Yamaha TT 600RE (2004-05) vs Kawasaki GPz 400R / ZX 400 (1985) vs Harley-Davidson Harley Davidson FLTRU Road Glide Ultra (2017-18)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki | Harley-Davidson |
| Model: | TT 600RE | GPz 400R / ZX 400 | Harley Davidson FLTRU Road Glide Ultra |
| Years: | 2004-05 | 1985 | 2017-18 |
| Engine: | Four stroke, single cylinder, SOHC, 4 Valve | Four stroke, transverse four cylinder, DOHC, 4 Valve per cylinder. | Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Capacity: | 595 cc / 36.5 cu-in | 399 cc / 24.3 cu-in | 1746 cc / 107 cub in. |
| Bore x Stroke: | 95 x 84 mm | 57 х 39 mm | 100 x 111 mm |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 8.5 :1 | 11.5:1 | 10.0:1 |
| Induction: | Teikei Y36PV carburetor26mm Dual stage Teikei Y26PV carburetor | 4x Keihin CVKD30 carburetors | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | CDI | CDI | Single-fire, non-wasted, map-controlled spark ignition |
| Starting: | Electric | Electric | Electric |
| Max Torque: | 50 Nm / 36.8 lb-ft @ 5000 rpm | 3.6 kgf-m / 26.0 lb-ft @ 10500 rpm | 154 Nm / 113.6 lb-ft @ 3250 rpm |
| Frame: | Steel | Aluminum diamond tubular, double cradle | Mild steel, square-section backbone with twin downtubes |
| Front Suspension: | Telescopic forks | 41mm Telescopic forks | 41.3 mm Telescopic, cartridge-style damping |
| Rear Suspension: | Alloy swinging arm single shock with adjustable dampers | Rising rate monoshock | Short, air-adjustable shock |
| Front Brakes: | Single 267mm discs 2 piston calipers | 2x 300mm discs 4 piston calipers | 32 mm, 4-piston fixed caliper |
| Rear Brakes: | Single 220mm disc 1-piston caliper | Single 240mm disc 1 piston caliper | 32 mm, 4-piston fixed caliper |
| Front Tyre: | 90/90-21 | 100/90-16 | 130/80B17 65H |
| Rear Tyre: | 130/90-18 | 130/90-16 | 180/65B16 81H |
| Rake: | 27° | 24° | 26° |
| Trail: | 114 mm / 4.4 in | 87mm / 3.4 in | 170 mm / 6.7 in |
| Wheelbase: | 1480 mm / 58.2 in | 1395 mm / 54.9 in | 1625 mm / 64.0 in |
| Seat Height: | 945 mm / 37.2 in | 770 mm / 30.3 in | Unladen 735 mm / 29 in Laden 690mm / 27.2 in |
| Dry Weight: | 153 kg / 337 lbs | 176 kg / 388 lbs | 405 kg / 893 lbs |
| Fuel Capacity: | 10 Litres / 2.6 US gal | 16 Litres / 4.2 US gal | 22.7 Litres / 6.0 US gal |