Hi, does anyone know what the color code is for the stock 75 gpx 433 primary clutch spring is? anyone know what yamaha spring might be a little stiffer to get around 4000-4500 engagement.
Thank's
Thank's
RJH
New member
We used the GYT springs
YAMMIEGOD3:16
Active member
STOCK IS RED-RED. OPTIONAL SPRING 5000 engagement IS YELLOW/GREEN. 3:16 (yammie tony)