The Honda 150R, commonly referred to as the RS150R in several markets, typically reaches about 130–135 km/h (approximately 80–84 mph) in stock form on a straight, level road with favorable conditions. This is a general guideline, and actual speeds can vary by model year, market calibration, and riding conditions.
Top speed is just one aspect of the bike’s performance. Variations in rider weight, wind, road grade, maintenance, and exhaust or intake modifications can shift the achievable speed. This article explains the typical speed range, the main factors that influence it, and how to measure top speed safely.
Typical speed range for the Honda 150R
In stock form and under ideal conditions, most riders report a ceiling in the low 130s km/h range. Real-world speeds often fall a bit short due to headwinds, elevation, rider weight, and mechanical wear. In markets with different tuning or calibration, the upper end of the range may shift slightly, but the mid- to high-120s to around 135 km/h is commonly cited for unmodified bikes.
Factors that influence top speed
The following factors commonly influence how fast a Honda 150R can go. Each element can push the top speed up or down by small to moderate amounts, depending on conditions.
- Rider weight and any cargo onboard
- Air density, elevation, and wind conditions
- Bike maintenance, fuel quality, and engine health
- Tire condition and profile, tire pressure, and grip
- Gearing and final-drive ratio (affects acceleration vs. top speed)
- Aero and aerodynamics, including rider position and any wind influences
- Exhaust, intake restrictions, and aftermarket modifications
Under optimal conditions with a stock engine and standard setup, the top speed tends to cluster around 130–135 km/h, with some variation by model year and market calibration.
Measuring top speed safely
To obtain a reliable speed reading, use methods that minimize risk and maximize accuracy. The following considerations help ensure a safe and fair test.
- Use a GPS-based speedometer or smartphone app with a reliable GPS signal for accuracy.
- Choose a long, straight, open, and legal road with little traffic and good visibility.
- Ensure proper warm-up, correct tire pressure, and a clean, stable riding posture.
- Have an experienced observer or escort and follow all traffic laws and safety guidelines.
When testing is done responsibly, speeds should be treated as indicative rather than an exact specification, and safety remains paramount at all times.
Summary
The Honda 150R typically reaches around 130–135 km/h in stock form on flat ground with favorable conditions, though real-world results vary by year, market calibration, and riding conditions. Factors such as rider weight, wind, elevation, maintenance, and any modifications can shift the top speed. For safe measurement, rely on GPS-based readings and conduct tests in controlled environments, always prioritizing safety and legal limits.
Can a beginner ride a CRF150R?
It. Not to mention having to kickstart it because it's kickstart only and this bike is not the easiest four stroke to kickstart. So if you stall it and you don't have a good leg for kicking.
What are common CRF150R problems?
Some riders report issues with engine stalling or hesitation during acceleration. This can be caused by a dirty air filter or fuel system problems. Regularly cleaning or replacing the air filter and ensuring the fuel system is free of debris can help mitigate these issues.
What is the top speed of a CRF150R?
Basic Specs
| Specifications | Honda CRF150R (Small Wheel) | Honda CRF150RB (Big Wheel) |
|---|---|---|
| Top speed | 60mph | 60mph |
| Transmission | 5-speed close-ratio | 5-speed close-ratio |
| Seat height | 32.8 inches | 34.1 inches |
| Tire size | 17/14″ | 19/16″ |
Is the CRF150R street legal?
Yes, when all options are selected for the Honda 2024 CRF150R Supermoto Street-Legal Build, fitment is guaranteed.