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Total newb question...motorcycle tires with air compressor

Cafe Customs

Active member
Joined
Nov 27, 2008
Messages
38
Ok so i just purchased a cheap 3 gal air compressor from hf just to fill up tires and blow gun occasionally. So when filling up a tire do I just turn the regulator to max (90 psi) or do i set it to the amount that the tire should be at? This feels like a dumb question and max would be fine, but I'd rather get it right the first time. Thanks:thumbup:
 
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akdiesel

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Aug 8, 2008
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2,617
Location
Wasilla, AK
I thought those little pumps had their regulators set at 135 or 150 psi max.
I agree with the rest and when you get it to the correct pressure test it with your hand grip to see for future reference to fill it up again and you will be in the ball park, but always use a tire gauge.
Every piece of equipment will have a slight + or - reading diference from others on its gauge. There are test gauges but in this case it is not important to get right on the nats *** plus temps will change your air pressure daily.
 

dwilliams35

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Sep 27, 2008
Messages
271
Location
Pattison, TX
If you don't have it much higher in the compressor, it's going to take you forever to get the last few pounds in the tire. Use a gauge: that regulator is there to protect pressure-rated tools, etc.: filling up tires and blowing off workbenches ain't rocket science.
 
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bomber

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Aug 31, 2006
Messages
207
Location
Group W Bench
+1 on the advice --

As for the gauge, a good one is useful, no doubt -- you've got your motorcycle tires set properly when the hot pressure is approx 10% higher than cold pressure (3 PSI or so), so consistant is more important that absolute accuracy . . . . . . use the same gauge, and you'll be fine.
 

dps

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Mar 13, 2007
Messages
610
When I'm filling auto tires, the regulator is cranked to about 90-100 for fastest filling/topping. When I'm doing bicycle tires, I adjust it to 65lbs. so I can just pop on the inflater and let it go without worrying that I'll blow the tire, and I can skip the gauge.
 

Mandres

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Joined
Jun 22, 2006
Messages
1,157
I use something like this:

UserImg%5CMember_46254.jpg


The gauge tells you the pressure in the tire, so just squeeze until it's filled properly.
 
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