Harley-Davidson ROAD KING CLASSIC (2007–2010) — Specs
Identity
Manufacturer: Harley-Davidson
Model: ROAD KING CLASSIC
Category: Cruiser
Type: Motorcycle
Years: 2007 → 2010
Engine
Displacement (cc): 1584
Cylinders: 2
Power (hp): 75
Power (kW): 55
Torque (Nm): 152
Dimensions
Overall length: 2400 mm
Overall width: 940 mm
Overall height: 1140 mm
Wheelbase: 1645 mm
Ground clearance: 140 mm
Weight (kg): 345
Seat height (mm): 683
Tank (L): 22.7
Tires
Front tire: 130/80 R17
Rear tire: 180/65 R16
Drivetrain
Final drive: Toothed belt
Ignition
Spark plug: NGK DCPR7E
Plug gap: 1.0 mm
Fluids & Filters
Engine oil: SAE20W-50
Engine oil (with filter, L): 3.8
Oil filter: Hiflofiltro HF171
Air filter: Hiflofiltro HFA1903
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~349 km on a full tank (22.7 L)
Service
Battery: YTX20HL-BS
Service interval (km): 10000
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 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Engine oil: oil grade SAE20W-50, 3.8 L with filter change. Spark plug: NGK DCPR7E (gap 1.0 mm). Brake fluid: DOT 4. Chain: toothed belt. Tire size: front 130/80 R17, rear 180/65 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: SAE20W-50, 3.8 L (with filter)
- OEM OEM recommended engine oil (SAE 20W-50)
- 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 HF171
- Premium Hiflofiltro HF171
- Premium K&N KN-171
Air filter
Spec: Hiflofiltro HFA1903
- Standard Hiflofiltro HFA1903
Spark plug
Spec: NGK DCPR7E, gap 1.0 mm
- OEM NGK DCPR7E
- Premium NGK DCPR7EIX
- Standard NGK DCPR7E
Front brake pads
Spec: EBC FA400
- Premium EBC FA400
Rear brake pads
Spec: EBC FA400
- Premium EBC FA400
Front tire
Spec: 130/80 R17
- OEM OEM 130/80 R17
Rear tire
Spec: 180/65 R16
- OEM OEM 180/65 R16
Battery
- Premium Yuasa YTX20HL-BS (typical 1300cc+ cruiser/tourer)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 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
- OEM Hydraulic lifters — no manual adjustment needed
Suspension
Spec: telescopic fork / SAE 20W
- OEM Fork: telescopic fork
- OEM Fork oil grade: SAE 20W
Drive chain
