Norton Mercury 650 (1968-70) vs Honda CBR 400RR (1993)
Comparison technical specifications
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| Make: | Norton | Honda |
| Model: | Mercury 650 | CBR 400RR |
| Years: | 1968-70 | 1993 |
| Engine: | Four stroke, parallel twin | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. |
| Bore x Stroke: | 68 x 89 mm | 55 x 42 mm |
| Cooling System: | Air cooled | Liquid cooled; radiator with cooling fan |
| Compression Ratio: | 9.0:1 | 11.3:1 |
| Induction: | Single concentric carburetor, Amal | 4x 26mm Flat-side CV |
| Ignition: | Coil capacitor | Digitalized full transistor ignition |
| Spark Plug: | KLG FE75 or FE80, Lodge 2HLN, Champion N5 | NGK CR9EH-9 or ND U27FER-9 |
| Battery: | 12V | 12v (6AH) YTX7A-BS |
| Starting: | Kick | Electric |
| Max Power: | 35 kW / 47 hp | 59 hp / 42.2 kW @ 12500 rpm |
| Transmission: | 4-Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Single downtube, cradle | Twin-spar, box-section aluminum |
| Front Suspension: | Telescopic fork | 41mm Showa damper-rod forks with adjustable pre-load |
| Rear Suspension: | Swingarm, plungers | Showa gas/oil shock with adjustable preload and compression |
| Front Brakes: | Drum, twin leading shoe | 2x 275mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 220mm disc 2 piston caliper |
| Dry Weight: | 185 kg / 408 lbs | 163 kg / 359.4 lbs |