Honda Grom SP - 2026 Specifications and Reviews

The 2026 Honda Grom SP is a nimble 123.9cc lightweight designed for urban commuting, beginner riders, and fun-focused enthusiasts seeking minimal maintenance and maximum maneuverability. Powered by an efficient air-cooled four-stroke single with PGM-FI fuel injection, it delivers predictable power and excellent fuel economy. Best known for its playful character, compact footprint, and accessible performance, the Grom SP excels in tight spaces and delivers pure riding enjoyment without complexity.

2026
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General information

Color OptionsMatte Black Metallic
 
 

Engine and Transmission Specifications

ClutchMultiplate wet
GearboxManual; 5 speeds
Final DriveChain final drive; 15T/38T
StartingElectric
IgnitionFull transistorized
InductionPGM-FI automatic fuel injection w/ 24mm bore
Compression Ratio10.0:1
Bore x Stroke50.0mm x 63.1mm
Valves Per CylinderOHC; two valves
Engine Type123.9cc air-cooled four-stroke 80º single cylinder

Physical measures and capacities

Wet Weight224 lbs.
Fuel Capacity1.6 gal.
Wheelbase47.2 in.
Ground Clearance7.0 in.
Seat Height30.0 in.
Overall Height40.0 in.
Overall Width28.6 in.
Overall Length69.2 in.

Honda Grom SP dimensions and frame

Trail3.31 in. (84mm)
Rake25º
Rear Tyre130/70-12
Front Tyre120/70-12
Rear BrakesSingle 1-piston hydraulic caliper w/ 190mm disc
Front BrakesSingle 2-piston hydraulic caliper w/ 220mm disc
Rear SuspensionSingle shock w/ box-section steel swingarm; 4.1 in. travel
Front Suspension31mm telescopic inverted fork; 4.3 in. travel
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track55%
City95%
Cornering75%
Daily Riding70%
Touring15%
Passenger25%

Rider Profile

Best ForFriendly to beginners thanks to its light weight and low seat height, while still fun enough for experienced riders looking for a playful second bike.
PurposeBuilt primarily for urban commuting, tight city streets, and playful mini-bike track days rather than outright speed.
Rider FitVery approachable for shorter or lighter riders due to its low 30-inch seat height and minimal 224 lb wet weight.
CharacterA cheeky, grin-inducing mini-bike that thrives on flickable handling and low-speed fun over raw performance.
Not Ideal ForNot suited for highway touring, long-distance comfort, carrying a passenger, or any serious off-road use.

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

Rider Reviews

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