We worked by looking to not to increase the displacement. We guarantee this modification give the best gain as you can expect for 125cm3.
The result is possible because the base of 250 is there. Which means, big valves and big carburetor.
You will be able to fully use the last gear to make the maximum speed more stable.
Air filter box is modified and carburetor settings are with some new adjustements.
CAUTION: Accelerating increase significantly. In fact, when you want to overtake at 80 km/h, you are unlike the original, a true acceleration provided to grow up faster in highter rpm. The maximum speed will be faster and more frequently come.
List of components: a set of parts carburetor adjustment, a front sprocket and installation manual explaining exactly the modification of the air filter.
All our products are delivered pre-set. So you have only a working installation to perform.
We will provide the exact carb adjustement. So you don't need to spend any time to look for.
Attention to modify the technical characteristics of a vehicle causes a lack of conformity which may prohibit its use on public roads.