Probably no more top speed as it probably is geared to go only so fast. As faras HP usually 5-6 for the reeds. You will notice much more mid range "snap". I have-force on my 99zrt and also on my 03 zr900. Kevin
A forum community dedicated to snowmobile owners and enthusiasts. Come join the discussion about performance, troubleshooting, trails, maintenance, riding tips, modifications, classifieds, accessories, and more!