Honda Gold Wing GL1800 6th Gen 2021 Maintenance Schedule
The 2021 Honda Gold Wing GL1800 6th Gen maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, air filter, spark plugs, valve clearance, oil, coolant, brake fluid and tires. Intervals are shown in kilometres by default and can be switched to miles.
1833ccEngine size
29Maintenance items
Official manufacturer manual
Sourced from American Honda Motor Co. (Owners Manual) (this document covers model years 2018–2026): hondamotopub.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Fuel Line | Every 8,000 mi | Moderate | Inspect fuel line and fittings for leaks, cracks, and damage. |
| Throttle Operation | Every 8,000 mi | Easy | Inspect throttle grip operation for smooth movement without binding or sticking; check throttle cable free play. |
| Air Cleaner | Every 16,000 mi | Easy | Replace air cleaner element. |
| Crankcase Breather | Every 4,000 mi | Easy | Clean/drain crankcase breather. |
| Spark Plug | Every 16,000 mi | Easy–Moderate | Replace spark plugs (NGK CR6HSB-9, gap 0.031-0.035 in / 0.80-0.90 mm). |
| Valve Clearance | Every 24,000 mi | Advanced | Inspect valve clearance and adjust if necessary. |
| Engine Oil | Every 8,000 mi (first at 4,000 mi) · Every 12 months | Easy | Replace engine oil. Capacity after draining: 4.6 US qt (4.4 L) on GL1800BD/D/DA or 3.7 US qt (3.5 L) on GL1800/B. Recommended oil: SAE 10W-30, API SG or higher, JASO T903 standard MA (Pro Honda GN4 4-stroke oil or equivalent). |
| Engine Oil Filter | Every 16,000 mi (first at 4,000 mi) | Easy | Replace engine oil filter with a new Honda Genuine filter or equivalent. |
| Clutch Oil Filter | Every 16,000 mi (first at 4,000 mi) | Moderate | Replace clutch oil filter. |
| Engine Idle Speed | Every 8,000 mi | Easy | Inspect engine idle speed. |
| Radiator Coolant | Every 8,000 mi · Replace every 36 months | Easy–Moderate | Inspect coolant level/condition every 8,000 mi; replace coolant (Pro Honda HP Coolant) at least every 3 years regardless of mileage. |
| Cooling System | Every 8,000 mi | Easy–Moderate | Inspect cooling system (hoses, radiator, connections) for leaks and damage. |
| Secondary Air Supply System | Every 16,000 mi | Moderate | Inspect secondary air supply system (emission control). |
| Evaporative Emission Control System | Every 16,000 mi | Moderate | Inspect evaporative emission control system. |
| Final Drive Oil | Every 36 months | Moderate | Replace final drive (shaft drive) gear oil. Recommended: Hypoid gear oil SAE 80. Capacity: 4.7 US oz (140 cm3) after draining, 5.4 US oz (160 cm3) after disassembly. |
| Brake Fluid | Every 4,000 mi · Replace every 24 months | Moderate | Inspect front and rear brake fluid level/condition every 4,000 mi; replace brake fluid (Honda DOT 4) at least every 2 years regardless of mileage. |
| Brake Pads Wear | Every 4,000 mi | Moderate | Inspect front and rear brake pads for wear. |
| Brake System | Every 8,000 mi | Moderate | Inspect overall brake system (lines, calipers, master cylinders). |
| Brake Light Switch | Every 8,000 mi | Easy | Inspect brake light switch operation. |
| Brake Lock Operation | Every 4,000 mi | Easy–Moderate | Inspect parking brake lock (Brake Lock) operation. |
| Headlight Aim | Every 8,000 mi | Easy | Inspect and adjust headlight aim. |
| Clutch System | Every 8,000 mi | Moderate | Inspect clutch system operation. |
| Clutch Fluid | Every 4,000 mi · Replace every 24 months | Moderate | Inspect clutch fluid level/condition every 4,000 mi; replace clutch fluid (Honda DOT 4) at least every 2 years regardless of mileage. |
| Reverse Operation | Every 8,000 mi | Easy | Inspect reverse gear operation. |
| Side Stand | Every 8,000 mi | Easy | Inspect side stand operation and spring. |
| Suspension | Every 8,000 mi | Moderate | Inspect front and rear suspension. |
| Nuts, Bolts, Fasteners | Every 8,000 mi | Easy | Inspect and tighten major nuts, bolts, and fasteners. |
| Wheels/Tires | Every 8,000 mi | Moderate | Inspect wheels and tires for wear, damage, and correct air pressure. |
| Steering Head Bearings | Every 8,000 mi | Advanced | Inspect steering head bearings for looseness/wear. |
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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