| MODEL | YAMAHA RD 350LC 1981 |
| Year | 1981 |
| Engine Type | Two stroke, parallel twin |
| Displacement / Capacity | 347 cc / 21.1 cu in |
| Bore X Stroke | 64 x 54 mm |
| Compression Ratio | 6.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 34.5 kW / 47 hp @ 8500 rpm |
| Max Torque | 40.2 Nm / 4.1 kgf-m @ 8000 rpm |
| Ignition | Flywheel magneto CDI |
| Induction | 2 x 26 mm Mikuni slide-needle carburettors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Autolube |
| Gear Box | 6 speed |
| Clutch | Wet multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular mild steel, double front downtubes |
| Front Suspension | 32 mm stanchion telescopic forks, 140 mm travel |
| Rear Suspension | Single shock cantilever, 5-way adjustable spring preload, 95 mm travel |
| Front Brakes | 2 x 267 mm discs, single piston calipers |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | 2080 mm / 81.8 in |
| Overall Width | 750 mm / 29.5 in |
| Overall Height | 1090 mm / 42.9 in |
| Seat Height | 785 mm / 30.9 in |
| Wheelbase | 1365 mm / 53.7 in |
| Ground Clearance | 165 mm / 6.4 in |
| Dry Weight | 143 kg / 315.2 lbs |
| Wet Weight | 149 kg / 328 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.00-18 |
| Rear Tyre | 3.50-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 16.5 Litres / 4.3 US gal |
| Fuel Consumption | 43 mpg |
| Top Speed | 183.4 km/h / 114 mph |
The continuing liquid-cooled RD350LC, still without the exhaust power valve. Reviewers praised its strong, abrupt acceleration, light handling and value, while noting soft forks, a tendency to wheelie and heavy oil and fuel use.
