| MODEL | YAMAHA TT 350 1986 - 1989 |
| Year | 1986 - 1989 |
| Engine Type | Four stroke, single cylinder, DOHC, 4 valve |
| Displacement / Capacity | 349 cc |
| Bore X Stroke | 86 x 59.6 mm |
| Compression Ratio | 9.1:1 |
| Cooling System | Air cooled |
| Max Power | 23.8 kW / 32 hp @ 7000 rpm (28.0 hp @ 7600 rpm at rear tyre) |
| Max Torque | 3.4 kgf-m / 24.5 lb-ft @ 6000 rpm |
| Ignition | — |
| Induction | Teikei Y24PV/1 carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Monoshock |
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 914 mm / 36 in |
| Wheelbase | 1473 mm / 58 in |
| Ground Clearance | 305 mm / 12 in |
| Dry Weight | 120.6 kg / 266 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/100-21 |
| Rear Tyre | 100/100-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Fuel Consumption | 17.8 km/l |
| Top Speed | 129.2 km/h / 80.2 mph |
Yamaha's air-cooled, four-valve DOHC 350 single was a light, kick-start trail and enduro bike with a six-speed gearbox. It has a single front disc and rear drum brake and a tall 914 mm seat. Good on dual-purpose trails but modest in power.
