Originally Posted by
deadmancourt
Nailed it mike......and if you put in ceramic bearings.....you will see even more power.....GX5R with ceramics has the top end of a 7 port and the bottom is just perfect
...all the grunt you will ever need....then there's a 6.5mm carb restrictor that will give it even more bottom
....I run the 7mm restrictor cause it gives the best all around performance
i run the 7mm also, when running on a tight small track i go to the 6.5, and big HUGE track 8mm
also do a pipe change from small to big track