1977 Yamaha TT500
Specifications and workshop reference information for the 1977 Yamaha TT500, including engine, chassis, service data and setup details.
Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.
General Specifications
| Engine Type | Air-cooled, 4-stroke, single-cylinder, SOHC, 2-valve |
| Displacement | 499 cc |
| Bore × Stroke | 87.0 × 84.0 mm |
| Compression Ratio | 8.5:1 |
| Maximum Power | Approx. 32 hp |
| Maximum Torque | |
| Carburetor | Mikuni |
| Lubrication | Dry sump |
| Fuel Mix Ratio | |
| Ignition | CDI |
| Spark Plug | NGK BP7ES |
| Spark Plug Gap | 0.6–0.7 mm |
| Valve Clearance (Intake) | 0.08 mm |
| Valve Clearance (Exhaust) | 0.10 mm |
Transmission
| Transmission Type | 5-speed manual |
| Clutch | Wet multi-plate |
| Primary Reduction | |
| Final Reduction | Chain drive |
| Overall Reduction | |
Dimensions
| Overall Length | 2,200 mm |
| Overall Width | 880 mm |
| Overall Height | 1,180 mm |
| Wheelbase | 1,420 mm |
| Ground Clearance | 280 mm |
| Fuel Tank Capacity | 9.0 L |
Chassis
| Frame Type | Steel single cradle |
| Caster Angle | |
| Trail | |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shock swingarm |
| Front Suspension Travel | |
| Rear Suspension Travel | |
Brakes & Wheels
| Front Tire | 3.00-21 |
| Rear Tire | 4.00-18 |
| Front Brake | Drum brake |
| Rear Brake | Drum brake |
500cc Other Specs
Community
VMX Owners Forum
Discuss vintage motocross bikes, restorations, tuning and riding.
