Honda CB 900F Bol D'or (1979) vs Avinton / Wakan Wakan 1640 (2006)
Comparison technical specifications
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| Make: | Honda | Avinton / Wakan |
| Model: | CB 900F Bol D'or | Wakan 1640 |
| Years: | 1979 | 2006 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. | Four stroke, 45°V-twin. OHV, 4 can pushrod. |
| Capacity: | 901 cc / 54.9 cu-in | 1640 cc / 100 cu-in |
| Bore x Stroke: | 64.5 X 69 mm | 101.6 x 101.0 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 8.8:1 | 10.3:1 |
| Induction: | 4x 32mm Keihin carburetors | Single 42mm Keihin FCR flatside downdraft |
| Ignition: | Inductive electronic | CDI |
| Starting: | Electric | Electric |
| Max Power: | 95 hp / 71 kW @ 9000 rpm | 120 hp / 89.5 kW @ 6250 rpm |
| Max Torque: | 77 Nm / 57 lb-ft @ 8000 rpm | 120 ft-lb / 165 Nm @ 4250 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Belt |
| Frame: | Steel twin downtube | TIG welded chrome-moly steal tubular backbone frame with integrated oil tank. |
| Front Suspension: | Telescopic air assisted fork | 46mm Cariani Italy inverted fully adjustable forks |
| Rear Suspension: | Swinging arm, dual shocks with adjustable damping | Extruded aluminum swinging arm with Sachs shocks |
| Front Brakes: | 2x 280mm discs | Single 340mm disc 6 piston caliper |
| Rear Brakes: | Single 297mm disc | Single 220mm disc 2 piston caliper |
| Front Tyre: | 3.25 V19 | 120/70 ZR17 |
| Rear Tyre: | 4.00 V18 | 180/55 ZR17 |
| Seat Height: | 815 mm / 32.1 in | 790 mm / 31.1 in |
| Dry Weight: | 233 kg / 513.6 lbs | 177 kg / 390 lbs |
| Fuel Capacity: | 20 Litres / 5.3 US gal | 13 Litres / 3.4 US gal |