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I have always felt that a twist grip was better than a thumb throttle but I never did try the switch over. I have since installed heated grips so I doubt I will try it now. If it is a choice between heated grips or twist grip throttle its goodbye twist grip throttle. One of the problems with the installing a twist grip is that throttle sensor thing-a-ma-jig. From what I understand it must be operating for the quad to run. It senses for a stuck throttle and stops the engine. If you go ahead with the conversion I would appreciate it if you would post it here for us all to see. Good luck.
98 SP500 EBS
all the polaris aftermarket people sell twist grips. i have one on my 400 xplorer and on my wifes 250 trailblazer. each quad takes a different twist grip cable so make sure who you order from knows for sure what year and model polaris quad you have.
I co-own an off-road motorcycle and ATV accessory store. Last week someone walked in asking if they make left handed thumb throttles. I asked why? He said that he wanted to have two throttles on his ATV so he could steer into sharper turns. I suggested getting a twist grip throttle, but he wasn't interested. I
just think that this is a funny, but interesting idea.
If you ride fast on rough trails, a twist throttle is not going to do well.
To maintain throttle at a steady ratewith a twist throttle, you have to have your wrist in a certain position, and you have to ride just that way. Whoopdeedoos and similar rough terrain make that more difficult than a thumber.
The thumb throttle allows much more flexibility.
If you flat track, or ride on open flat ares, the twist is fine.
Watch for this if you go to a twist:
You hit a jump and are a little off balance. You tighten your grip on the bars to secure yourself, but, oops! You have twisted the throttle. You are now pushed to the back of the machine, the machine has hit the ground under full power, and you NEED to hold on tight. Things can get mighty squirrely if you cannot grab your bars anyway, anytime you need them. (yes, this is from experience, not from guesswork)
Rich Weinssen 1999 Scrambler 500 2000 Scrambler 500 2000 Trail Boss 1998 Magnum 425
azrob, I am also thinking about trying to rig up a left hand throttle...I use my sp500 to sray weeds. My right shoulder gets to crying after about 2 hrs. I would be a nice break to switch to the other side. foster