I just bought a 2005 King Quad 700 and am new to the forum. Love the machine but I would like to get some more low end power.
After reading up on it, the shim kit sounds like a popular modification. I have also seen guys do lighter weights(18gram) or a stiffer secondary spring with the shims but haven’t read about anyone doing all 3 things.
I went ahead and bought the shim kit, 18gram epi roller weights, yellow epi spring.
Should all these mods work pretty well together and has anyone else done this setup? If so, what kind of increased performance did you experience?
From what i understand shims lower your top speed. So if you are running very large tires and dont care about top speed then shims will work. But if you are more sport and trail oriented and want to keep your top speed you do the Coops clutch mods and send the sheave in and have it machined. https://coop45.webs.com/suzuki.htm
From what I have read, you don’t end up giving up that much on the top end with 1-1.5 shims?? Do you know what it costs to get the sheave machined?
What are your thoughts on lightening the roller weights?
I am not a CVT expert i just bought my KQ750 a few months ago and i am trying to learn the CVT myself. I know running shims will lower top speed. But i regularly get mine up to 68mph and i would like to install a tuner to get it up to a little over 70. Most people dont ride that fast so they dont mind shims. But I decided to have my sheave machined and i think it's about $200 but it also includes lighter weight rollers if i remember right. So you get a lower first gear for better low end power and you get to keep your original top speed. This video might help with the rollers, i have no idea about the springs.
If you want the best results the Coop3 mod is probably the best way to go. If running larger tires the Coop3 mod pretty restores all performance. If not running larger tires you’ll most likely feel some performance gains. Best person to ask about the Coop3 mod is our resident expert Glenlivet. He’s pretty much not a active member on the Forum anymore. Though I’m sure if you look him up he’d be able to answer any and all questions you have regarding this mod.
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