MY 10 STEPS TO PERFORMANCE

I have listed the following steps and some links to the components I am talking about. These links are primarily for the GY6 150cc. If you have a different engine, please make sure you order the correct parts. Also, I have listed 10 steps. You can do any one of the steps at just about about any time.

1. One of the first things to change is the CDI. Look for a CDI that has an unrestricted rev limiter or a limiter of 9000 rpm. Some CDI's also have a better curve for the advancement of the ignition. You may notice a big change with this because most stock CDI's are limited around 5500 rpm.

2. After changing your CDI the next thing to change is your output coil. Adding a high output racing coil will increase the strength of your spark.

3. Now is the time to decide on which way to go. Either CVT rollers Heavier roller weights= A slower take off speed with more acceleration and a higher top speed. Lighter roller weights = A faster take off speed with less acceleration and lower top speedand clutch or a performance exhaust. I would say that the performance exhaust system is the way to go. It may be a little expensive, but you would be actually increasing the power and not just change the power curve.

4. With the new exhaust you will probably have to change the main jet in the carb. You can use the stock carb and replace the main jet larger until your scoot is running correctly. Read your plug for correct setting. You can find charts online.

5. To get a little more power, you can install a 30mm carburator. In doing this you have to install a larger intake manifold to handle the 30mm carb.

6. I have seen scooters that when a new clutch was put in the speed increased by as much as 10 to 20mph due to slipping of the clutch. A racing clutch kit is needed for the extra torque. If your clutch is working properly, a stronger spring will help, especially on takeoff. If you put in a yellow spring tht is rated at 1500rpm, you will notice the difference compared to the stock spring.

7. Adding a new variator with different ramps and slider weights will give better take off and speed.

8. Changing your roller weights is probably the best bang for the buch. You are not increasing the power, rather putting it where you want it. You can do this without doing anything above, but I would suggest that you increase the power of your scoot first. Heavier roller weights= A slower take off speed with more acceleration and a higher top speed. Lighter roller weights = A faster take off speed with less acceleration and lower top speed. The gy6 engine has its maximum torque at 7500rpm. Be careful not to go too much over this unless you build the engine for higher rpm. Also the weight of the driver has a lot to do with it. Buy a few sets of the less expensive rollers to do the experimenting. Remember that the size of the rollers depends on your variator.

9.Expect better performance from your scooter, period. No matter what stage you are in upgrading your scooter, simply add SN SLIDER weights and you will see more speed and power in your bike! Over 20% longer lasting than traditional rollers of composite material. SN Sliders weights are the most advanced weights available. These sliding rollers perform better than standard round weights by allowing the variator to open farther for higher top speeds, and last longer with less performance material loss.

10. Irecommend upgrading the belt on all CVT units whenever possible with a Kevlar belt.