The Triumph 3TA motorcycle specifications include a 349 cc (21.30 cu in) engine and a listed weight of 156.5 kg (345 lb).
Key specifications
1957-1966Model years
349 ccDisplacement
156.5 kgDry weight
Model years covered
1957195819591960196119621963196419651966
Year-specific specification changes
No material specification changes from the 1957 baseline were found in the available data.
How the Triumph 3TA compares
This compares the motorcycle with all Triumph models in this specifications database. The blue marker is this model and the grey line is the Triumph database average.
Displacement349 cc
Low 199 ccAverage 949 ccHigh 2,294 cc
About 63% lower than the Triumph database average. Around the 5th percentile across Triumph models.
This model Triumph database average
Triumph database percentile rankings
Percentiles show where this motorcycle sits across the Triumph specifications database. They are descriptive database rankings, not performance ratings.
Displacement5th
349 cc — larger displacement than about 5% of Triumph models.
Mechanical overview
Engine layout snapshot
Twin, four-stroke • 349 cc
Chassis snapshot
Chain (final drive)
Engine specifications
| Engine type |
Twin, four-stroke |
| Displacement |
349 cc (21.30 cu in) |
| Fuel system |
Carburettor. Amal |
| Lubrication |
Dry sump |
Transmission and drivetrain
| Final drive |
Chain (final drive) |
Chassis and suspension
| Front suspension |
Telescopic |
| Rear suspension |
Swingarm with coil-over shocks |
Brakes, wheels and tires
| Front brakes |
Expanding brake (drum brake) |
| Rear brakes |
Expanding brake (drum brake) |
Dimensions and weight
| Dry weight |
156.5 kg (345 lb) |
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 Triumph models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Triumph information before relying on them. Visit the official Triumph website.