Motobi 254 - 1984 Specifications and Reviews

The 1984 Motobi 254 is a lightweight middleweight sport bike powered by a 231cc air-cooled four-cylinder engine producing 27 horsepower. Its nimble handling and compact 286-pound frame make it ideal for riders seeking responsive performance on tight roads and urban commuting. Known for reliable Japanese engineering and efficient fuel consumption, it represents an accessible entry point to four-cylinder sport riding.

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General information

CategoryUnspecified category
Year1984
ModelMotobi 254

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
Fuel controlOHC
Valves per cylinder2
Bore x stroke44.0 x 38.0 mm (1.7 x 1.5 inches)
Compression10.5:1
Power27.00
Stroke4
Engine typeIn-line four
Capacity:231.00 ccm (14.10 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc130.0 kg (286.6 pounds)
 
 

Motobi 254 dimensions and frame

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions3.00-18
Front tyre dimensions2.75-18

Speed and acceleration

Top speed156.0 km/h (96.9 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity8.00 litres (2.11 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
9.5s
0-60 mph
96.9 mph
Top Speed

Best For

Track45%
City70%
Cornering65%
Daily Riding55%
Touring28%
Passenger25%

Rider Profile

Best ForThis little in-line four rewards riders who enjoy revving a small-capacity engine hard rather than relying on outright torque, making it a fun choice for newer or experienced riders alike who appreciate a novelty high-revving small bike.
PurposeBest suited to spirited urban riding and short scenic jaunts where its light weight and unusual four-cylinder character can be enjoyed at legal speeds.
Rider FitAt just 130 kg, the bike is easy to muscle around at a stop, tip into corners, and manage for smaller or less physically strong riders.
CharacterA quirky, high-revving miniature four-cylinder that trades outright performance for mechanical charm and a distinctive exhaust note.
Not Ideal ForNot for riders seeking real touring range, passenger comfort, or motorway-speed confidence, given its tiny fuel tank and modest 156 km/h top speed.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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