The BMW R 18 Custom motorcycle specifications include a 1,802 cc (109.96 cu in) engine, power of 91 hp (66.4 kW) @ 4,750 rpm, and a 6-speed gearbox.
Key specifications
How the BMW R 18 Custom compares
This compares the motorcycle with all BMW models in this specifications database. The blue marker is this model and the grey line is the BMW database average.
About 12% higher than the BMW database average. Around the 65th percentile across BMW models.
About 98% higher than the BMW database average. Around the 99th percentile across BMW models.
About 15% lower than the BMW database average. Around the 1st percentile across BMW models.
About 17% smaller than the BMW database average. Around the 29th percentile across BMW models.
BMW database percentile rankings
Percentiles show where this motorcycle sits across the BMW specifications database. They are descriptive database rankings, not performance ratings.
91 hp — more powerful than about 65% of BMW models with power data.
1,802 cc — larger displacement than about 99% of BMW models.
690 mm — taller than about 1% of BMW models.
16 L — larger than about 29% of BMW fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 120/70-R19 |
|---|---|
| Rear tire size | 180/65-B16 |
| Specific power | 50.5 hp/L |
| Bore/stroke ratio | 1.07:1 (Oversquare) |
Model information
| Year released | 2021 |
|---|---|
| Category | Prototype / concept model |
Engine specifications
| Engine type | Two cylinder boxer, four-stroke |
|---|---|
| Displacement | 1,802 cc (109.96 cu in) |
| Power | 91 hp (66.4 kW) @ 4,750 rpm |
| Torque | 157.3 Nm (16.0 kgf-m or 116.0 ft.lbs) @ 3,000 rpm |
| Bore × stroke | 107.1 x 100 mm (4.2 x 3.9 inches) |
| Compression ratio | 9.6:1 |
| Valves per cylinder | 4 |
| Cooling system | Oil & air |
| Fuel system | Injection. Electronic intake pipe fuel injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
Chassis and suspension
| Frame | Double-cradle steel |
|---|---|
| Front suspension | Telescopic fork |
| Rear suspension | Steel swingarm with central shock strut |
Brakes, wheels and tires
| Front brakes | Double disc. 4 piston fixed calipers |
|---|---|
| Rear brakes | Single disc. 4 piston fixed calipers |
| Front tire | 120/70-R19 |
| Rear tire | 180/65-B16 |
Dimensions and weight
| Seat height | 690 mm (27.2 inches) |
|---|
Fuel and emissions
| Fuel capacity | 16.01 L (4.23 US gal) |
|---|---|
| Reserve fuel capacity | 3.79 L (1.00 US gal) |
| Emission details | Regulated three-way catalytic converter |
Electrical and instruments
| Instruments | Analogue |
|---|---|
| Lights | LED headlight |
Other specifications
| Color options | Black |
|---|---|
| Seat | Solo seat |
| Comments | Also called ´Spirit of Passion´ by Kingston Custom. Designed by Dirk Oehlerking. Not for sale. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from BMW models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official BMW information before relying on them. Visit the official BMW website.