Honda GL 1800 GOLD WING (2020–2021) — Specs

Identity
Manufacturer: Honda
Model: GL 1800 GOLD WING
Category: Motorcycle
Type: Motorcycle
Years: 2020 → 2021
Engine
Displacement (cc): 1833
Cylinders: 6
Power (hp): 126
Power (kW): 93
Torque (Nm): 170
Dimensions

Overall length: 2575 mm
Overall width: 925 mm
Overall height: 1340 mm
Wheelbase: 1695 mm
Ground clearance: 130 mm
Weight (kg): 365
Seat height (mm): 745
Tank (L): 21
Tires
Front tire: 130/70 R18
Rear tire: 200/55 R16
Front pressure (bar): 2.5
Rear pressure (bar): 2.8
Drivetrain
Final drive: Shaft drive
Ignition
Spark plug: NGK CR6HSB-9
Plug gap: 0.8-0.9
Fluids & Filters
Engine oil: SAE10W-30, API SG
Engine oil (with filter, L): 3.7
Engine oil (without filter, L): 3.5
Oil filter: Hiflofiltro HF204
Air filter: Hiflofiltro HFA1936
Coolant (L): 2.9
Brake fluid: DOT 4
Fuel consumption
Manufacturer / WMTC: 5.5 L/100 km
Real-world range: ~381 km on a full tank (21.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTX20HL-BS
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 6,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Engine oil: oil grade SAE10W-30, API SG, 3.7 L with filter change, 3.5 L without filter change. Spark plug: NGK CR6HSB-9 (gap 0.8-0.9). Brake fluid: DOT 4. Coolant capacity: 2.9 L. Drive: shaft drive. Tire pressure: front 2.5 bar, rear 2.8 bar (cold). Tire size: front 130/70 R18, rear 200/55 R16. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE 10W-30, 4.0 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-30)
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF204
- Premium Hiflofiltro HF204
- Premium K&N KN-204
Air filter
Spec: Hiflofiltro HFA1936
- Standard Hiflofiltro HFA1936
Spark plug
Spec: NGK IZFR6K11, gap 0.9-1.0 mm
- OEM NGK IZFR6K11
- Premium NGK IZFR6K11
- Standard NGK IZFR6K11
Front brake pads
Spec: OEM front pad (EBC equivalent: FA388HH)
- Premium EBC FA388HH
- Standard EBC FA388 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA174HH)
- Premium EBC FA174HH
- Standard EBC FA174 (organic)
Front tire
Spec: 130/70 R18, 2.5 bar
- OEM OEM 130/70 R18
Rear tire
Spec: 200/55 R16, 2.8 bar
- OEM OEM 200/55 R16
Battery
Spec: OEM battery: Yuasa YTX20HL-BS
- OEM OEM battery: Yuasa YTZ14S
- Premium Yuasa YTZ14S
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 2.90 L coolant capacity
Service interval
Spec: 6 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
Suspension
Spec: DOPPEL-QUERLENKER
- OEM Fork: DOPPEL-QUERLENKER
Drive chain
