610 Mule clutch spring
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yes it is possible to measure a spring rate
whats the application in other words, why do you want to know. alot of times people go with a heavier spring in order to make the clutch engage a bit faster. You would have to know how small the spring is suppose to get in order to maintain that load. In other words, when you put the spring on you will compress it some. You have to know the length when its full compressed. In order to get the right spring rate.
Seems like i would try to use factory or aftermarket stuff. i reallly don't know your application. But stronger is better as long as you don't go overboard.
whats the application in other words, why do you want to know. alot of times people go with a heavier spring in order to make the clutch engage a bit faster. You would have to know how small the spring is suppose to get in order to maintain that load. In other words, when you put the spring on you will compress it some. You have to know the length when its full compressed. In order to get the right spring rate.
Seems like i would try to use factory or aftermarket stuff. i reallly don't know your application. But stronger is better as long as you don't go overboard.
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I think they use the stock prairie 650 spring. it's a solid plain spring with no color or stripe. they are a zero stall and about a 135-140 shiftout. very wimpy spring.
try a spring like the Dalton Blue or EPI pink in it. 0-158 ish You don't want to get too stiff of a spring as they are only 400cc and will not like revving that high.
the stock springs are weak and collapse after time. they are a different clutch with the square faceplate and the wide spider.
John
try a spring like the Dalton Blue or EPI pink in it. 0-158 ish You don't want to get too stiff of a spring as they are only 400cc and will not like revving that high.
the stock springs are weak and collapse after time. they are a different clutch with the square faceplate and the wide spider.
John
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445 Posts
i think it only revs to 4k, will that have it hitting the governor?
i have seen people on utility forums talking about using the kfx 700 spring, that was going to be my next step...
the only post i have found anywhere on line listing rpm stated that the 610 spring sift out was @ 2500, and with the kfx spring it was raised to 3000...
john, does that sound right?
thanks for any feedback
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The Vforce spring isn't that much stiffer. if at all. they are similar. it looks like a 2002 p-650 stock spring. The weights in the mule are thick and lumpy. that keeps the RPM's down as they are only geared for 30 mph if that. I think they shiftout in the 3000 range stock.
Now a stock Teryx spring would probably be the ticket they are about 150 shiftout range. I have probably 50 of them here. if you want one you can have it for the cost of shipping.
You can do the throttle governor mod by drilling a hole in it by the backside where the spring goes to let it overrev. that way, you can ruin the motor as the throttle is governed by the metering rod. you can get prob 35 -36 mph out of it that way.
John
Now a stock Teryx spring would probably be the ticket they are about 150 shiftout range. I have probably 50 of them here. if you want one you can have it for the cost of shipping.
You can do the throttle governor mod by drilling a hole in it by the backside where the spring goes to let it overrev. that way, you can ruin the motor as the throttle is governed by the metering rod. you can get prob 35 -36 mph out of it that way.
John
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NO, I meant you'll ruin it. they are easy to overrev if you mod the throttle governor too much.
John
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9,455 Posts
How would that spring work in a 550 mule??
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I don't think so. they have a small motor like 250-300cc's probably a different clutch?? I never even seen one but in a dealer and that was years ago.
John
John
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