What is the speed limit removal for Haojue DK150?

[MacSerenity]

Haojue DK150's speed limit removal is 100 kilometers per hour. Introduction to Haojue DR160: The Haojue DR160 is a relatively good small-displacement sports street bike. This bike has sufficient power, flexible handling, rich configurations, and meticulous craftsmanship, making it a dark horse model among independent brands. Haojue DR160's Engine: The Haojue DR160 is equipped with Haojue's TSR single-cylinder air-cooled engine. This engine has a compression ratio of 9.65:1, an actual displacement of 162ml, a maximum power of 11KW, and a maximum torque of 14N.m, paired with an electronic fuel injection system. This engine is a typical expanded and upgraded engine, so the valve train still uses a single overhead camshaft and a two-valve design, with a relatively low compression ratio.

[AugustLynn]

I've ridden several motorcycles, including the DK150. Removing the speed limiter depends on the specific method—some people flash the ECU, while others modify the gear ratio. Generally, the factory speed limit is around 85 km/h, and after removal, it can reach 95 to just over 100 km/h. But honestly, I wouldn't recommend doing this. The bike has a small displacement, and its frame and brakes aren't designed for high speeds. Last month, I saw someone crash after emergency braking post-speed-limiter removal. Small-displacement bikes have poor stability at high speeds, and the tire grip isn't sufficient. Safe riding is the most important—city roads don't require such speeds anyway.

[LaAlexa]

Removing the speed limit depends on the vehicle's condition. I often help friends tune their motorcycles. The DK150 is factory-limited to 85-90 km/h via ECU, but after modifications, it might reach around 100 km/h. Changing the spark plug or adjusting the fuel injector could add 2-3 km/h. However, the key issue is engine wear—prolonged high-speed operation after removing the limit can easily cause cylinder scoring, and the repair costs could buy you new tires. For daily commuting, the stock speed is more than enough. If you really want speed, upgrading to a larger displacement bike is the smarter move.

[AsherMarie]

As a mechanical enthusiast, I believe there's no fixed value for speed limit removal. The DK150 engine is 150cc, with a factory speed limit around 90 km/h. After removal, it could theoretically reach about 100 km/h, but effects vary with transmission gear ratio modifications and ECU tuning. Note the speedometer may deviate by approximately 5%, with actual GPS readings potentially lower. Tire wear accelerates significantly—I replaced mine after just 8,000 km. The key issue is excessive RPM after derestricting, increasing fuel consumption by at least 15%. Burning an extra half-liter per 100 km isn't worthwhile.