Product Info | Installation Guide | Buy the APS

* Important - If you are not a competent mechanic do not attempt to install this kit yourself, please have your local dealer install it for you.

 Download the APS Install Guide  (PDF, 214K, About PDF)

 

Accelerator Pump Spring (APS) Product Options:
- all FCR MX carbs (00-018)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHAT MERGE CUSTOMERS ARE SAYING

Bike 100x better with ALJ & APS
"I have an 08 KX250F and it was popping and hesitating when I rode. Stock bike with a PC system. After installing the ALJ and the Merge accelerator pump spring , my bike worked 100 times better. Thanks Merge!"

~ Justin (Nevada)