1983 Benelli 654 T

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Specifications
- Category
- Unspecified category
- Displacement
- 604.0 ccm (36.86 cubic inches)
- Displacement (cc)
- 604.00
- Engine details
- In-line four, four-stroke
- Power
- 50.0 HP (36.5 kW) @ 8700 RPM
- Top speed
- 172.0 km/h (106.9 mph)
- Compression
- 9.3:1
- Bore × stroke
- 60.0 x 53.4 mm (2.4 x 2.1 inches)
- Valves/cyl
- 2.0
- Fuel control
- Overhead Cams (OHC)
- Cooling
- Air
- Gearbox
- 5-speed
- Transmission
- Chain (final drive)
- Front tyre
- 3.25-18
- Rear tyre
- 3.50-18
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Wet weight
- 203.0 kg (447.5 pounds)
- Fuel capacity
- 22.00 litres (5.81 US gallons)
The 1983 Benelli 654 T
The 1983 Benelli 654 T sits in that odd middle ground of Benelli's lineup from the era, a Japanese-sourced inline-four wrapped in Italian styling, built for riders who wanted multi-cylinder smoothness without chasing a full liter-class machine. In practice, it's a mid-weight standard that rewards steady, all-day riding rather than aggressive canyon work — the kind of bike you point toward a weekend loop and just settle into. The chain final drive and modest curb weight make it approachable for less experienced riders, while the four-cylinder note gives it a character that four-stroke singles and twins from the same period couldn't match. The 1983 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1982 example should focus on mileage, service history, and condition rather than spec differences. Today's buyer is usually a Benelli enthusiast or someone collecting oddball Euro-Japanese hybrids rather than a mainstream UJM shopper chasing a CB650 or GS650. Collector interest remains low, which means these sell on condition and curiosity more than speculative value, appealing to owners who want something genuinely different in the garage.
All Benelli 654 T years
More Benelli models, 1981–1983









