Triumph TF 450-E (2026) vs Harley-Davidson Harley Davidson XLS 1000 Roadster (1979-85) vs Yamaha YZF 600 R6 (2016)
Comparison technical specifications
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| Make: | Triumph | Harley-Davidson | Yamaha |
| Model: | TF 450-E | Harley Davidson XLS 1000 Roadster | YZF 600 R6 |
| Years: | 2026 | 1979-85 | 2016 |
| Engine: | Four stroke, single cylinder, SOHC, Del West titanium valves | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 449.9 cc / cu in | 998 cc / 60.8 cu-in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 95 x 63.4 mm | 81 x 96.8 mm | 67 x 42.5 mm |
| Compression Ratio: | 12.8:1 | 8.8;1 | 13.1;1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Induction: | Dell?Orto EFI with 44mm throttle body | 38mm Keihin carburetor | 41 mm Mikuni throttle body F.I. |
| Ignition: | EMS | Transistorized | TCI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 43.4 Kw / 57 hp | 57 hp / 41.7 kW @ 6000 rpm | 123.7 hp / 91 kW @ 14500 rpm |
| Max Torque: | 48.8 Nm / 36 ft-lbs | 55 ft-lb / 74 Nm @ 4000 rpm | 65.7 Nm / 6.6 kgf-m / 47.7 ft-lb @ 11500 rpm |
| Transmission: | 6-Speed | 4 Speed | 6 Speed |
| Final Drive: | Chain, 13/52 | Chain | O-ring chain |
| Frame: | Aluminum spine and double cradle with aluminum swingarm | Single down tube cradle | Deltabox aluminium frame with revised rigidity balance |
| Front Suspension: | 48 mm Fully adjustable KYB inverted fork, compression and rebound adjustble | Telehydraulic forks | Fully adjustable 41 mm inverted cartridge fork, |
| Rear Suspension: | Fully adjustable KYB shock with adjustable linkage | Dual shocks swinging arm fork | Fully adjustable link Monocross; 4-way adjustable, |
| Front Brakes: | Single Galfer 260mm disc with Brembo 2-piston caliper | 2x 254mm discs | 2x 310mm discs 4 piston calipers |
| Rear Brakes: | Single Galfer 245mm disc with Brembo single-piston caliper | Single 292mm disc | Single 220mm disc 1 piston caliper |
| Front Tyre: | 90/90 x 21 | MJ 90-19 | 120/70 ZR17 |
| Rear Tyre: | 140/90 x 18 | MT90-16 | 180/55 ZR17 |
| Wet Weight: | 116.7 kg / 258 lbs | 245 kg / 540 lbs | 189 kg / 415.8 lbs. |
| Fuel Capacity: | 8.3 L / 2.2 gal | 13.5 Litres / 3.5 US gal | 17.5 Liters / US 3.7 gal |