Polaris ATV Legend
Join Date: Aug 2010
Location: Central Connecticut
Tire pressure, correct tire pressure is based on what your riding on, how you ride and the weight the machine is carrying. There for, its near impossible to give you an accurate "number".
Having said this, 17# of air is way too much and as stated is just for seating a bead.
I suggest, something less than 10 to as low as 4# depending on terrain.
Less air gives you a bigger footprint, but doesn't allow for as much speed. It will also allow for side wall pinch and higher possibility for "popping" a bead. Riding at higher speeds with extremely low pressure can cause unsafe handling as well. Tire wear/ the tires life span at these lo pressure will be more rapid/shorter too.
Too much air, gives a smaller footprint, smaller means the tire is not able to "envelop" the terrain. Causes excessive throttle to try to compensate causing more ground disturbance. This is where the TREAD LIGHTLY credo comes in. Personally, I like: "Slow as you can, fast as you have to." In jeeps, tire pressure can be the difference between concurring a obstacle or not conquered it. Higher pressure will cause wear in the center of the tire. (Remember the smaller footprint)
Long story short, get a small compressor and try a couple different pressures and see for yourself the difference. Pick a number and go... Your best "starting n number" will be a riding buddy riding the same terrain that rides simularly to you and is on a simular machine.
If your a bigger guy start higher, if your a string bean lower. More stuff in the ranks, add some air, savvy?
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