide/fluids

Fluids & Capacities

Oil: 1.50 L (1.59 US qt) • Coolant: 1.10 L (1.16 US qt) • Brake: DOT 4

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: 30A Blade / Starter Magnetic Switch • Location: N/A

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Subsystem Guide/compression

Compression & Leakdown

Ratio: 10.0:1 • Std: 150-190 PSI • Limit: 125 PSI

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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: YTZ8V • CCA: 120 • Regulated: 14.0 - 14.8 V DC

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Subsystem Guide/tires

Tires & Gearing

Front: 80/100-21 • Rear: 120/80-18

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: 260 mm • Rear Travel: 260 mm

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: Every 4,000 miles (6,400 km) mi • Valves: N/A • Plugs: Every 16,000 miles (25,600 km) mi

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Fluids & Service Capacities

Shop Fluids →

Engine Oil (Drain & Filter Change)1.50 L (1.59 US qt)

Engine Oil (Drain Only)1.40 L (1.48 US qt)

Recommended Oil ViscosityPro Honda GN4 10W-30 or 10W-40, JASO MA

Coolant System Capacity1.10 L (1.16 US qt)

Brake Fluid StandardDOT 4

Drivetrain, Chain & Gearing

Gearing Calculator →Shop Chains & Sprockets →

Drive Chain Pitch520

Chain Link Count106 Links

Front Sprocket Teeth14T

Rear Sprocket Teeth40T

Final Drive Configuration520 Pitch Chain

Ignition & Electrical Specifications

Shop Plugs & Batteries →

OEM Spark Plug Part NumberNGK SIMR8A9

Electrode Spark Plug Gap0.8 - 0.9 mm (0.031 - 0.035 in)

OEM Battery Reference CodeYTZ8V

Battery Output & Rating12V 7Ah 120 CCA

Spark Plug Inspection Interval16,000 miles (25,600 km) miles

Wheels, Tires & Inflation Pressures

Matched 2-Tire Sets →

Front Tire Dimensions80/100-21

Cold Front Inflation Pressure22 PSI (Cold)

Rear Tire Dimensions120/80-18

Cold Rear Inflation Pressure22 PSI (Cold)

OEM Wheel Rim Widths (F / R)3.50" / 4.50"

Verified OEM Wheel Fitment: 80/100-21 (F) + 120/80-18 (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 2025 Honda CRF300L 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 2025 Honda CRF300L 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 2025 Honda CRF300L.

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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: 1.50 L (1.59 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 specifications

Item Price

$5.55

Factory OEM Spark Plug Spec

NGK SIMR8A9

Gap: 0.8 - 0.9 mm (0.031 - 0.035 in)

Inspection milestone: 16,000 miles (25,600 km) miles. Exact factory part specification.

Authentic OEM Reference

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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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