At the heart of the 2024 Honda Grom ABS sport motorcycle, Honda features a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 52.4 x 57.9 mm (2.1 x 2.3 inches) with a 10.0:1 compression ratio.
On the scales, the Grom ABS measures 103 kg (227 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 762 mm (30 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,199 mm (47.2 in) wheelbase engineered for quick, flickable steering geometry. The 6.06-liter (1.6 US gal) fuel tank paired with a rated consumption of 1.41 L/100 km provides an estimated theoretical range of roughly 430 km (267 miles) between fill-ups.
Within MotoLibrary's Honda archive, this model family spans 5 indexed model years from 2018 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Theoretical Range
~430 km (267 mi)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, four-stroke
Compression10.0:1
Bore x Stroke52.4 x 57.9 mm (2.1 x 2.3 inches)
Valves/Cylinder2
Fuel SystemInjection. PGM-FI with automatic enrichment
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionElectronic
CoolingAir
Transmission
Gearbox4-speed
Final DriveChain (final drive)
Driveline#420 Chain; 15T/38T
Performance
Fuel Consumption1.41 litres/100 km (70.9 km/l or 166.82 mpg)
Greenhouse Gases32.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission DetailsMeets current EPA standards. Models sold in California meet current CARB standards and may differ slightly due to emissions equipment.
Chassis
Rake25.0°
Trail84 mm (3.3 inches)
Front Suspension31mm inverted fork
Front Travel118 mm (4.6 inches)
Rear SuspensionSingle shock with steel box-section swingarm
Rear Travel104 mm (4.1 inches)
Wheelbase1199 mm (47.2 inches)
Ground Clearance165 mm (6.5 inches)
Wheels & Brakes
Front Tyre120/70-12
Rear Tyre130/70-12
Front BrakesSingle disc. ABS. Hydraulic. Two-piston calipers.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
