Question about Dahon 2012 Mariner D7 Folding Bike Bike 20 SIL

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Cannot pump up tires

Dahon mariner does not let my pump inflate the tires. what is the secret?

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It looks like you have problem with either tire or pump, but I believe you have problem with steel nipple on the tire.

Posted on Jan 21, 2014


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Posted on Jan 02, 2017


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How to Maintain a Bike's Tire Pressure for Good Performance?

Buy a good floor pump with a gauge (see "How to Buy a Bike Pump," under Related eHows). A small, frame-mounted pump is useful only for roadside repairs.

Understand that it's normal for most tires to lose up to 10 pounds per square inch (psi) per week. This does not mean you have a slow leak.

Look on the tire's sidewall for tire pressure recommendations. Don't exceed the maximum tire pressure listed.

Inflate your mountain bike's tires to 40 psi for dirt riding. You may wish to inflate your tires to 50 to 60 psi for city riding.

Inflate your road bike's tires to 100 psi for road riding. Some road tires have much higher psi ratings. However, 100 psi will provide a good mix of performance and comfort.

Inflate your hybrid bike's tires to 60 to 70 psi for city riding.

Check your tire pressure before every ride

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How do you inflate a Bicycle tire with the small portable pump? the air is coming from the needle to inflate balls and not from the nozzle. It is a Schwinn small portable bicycle pump.

Usually, the needle used to inflate balls is an attachment to the pump. Is there a lever near the fitting the needle comes out of? Moving the lever 90 degrees from its current position should allow you to pull the needle attachment out. The hole the needle came out of is where the valve stem from your tire goes to pump the tire up. Jam the stem in the hole, crank the lever back to lock it in and pump away. Unlock the lever to release the stem when the tire's inflated and you're golden.

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1 Answer

Unable to figure out how to inflate a bike tire

Could this help?

  1. Have the lever on the pump head pushed down, flat against the pump head.
  2. Push the pump head FIRMLY onto the tire valve.
  3. While still pushing firmly, flip the pump head lever up to lock the pump head onto the tire valve.
  4. Inflate to desired pressure.
  5. When finished, push the pump head lever back down and pull the pump head off the tire valve.
(Once you hook the pump up to your tire and start pumping, the back pressure will switch the flow to the bike valve output.)

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New symbol on dashboard

It's a low tire pressure warning light. Make sure the tires are properly inflated.

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