Hi all me again!! I've just ordered a gates belt and will be ordering dr pulleyrollers, 26g to hopefully get a higher top speed. I'm currently topping out between 69mph and 70mph at rev limiter.  But  I've read i can also change the clock settings. Can any one point me in the right direction.  Thank you.I'm hoping to achieve about 75mph . As I use the quad for both road and (green laning) uk . It's just annoying overtaking a car and they decide to speed up to 70.

[2015 Z Force 800 53/Trail EPS]

The DR. Pulley sliders will travel a slight bit farther in both directions then the stock rollers did so that will change both ends slightly by itself. However by going heavier then the stock your shiftout will be faster and at a lower RPM so you may see reduced acceleration on the low side being farther under the power curve. You can correct that by clocking the secondary to the next setting up from the factory which should be A1. I might be tempted to go to C1. Neither will add top end ad it will still allow full shiftout. There is no way to gain any more extra speed other then to raise the rev limiter or put larger tires on it or modify the clutches themselves.

You do realize you will probably be killed from being unloaded from a quad at speeds above 60mph...right?

Stick with the 25g. I suspect you already are pushing the primary as far as it will go. The sliders might help a little bit, it's more fun for me coming out of a corner and stomping on it and your gone.

Are you pushing 70MPH or KPH? How much do you weigh?

Mine is a cfmoto Cforce 800 2015 right out of the box I was able to hit 75 and I weigh 220 my wife can hit Max 77

Is this on the dreameter or on GPS ?

Lol, the dreameter.  That's good.

When you have time, please compare with the GPS . On the ZForce 800 the speedo read minimum 10 to high...

[2015 Z Force 800 53/Trail EPS]

There has been a problem with the speed sensors on some of these...just food for thought.