Suzuki SP 125 (1982-86) vs Yamaha RD 350LC / RZ 350LC YPVS (1984) vs Yamaha YZF 750SP (1996) vs Yamaha YZF 1000 R1M (2019) vs Triumph Thunderbird 900 (1995-04)
Comparison technical specifications
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| Make: | Suzuki | Yamaha | Yamaha | Yamaha | Triumph |
| Model: | SP 125 | RD 350LC / RZ 350LC YPVS | YZF 750SP | YZF 1000 R1M | Thunderbird 900 |
| Years: | 1982-86 | 1984 | 1996 | 2019 | 1995-04 |
| Engine: | Four stroke, single cylinder, SOHC | Two stroke, parallel twin cylinder | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse three cylinder, DOHC, 4 valve per cylinder. |
| Capacity: | 124 cc / 7.6 cu in | 347 cc / 21.1 cu-in | 749 cc / 45.7 cu-in | 998 cc / 60.9 cu-in | 885 cc / 54 cu in |
| Bore x Stroke: | 57 x 48.8 mm | 64 х 54 mm | 72 x 46 mm | 79.0 x 50.9 mm | 76 x 65 mm |
| Compression Ratio: | 9.5:1 | 6.2 :1 | 11.5:1 | 13.0:1 | 10.0:1 |
| Induction: | TEIKEI S22P carburetor | 2x 26mm Mikuni slide-needle carburetor | 4x 4 Y Keihin FCRD39/4 | Fuel Injection with YCC-T and YCC-I | 3 x 36 mm Mikuni carburetors |
| Ignition: | Suzuki PEI | Flywheel magneto CDI | T.C.I. Digital | TCI: Transistor Controlled Ignition | Digital |
| Starting: | Kick | Kick | Electric | Electric | Electric |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6-speed w/multiplate slipper clutch | 6 Speed |
| Final Drive: | Chain | Chain | Chain | "O" ring chain | Chain, O-ring |
| Front Suspension: | Telescopic fork, leading axle | 32mm stanchion tube forks | 41mm UD fork, fully adjustable. | 43mm KYB inverted fork, fully adjustable | 43 mm Telescopic forks |
| Rear Suspension: | Full floater, 5-preload settings | Single shock cantilever 5-way adjustable spring preload | Monocross type fully adjustable Öhlins remote reservoir shock, | KYB® Single shock w/piggyback reservoir, 4-way adjustable | Monoshock, preload adjustable. |
| Front Brakes: | Drum | 2x 267mm disc 1 piston caliper | 2x 320mm discs 6 piston calipers | 2x 320mm discs 4 piston calipers, UBS ABS | Single 320 mm disc, 2 piston caliper |
| Rear Brakes: | Drum | Drum | Single 245mm disc 2 piston caliper | Single 220mm disc 1 piston caliper, UBS ABS | Single 285 mm disc, 2 piston caliper |
| Front Tyre: | 2.75-21 | 3.00-18 | 120/70 ZR17 | 120/70 ZR17 | 110/80-18 |
| Rear Tyre: | 4.10-18 | 3.50-18 | 180/55 ZR17 | 190/55 ZR17 | 150/80-16 |
| Fuel Capacity: | 8.5 Litres / 2.2 US gal / 1.9 Imp gal | 16.5 Liters / 4.3 US gal | 19 Litres / 4.3 gal | 17 Liters / 4.5 US gal | 15 Litres / 4.0 US gal / 3.3 Imp gal |