The Honda Grom top speed is approximately 55–60 mph in stock condition, making it ideal for city rides and beginners. Lightweight and agile, the Honda Grom delivers impressive fuel efficiency and fun performance. With modifications, the Honda Grom top speed can reach up to 70 mph. This mini motorcycle is perfect for urban commuting, stunts, and riders looking for a thrilling yet practical experience on two wheels.
Let’s talk about a motorcycle that’s small in size but huge in fun—the Honda Grom. If you’ve ever seen a Grom zipping around your neighborhood, you already know why people can’t stop smiling when they ride one. It’s not just a bike; it’s an experience. Whether you’re a beginner, a city commuter, or just someone who loves a playful ride, the Honda Grom is a legend in its own right.
What Makes the Honda Grom Special?
- Compact and Lightweight: Weighing about 230 pounds, the Grom is easy to handle, even for younger or smaller riders
- Peppy Engine: With a 124.9cc air-cooled engine, it’s got just enough power to make every ride exciting without being intimidating
- Exceptional Fuel Economy: You can get up to 166.5 miles per gallon, which means more riding and less stopping for gas
- Cool Looks: The Grom’s design is eye-catching and customizable, so you can make it as unique as you are
- Low Seat Height: At just 30 inches, the Grom is accessible to riders of all sizes
- Legendary Honda Reliability: Built with Honda’s reputation for quality and dependability
Detailed Technical Specifications
Engine Specifications
- Engine Type: 123.9cc air-cooled four-stroke 80º single cylinder
- Valve Configuration: SOHC; 2-valve
- Bore x Stroke: 50.0mm x 63.1mm
- Compression Ratio: 10.0:1
- Fuel System: PGM-FI automatic fuel injection w/ 24mm bore
- Ignition: Full transistorized
- Starter: Electric
Transmission & Drivetrain
- Transmission: Manual; 5 speeds
- Clutch: Multiplate wet
- Final Drive: Chain final drive; 15T/38T
Suspension & Brakes
- Front Suspension: 31mm telescopic inverted fork; 4.3 in. travel
- Rear Suspension: Single shock w/ box-section steel swingarm; 4.1 in. travel
- Front Brake: Single 2-piston hydraulic caliper w/ 220mm disc
- Rear Brake: Single 1-piston hydraulic caliper w/ 190mm disc
- ABS: Available on ABS models with IMU (inertial measurement unit)
Dimensions & Capacity
- Length: 69.2 in.
- Width: 28.6 in.
- Height: 40.0 in.
- Wheelbase: 47.2 in.
- Seat Height: 30.0 in.
- Ground Clearance: 7.0 in.
- Fuel Capacity: 1.6 gal.
- Curb Weight: 224-227 lbs. (varies by model)
Tires & Wheels
- Front Tire: 120/70-12
- Rear Tire: 130/70-12
- Wheels: 12-inch cast design with five-spoke pattern
You’re probably wondering: what’s the top speed of a Honda Grom? Can this little bike really keep up with traffic? Let’s break it down.
The Numbers: Top Speed of a Honda Grom
- Official Top Speed: Most Honda Grom models can reach between 58 and 60 mph in stock condition
- Real-World Reports: Riders often see speeds from 55 to 65 mph, depending on things like weight, weather, and road conditions
- Flat-Out Fun: If you’re really determined (and maybe going downhill with a tailwind), you might see an indicated 66 mph, especially if you’re tucked in and drafting behind a friend
Model Year Speed Comparison
| Model Year | Advertised Top Speed | Real-World Top Speed |
|---|---|---|
| 2023 | 60 mph | 59–60 mph |
| 2024 | 60 mph | 55–65 mph |
| 2025 | 60 mph | 60–66 mph |
So, the 2024 Honda Grom top speed and the 2025 Honda Grom top speed are both right around 60 mph, give or take a few depending on how and where you ride.
Why Isn’t the Grom Faster?
The Honda Grom isn’t built for racing down highways. It’s all about fun, agility, and being easy to ride. Its 125cc engine is designed for reliability and efficiency, not breaking speed records. That’s what makes it perfect for city streets, short commutes, and just having a blast with friends.
What Affects the Top Speed of a Honda Grom?
- Rider Weight: Heavier riders might see slightly lower top speeds
- Terrain: Going uphill slows you down; downhill gives you a little boost
- Wind: A strong headwind can knock a few mph off your speed
- Modifications: Some riders add performance parts (like a new exhaust or different sprockets) to squeeze out a few extra mph
The Best Honda Grom Model: Which One Should You Choose?
Honda keeps making the Grom better every year. But which model stands out as the best?
2022 and Newer: The Five-Speed Upgrade
In 2022, Honda gave the Grom a major upgrade—a five-speed transmission instead of four. This means smoother acceleration and a little more top-end speed. The engine also got some tweaks for better power and efficiency.
Why the 2022+ Groms Are Awesome
- Five Gears: More control and a higher top speed
- Better Comfort: A thicker seat and improved ergonomics
- Modern Features: LED lighting, digital display, and optional ABS for safer stopping
- Custom Style: Easy-to-remove body panels for your own custom graphics
2024 Honda Grom Model Lineup
Honda offers three distinct versions of the 2024 Grom:
Standard Grom (MSX125)
- MSRP: Starting around $3,599
- Colors: Blue Raspberry, Pearl White, Nitric Orange
- Features: All essential Grom features with five-speed transmission
Grom ABS (MSX125A)
- MSRP: Starting around $3,899
- Colors: Pearl White
- Features: Includes front ABS system with IMU technology
- Weight: 227 lbs (slightly heavier due to ABS components)
Grom SP (MSX125SP)
- MSRP: Starting around $4,099
- Colors: Matte Gray Metallic with special graphics
- Features: Premium styling package with unique graphics and color scheme
- Weight: 224 lbs
All models come with Honda’s transferable one-year limited warranty, with extended coverage available through HondaCare Protection Plans.
Ownership Costs and Practical Considerations
Purchase Price and Value
The 2024 Honda Grom is a little overachiever with a low price of entry, making it one of the most affordable motorcycles in Honda’s lineup. The base model starts around $3,599, with ABS and SP variants priced slightly higher.
Insurance Costs
Insurance for the Honda Grom is typically very affordable due to its small engine size and lower risk profile. Many new riders find Grom insurance costs significantly lower than larger motorcycles, though rates vary by location, age, and coverage level.
Maintenance and Operating Costs
- Oil Changes: Simple and inexpensive with replaceable oil filter
- Air Filter: Panel-type wet-paper filter with 10,000-mile service life
- Fuel Costs: 166.5 mpg economy means minimal fuel expenses
- Parts Availability: Honda’s extensive dealer network ensures easy access to parts
- DIY Friendly: Many owners perform their own basic maintenance
Financing Options
Most Honda dealers offer financing for the Grom, making it accessible for first-time buyers and those looking to spread payments over time.
Honda Grom vs. Competitors
Key Advantages Over Competitors
- Proven Reliability: Honda’s reputation for quality and dependability
- Strong Resale Value: Groms hold their value well in the used market
- Massive Community: Large, active community of owners and enthusiasts
- Customization Options: Extensive aftermarket support for modifications
- Dealer Network: Honda’s widespread service network for support
Popular Alternatives
- Yamaha MT-03: More powerful but heavier and more expensive
- KTM 200 Duke: Higher performance but significantly more costly
- Suzuki TU250X: More traditional styling but less modern features
- It’s Super Fun: The Grom’s small size and light weight make it a blast to ride, especially in tight city streets or twisty backroads
- It’s Easy to Learn: New riders feel confident quickly
- It’s Affordable: Both to buy and to maintain
- It’s a Social Machine: Grom owners love to ride together, customize their bikes, and share the fun
Advanced Features and Technology
Fuel Injection System
State-of-the-art PGM-FI fuel injection assures optimal fuel delivery and highly efficient combustion. The system includes a large, 2.5-liter airbox that houses a panel-type, wet-paper filter designed for long service intervals.
ABS Technology (Available on ABS Models)
The available front ABS system operates through an IMU (inertial measurement unit) to help prevent front-wheel lockup and keep the rear wheel down during aggressive braking. This advanced system provides enhanced safety for riders of all skill levels.
Engine Design Philosophy
The 125cc two-valve, overhead-cam, air-cooled engine has a compression ratio of 10:1. This is achieved via an undersquare design, with a narrow bore and long stroke—specifically 50.0mm and 63.1mm, respectively.
Safety Features and Riding Tips
Built-in Safety Features
- Low Center of Gravity: Enhances stability and control
- Progressive Brake System: Provides predictable stopping power
- Visibility: LED lighting improves visibility to other motorists
- Manageable Power: Engine tuned for smooth, predictable power delivery
Recommended Safety Gear
- Helmet: Always wear a DOT or Snell approved helmet
- Protective Clothing: Jacket, pants, gloves, and boots designed for motorcycling
- Visibility Gear: Bright colors and reflective materials for urban riding
Riding Environment Considerations
While the Grom can handle short highway stretches, it’s happiest on city streets and backroads where its nimble handling and quick acceleration can shine. The bike excels in urban environments where traffic speeds match its capabilities.
If you’re the kind of person who always wants a little more speed, there are ways to boost the top speed of a Honda Grom:
- Change the Sprockets: Swapping for a different size can give you a few more mph
- Upgrade the Exhaust: A performance exhaust can help the engine breathe better
- Tune the ECU: Some riders use aftermarket tuners for a little extra power
- Lose Weight: The lighter the bike (and rider), the faster it goes
Remember: Safety first! Always wear your gear and ride responsibly.
The Grom in Action: Real-World Riding
Imagine cruising through your neighborhood, weaving through traffic, or heading out with friends for a weekend ride. The Honda Grom isn’t just about speed—it’s about the feeling you get every time you twist the throttle. It’s about freedom, laughter, and adventure. And with a top speed that’s perfect for city riding, you never feel left behind.
Frequently Asked Questions
How fast is the 2025 Honda Grom?
The 2025 Honda Grom top speed is about 60 mph, with some riders seeing up to 66 mph in perfect conditions.
Is the Grom good for highways?
It can handle short highway stretches, but it’s happiest on city streets and backroads.
Which Grom model is the best?
The 2022 and newer models are the best thanks to the five-speed transmission and modern features.
Can you make a Grom faster?
Yes! With some simple modifications, you can boost the top speed of a Honda Grom by a few mph.
Final Thoughts: Why the Honda Grom Is a Legend
The Honda Grom proves that you don’t need a big engine to have a big adventure. With its playful spirit, reliable performance, and just-right top speed, it’s the perfect bike for anyone who wants to make every ride memorable. Whether you’re chasing the 2024 Honda Grom top speed, customizing your ride, or just enjoying the wind in your hair, the Grom is always ready for fun.
So, are you ready to join the Grom squad? Hop on, twist the throttle, and let the good times roll!