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Naked Motorcycles

2018Honda Grom

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The 2018 Honda MSX125 is a lightweight, nimble commuter and learner bike that excels in urban environments. Its compact dimensions, low seat height, and manageable power delivery make it ideal for new riders and those seeking easy maneuverability in congested city streets. Known for Honda reliability and fuel efficiency, it combines practicality with fun, accessible performance.

Capacity
125.0 ccm
Engine
Single, four-stroke
Gearbox
4-speed
Wet weight
101.7 kg
Seat height
765 mm
Power
9.7 HP (7.2 kW) @ 7000 RPM

What’s new for the 2018 Honda Grom

vs the 2017
Spec20172018
Front brakes Single disc. Hydraulic. Two-piston calipers. Single disc. ABS. Hydraulic. Two-piston calipers.
Other years 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 29Agility 65Comfort 45Off-road 10Touring 30Road manners 34
Off-road & trail10%
Cornering65%
City riding55%
Daily riding55%
Touring30%
Two-up35%
Track45%
Best for
Naked bike built for its class - everyday, practical use.
Built for
A naked bike from Honda, built around a 125cc engine - a real production model, but this profile is formula-generated from its class and spec sheet rather than individually reviewed.
Not ideal for
Not for serious performance or off-road use.

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

Will it fit you?

Worked out in your browser - nothing is sent to us
At 765mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2018 Honda Grom, with a moderate knee angle of around 105 degrees and a slightly forward riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
125.0 ccm
Power
9.7 HP (7.2 kW) @ 7000 RPM
CO2 Emissions
32 CO2 g/km
EPA Certificate No.
JHNXC0.12CTC-006
EPA Est. Fuel Consumption
1.36 L/100km (173.0 US mpg)
EPA CO Emissions
0.7 CO g/km
Torque
10.9 Nm (1.1 kgf-m) @ 5500 RPM
Engine type
Single, four-stroke
Fuel consumption
1.30 litres/100 km (76.9 km/l)
Power/weight ratio
0.0954 HP/kg (wet)
Bore x stroke
52.4 x 57.9 mm
Compression
9.3:1
Cooling system
Air
Fuel system
Injection
Starting
Electric
Ignition
Electronic
Aspiration
Naturally aspirated
Valves per cylinder
2
Transmission
Gearbox
4-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multiplate
Dimensions & weight
Wheelbase
1200 mm
Overall length
1770 mm
Overall width
740 mm
Overall height
999 mm
Seat height
765 mm
Wet weight
101.7 kg
Fuel capacity
5.50 litres
Ground clearance
160 mm
Oil capacity
1.10 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Steel mono-backbone
Front suspension
USD Front Forks, 31mm
Rear suspension
Mono shock, steel square pipe swingarm
Front wheel travel
118 mm
Rear wheel travel
70 mm
Rake (fork angle)
25.0°
Trail
81 mm
Brakes & wheels
Front brakes
Single disc. ABS. Hydraulic. Two-piston calipers.
Front brakes diameter
220 mm
Rear brakes
Single disc. Hydraulic. Single-piston caliper.
Rear brakes diameter
190 mm
ABS
Optional
Front tyre
120/70-12
Rear tyre
130/70-12
Other
Color options
Red, grey, white, yellow
Comments
Model ID: Grom125
Fuel Tank Material
Metal

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 201420172018202020232026
Capacity 125 cc 125 cc 125 cc 125 cc 124 cc 124 cc
Seat height 754 mm 765 mm 765 mm 762 mm 761 mm 762 mm
Fuel capacity 5.5 L 5.5 L 5.5 L 5.5 L 6 L 6.1 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB Review

The 2018 Honda MSX125 is a stylish and efficient motorcycle with a unique design that makes it stand out on the road. Its compact size and lightweight frame make it perfect for navigating through city streets, while its powerful 125cc engine provides a thrilling ride. The MSX125 also offers great fuel economy, making it an economical choice for daily commuting. With its comfortable seating and smooth handling, this motorcycle is a great option for riders of all experience levels.

The 2018 Honda MSX125 is a popular choice among motorcycle enthusiasts for its combination of style, performance, and affordability. Its sleek design and powerful engine make it a standout option for urban riding. Whether you're a beginner or a seasoned rider, the MSX125's easy handling and comfortable ride make it a great choice for daily commuting or weekend adventures. Overall, the 2018 Honda MSX125 is a fantastic motorcycle that offers a fun and reliable riding experience.

Common questions

What is the engine size of the Honda Grom?

The 2018 Honda Grom has a Capacity of 125.0 ccm (7.63 cubic inches).

What engine power does the Honda Grom have?

The 2018 Honda Grom has a Power of 9.7 HP (7.2 kW) @ 7000 RPM.

How many gears does the Honda Grom have?

The 2018 Honda Grom has a Gearbox of 4-speed.

What is the torque of the Honda Grom?

The 2018 Honda Grom has a Torque of 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 5500 RPM.

How much does the Honda Grom weigh?

The 2018 Honda Grom has a Wet weight of 101.7 kg (224.2 pounds).

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