The cost of a 4t Beeline 50cc scooter can vary depending on the specific model, location, and any additional features or accessories. However, as of my knowledge cutoff in September 2021, the price range for a 4t Beeline 50cc scooter is typically between $1,000 to $2,000. It's important to research and compare prices from different dealers or sellers to find the best deal. **

Some popular scooter brands include Vespa, Kymco, Beeline, Honda, Yamaha, and Piaggio. Each brand offers a range of models with different features and designs to cater to various preferences and needs. Whether you are looking for a classic retro style like Vespa, a sporty option like Kymco, or a budget-friendly choice like Beeline, there are several reputable scooter brands to choose from. **

To tune the Beeline Roller with Yamaha or Peugeot parts, you can start by researching compatible parts from these manufacturers that are suitable for your scooter model. Look for performance upgrades such as exhaust systems, carburetors, and variators that are designed to fit your Beeline Roller. You may also need to make some modifications to ensure proper fitment and performance. It's important to consult with a professional mechanic or tuner who has experience with these types of modifications to ensure that the parts are installed correctly and safely. **

After being derestricted, the Beeline Veloce Roller 50ccm from 2009 can reach a top speed of around 45-50 mph (72-80 km/h). The exact speed may vary depending on factors such as rider weight, road conditions, and maintenance of the scooter. It is important to note that derestricting a scooter can affect its performance and may void the warranty. **

Possible causes for performance decline in the 4-stroke Beeline Veloce GT 50 scooter could include issues with the fuel system, such as a clogged fuel filter or dirty carburetor, which can restrict fuel flow and lead to decreased performance. Another potential cause could be a problem with the ignition system, such as a faulty spark plug or ignition coil, which can result in poor combustion and reduced power output. Additionally, issues with the air intake system, such as a dirty air filter or restricted airflow, can also contribute to performance decline in the scooter. Regular maintenance and troubleshooting of these systems can help identify and address any performance issues. **

After being derestricted, the Beeline Veloce Roller 50ccm, built in 2009, can reach a top speed of around 45-50 mph (72-80 km/h). This is a significant increase from its restricted speed, which is typically around 30 mph (48 km/h). It's important to note that derestricting a scooter can affect its performance and may also have legal implications, so it's important to consider these factors before making any modifications. **

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