2024Honda Grom

★ 5.0

67 fields on record

The 2024 Honda Grom is a lightweight minibike for riders who want compact, fun and easy-to-handle transport. Its 124cc air-cooled single makes 10.1 hp and 11 Nm, with a 761 mm seat, a 102 kg wet weight and a 6-litre tank.

Capacity: 124.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Wet weight: 101.6 kg
Seat height: 761 mm
Power: 10.1 HP (7.5 kW) @ 7250 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering80%

City riding25%

Daily riding20%

Touring10%

Two-up25%

Track75%

Best for: Built for short, fun rides and easy handling rather than distance or speed.
Built for: A minibike from Honda with a 124cc engine; its character is easy-going and economical, with 10 hp on tap.
Not ideal for: Not for motorway riding, long distances or carrying a passenger.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Range and running costs

Worked out in your browser - nothing is sent to us

Units

Currency

Fuel per litre

Riding a year

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine

Capacity: 124.0 ccm
Power: 10.1 HP (7.5 kW) @ 7250 RPM
CO2 Emissions: 33 CO2 g/km
EPA Certificate No.: RHNXC0.12CTJ-005
EPA Est. Fuel Consumption: 1.41 L/100km (166.8 US mpg)
EPA CO Emissions: 0.4 CO g/km
Torque: 11.0 Nm (1.1 kgf-m) @ 6000 RPM
Engine type: Single, four-stroke
Fuel consumption: 1.40 litres/100 km (71.4 km/l)
Power/weight ratio: 0.0994 HP/kg (wet)
Bore x stroke: 50.0 x 63.1 mm
Compression: 10.0:1
Cooling system: Air
Fuel system: Injection
Starting: Electric
Ignition: Electronic
Aspiration: Naturally aspirated
Valves per cylinder: 2

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multiplate wet
Sprockets: 15/38 (front/rear)

Dimensions & weight

Wheelbase: 1200 mm
Overall length: 1760 mm
Overall width: 720 mm
Overall height: 1015 mm
Seat height: 761 mm
Wet weight: 101.6 kg
Fuel capacity: 6.00 litres
Ground clearance: 180 mm
Dry weight: Not on record - add it

Chassis & suspension

Frame: Steel mono-backbone
Front suspension: 31mm telescopic inverted fork
Rear suspension: Single shock with steel box-section swingarm
Front wheel travel: 99 mm
Rear wheel travel: 104 mm
Rake (fork angle): 25.0°
Trail: 84 mm
Fork tube size: 31 mm

Brakes & wheels

Front brakes: Single disc. Hydraulic. Two-piston calipers. Optional ABS.
Front brakes diameter: 220 mm
Rear brakes: Single disc. Hydraulic. Single-piston caliper. Optional ABS.
Rear brakes diameter: 190 mm
ABS: Optional
Front tyre: 120/70-12
Rear tyre: 130/70-12

Maintenance

Tyre pressure (solo): Front 200 kPa (29 psi), rear 200 kPa (29 psi)
Engine oil: SAE 10W-30, API SJ or higher (not energy conserving), JASO MA
Oil capacity: 1.10 litres
Oil change: 0.90 litres
Oil change with filter: 0.90 litres
Fuel grade: Unleaded, 86 PON (AKI) or higher
Battery: YTZ5S, 12 V 3.5 Ah
Spark plug: NGK CPR7EA-9S, gap 0.8-0.9 mm
Drive chain: DID 420D2, 108 links
Chain slack: 30-40 mm
Brake fluid: DOT 3
Bulbs: Headlight LED; brake/tail LED; front turn signals 21/5 W x2; rear turn signals 21 W x2; licence plate 5 W
Maximum load: 140 kg
Spark plugs: NGK CPR7EA-9S
Brake fluid: DOT 4
Tire pressure front: 29 PSI (2 Bar or 200 kPa)
Tire pressure rear: 29 PSI (2 Bar or 200 kPa)

Other

Color options: Matte Black Metallic, Cherry Red, Force Metallic Silver
Comments: Model ID: Grom125. ABS model ID: Grom125A. Ads 4 lbs to the weight.
Fuel Tank Material: Metal

Specs last verified against published sources: November 2026.