I put one in My Xplorer 300 and took it back out in a matter of minutes! I don't have a tach, but I'd bet my motor was at about 3,000 rpm to even move!Yes it hit harder, but that is way above what I normally drive in rpm wise. Already got rid of the spring!! Gonna try a different one soon.
'96 Xplorer 300 Aftermarket CDI box, K&N filter, jet kit, reworked expansion chamber from dirt bike, 1" taller + 1" wider rear tires, dual wenches, Rack on rear/w cargo pac, polaris box on front, Mossy Oak cover on seat, back-up lights on rear, aux. power source for GPS,"Theft deturent's", hand protectors, new clutch springs coming! Would love to find GURU style bumpers! By the way, I'm also a graduate of AMI with over 20 years of motorcycle mechanical experiance. New to quads, but the same basic engines. 2 stroke or 4 stroke!