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Honda CB300R 2020 Maintenance Schedule

The 2020 Honda CB300R maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, air filter, spark plugs, drive chain maintenance, brake fluid, tires, oil, coolant and valve clearance. Intervals are shown in kilometres by default and can be switched to miles.

286ccEngine size
25Maintenance items
Official manufacturer manual

Sourced from American Honda Motor Co. (Owners Manual) (this document covers model years 2020–2026): hondamotopub.com

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Full schedule

TaskIntervalDifficultyNotes
Clutch System Every 4,000 mi Easy–Moderate Inspect clutch lever freeplay and clutch system operation.
Air Cleaner Every 25,600 mi · Replace every 12,000 mi Easy Replace air cleaner (air filter) element.
Throttle Operation Every 8,000 mi Easy–Moderate Check throttle grip freeplay and confirm smooth operation without binding or sticking.
Crankcase Breather Every 4,000 mi Easy Clean the crankcase breather tube/element.
Spark Plug Every 16,000 mi · Replace every 32,000 mi Easy–Moderate Inspect spark plug every 16,000 mi (25,600 km); replace spark plug every 32,000 mi (51,200 km).
Engine Idle Speed Every 8,000 mi Easy–Moderate Inspect and adjust engine idle speed.
Secondary Air Supply System Every 16,000 mi Moderate Inspect secondary air supply system.
Evaporative Emission Control System Every 16,000 mi Moderate Inspect evaporative emission control system.
Drive Chain Every 600 mi (first at 1,000 mi) Easy Inspect drive chain slack and condition; lubricate drive chain.
Brake Fluid Every 4,000 mi · Replace every 24 months Moderate Inspect brake fluid level and condition.
Brake Pads Wear Every 4,000 mi Easy–Moderate Inspect brake pads for wear.
Brake System Every 8,000 mi Moderate Inspect overall brake system operation.
Brake Light Switch Every 8,000 mi Easy Inspect brake light switch operation.
Headlight Aim Every 8,000 mi Easy–Moderate Inspect and adjust headlight aim.
Side Stand Every 8,000 mi Easy Inspect side stand spring and operation.
Suspension Every 8,000 mi Moderate Inspect front and rear suspension.
Nuts, Bolts, Fasteners Every 8,000 mi Easy–Moderate Inspect and tighten nuts, bolts, and fasteners.
Wheels/Tires Every 8,000 mi Moderate Inspect wheels and tires for damage, tread wear, and correct air pressure.
Steering Head Bearings Every 8,000 mi Advanced Inspect steering head bearings for looseness or damage.
Fuel Line Every 8,000 mi Moderate Inspect fuel line and connections for leaks, cracks, or deterioration.
Engine Oil Every 8,000 mi (first at 600 mi) · Every 12 months Easy Replace engine oil.
Engine Oil Filter Every 16,000 mi (first at 600 mi) · Every 12 months Easy Replace engine oil filter.
Radiator Coolant Every 8,000 mi · Every 36 months · Replace every 36 months Easy–Moderate Inspect coolant level and condition; replace radiator coolant.
Valve Clearance Every 16,000 mi Advanced Inspect and adjust valve clearance.
Cooling System Every 8,000 mi Easy–Moderate Inspect cooling system (hoses, radiator, connections) for leaks and damage.

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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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