The Yamaha Seca motorcycle specifications include a 653 cc (39.85 cu in) engine, a 5-speed gearbox, and a listed weight of 230.9 kg (509 lb).
Key specifications
1982Year released
653 ccDisplacement
230.9 kgDry weight
18.6 LFuel tank
How the Yamaha Seca compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
Displacement653 cc
Low 49 ccAverage 550 ccHigh 1,852 cc
About 19% higher than the Yamaha database average. Around the 65th percentile across Yamaha models.
Fuel capacity18.6 L
Low 4 LAverage 13 LHigh 24 L
About 42% larger than the Yamaha database average. Around the 85th percentile across Yamaha models.
This model Yamaha database average
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
Displacement65th
653 cc — larger displacement than about 65% of Yamaha models.
Fuel capacity85th
18.6 L — larger than about 85% of Yamaha fuel tanks in this database.
Mechanical overview
Engine layout snapshot
In-line four, four-stroke • 653 cc • Air cooled
Chassis snapshot
5-speed • Chain (final drive) • 3.25-19 front / 120/90-18 rear
Additional useful specifications
| Front tire size |
3.25-19 |
| Rear tire size |
120/90-18 |
| Rear tire width |
120 mm |
| Rear tire aspect ratio |
90% |
| Rear rim diameter |
18 in |
| Estimated theoretical fuel range |
339 km |
Engine specifications
| Engine type |
In-line four, four-stroke |
| Displacement |
653 cc (39.85 cu in) |
| Compression ratio |
10.5:1 |
| Valves per cylinder |
2 |
| Cooling system |
Air |
| Fuel system |
Carburettor |
| Fuel control |
Double Overhead Cams/Twin Cam (DOHC) |
| Ignition |
Digital |
| Starter |
Electric |
| Lubrication |
Wet sump |
Transmission and drivetrain
| Gearbox |
5-speed |
| Final drive |
Chain (final drive) |
| Clutch |
Wet multiplate |
Brakes, wheels and tires
| Front brakes |
Double disc |
| Rear brakes |
Expanding brake (drum brake) |
| Front tire |
3.25-19 |
| Rear tire |
120/90-18 |
Dimensions and weight
| Dry weight |
230.9 kg (509 lb) |
Fuel and emissions
| Fuel capacity |
18.55 L (4.90 US gal) |
| Fuel consumption |
5.47 L/100 km (18.3 km/l or 43.00 mpg) |
| Greenhouse gases |
126.9 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed |
196.3 km/h (122.0 mph) |
| Power/weight ratio |
0.3162 hp/kg |
Other specifications
| Color options |
Silver grey with blue |
| Exhaust system |
Double with chrome pipes |
| Price as new |
US$ 2800. MSRP depends on country, taxes, accessories, etc. |
| Comments |
European styling with great handling – Popular in Europe but did not sell well in the states – Sold in US 1982 only |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.