Moto Guzzi 850 Le Mans Mark II (1979-80) vs Yamaha RD 350LC YPVS Kenny Roberts Signature (1983)
Comparison technical specifications
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| Make: | Moto Guzzi | Yamaha |
| Model: | 850 Le Mans Mark II | RD 350LC YPVS Kenny Roberts Signature |
| Years: | 1979-80 | 1983 |
| Engine: | Four stroke, 90° V twin, longitudinally mounted, OHV pushrod, 2 valves per cylinder | Two stroke, parallel twin cylinder |
| Capacity: | 844 cc / 51.5 cu-in | 347 cc / 21.1 cu-in |
| Bore x Stroke: | 83 x 78 mm | 64 х 54 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 10.2:1 | 6.2 :1 |
| Lubrication: | Gear driven oil pump with replaceable full flow oil filter | Autolube |
| Induction: | 2x 36mm Dell'Orto carburetors | 2x 26mm Mikuni slide-needle carburetor |
| Ignition: | Battery with double contact breakers and coils | Flywheel magneto CDI |
| Starting: | Electric | Kick |
| Max Power: | 73 hp / 53.7 kW @ 7700 rpm | 59 hp / 43.9 kW @ 9000 rpm |
| Max Torque: | 76.4 Nm / 56.4 lb-ft @ 6600 rpm | 40.2 Nm / 4.1 kgf-m / @ 8000 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Shaft | Chain |
| Frame: | Duplex cradle | Tubular mild steel, double front downtubes |
| Front Suspension: | Oil damped telescopic fork | 32mm stanchion tube forks |
| Rear Suspension: | Swing arm with 3-pos preload | Single shock cantilever 5-way adjustable spring preload |
| Front Brakes: | 2x 310mm discs | 2x 267mm disc 1 piston caliper |
| Rear Brakes: | Single 242mm disc | Drum |
| Front Tyre: | 3.50 H18 | 3.00-18 |
| Rear Tyre: | 4.10 V18 | 3.50-18 |
| Wheelbase: | 1473 mm / 58 in | 1365 mm / 53.7 in |
| Seat Height: | 762 mm / 30 in | 785 mm / 30.9 in |
| Dry Weight: | 196 kg / 433 lbs | 143 kg / 315.2 lbs |
| Fuel Capacity: | 22.5 Litres / 4.8 gal | 16.5 Liters / 4.3 US gal |