Triumph Speedmaster Roadster (2011-12) vs Yamaha RD 350LC / RZ 350LC YPVS (1984) vs Honda CB 125 Benli (1967-69)
Comparison technical specifications
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| Make: | Triumph | Yamaha | Honda |
| Model: | Speedmaster Roadster | RD 350LC / RZ 350LC YPVS | CB 125 Benli |
| Years: | 2011-12 | 1984 | 1967-69 |
| Engine: | Four stroke, parallel twin, DOHC, 4 valves per cylinder | Two stroke, parallel twin cylinder | Four stroke, twin cylinder, OHC |
| Capacity: | 865 cc / 52.8 cu in | 347 cc / 21.1 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 90 x 68 mm | 64 х 54 mm | 44 x 41 mm |
| Compression Ratio: | 9.2:1 | 6.2 :1 | 9.4:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Induction: | Multipoint sequential electronic fuel injection with SAI | 2x 26mm Mikuni slide-needle carburetor | 26mm Keihin Carburetor, manual choke |
| Ignition: | Digital inductive type | Flywheel magneto CDI | Battery & coil |
| Starting: | Electric | Kick | Kick |
| Max Power: | 45.5 kW / 61 hp @ 6800 rpm | 59 hp / 43.9 kW @ 9000 rpm | 15 hp / 10.9 kW @ 10500 rpm |
| Max Torque: | 74.5 Nm / 7.6 kgf-m / 55 ft.-lb @ 3300 rpm | 40.2 Nm / 4.1 kgf-m / @ 8000 rpm | 1.05 kgf-m / 7.5 lb-ft @ 9000 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain, X-ring | Chain | Chain |
| Front Suspension: | Kayaba 41mm telescopic forks with polished lowers | 32mm stanchion tube forks | Telescoping forks. |
| Rear Suspension: | Kayaba chromed spring twin shocks with adjustable preload | Single shock cantilever 5-way adjustable spring preload | Dual shocks |
| Front Brakes: | Single 310 mm disc, 2 piston Nissen floating calipers | 2x 267mm disc 1 piston caliper | Drum |
| Rear Brakes: | Single 285 mm disc, 2 piston Nissen floating caliper | Drum | Drum |
| Front Tyre: | 100/90-R19 | 3.00-18 | 2.50 -18 |
| Rear Tyre: | 170/80-B15 | 3.50-18 | 2.75 -18 |
| Dry Weight: | 250 kg / 550 lbs | 143 kg / 315.2 lbs | 133 kg |
| Fuel Capacity: | 19.3 Litres / 5.1 US gal / 4.25 Imp gal | 16.5 Liters / 4.3 US gal | 9 Litres |