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V11 Sport

Discussion in 'Spine' started by Dolittle, Jun 25, 2013.

  1. Dolittle

    Dolittle Just got it firing!

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    I have an owners manual but I can not find the tire pressure listed, can any one tell me what it is? The bike is an 03.
    Thanks Rich. :(
     
  2. wildgeezer

    wildgeezer Just got it firing!

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    Rear is 2.4 bar one up and front is 2.3 bar. About 35 and 34 psi.
     
  3. john zibell

    john zibell Moderator Staff Member GT di Razza Pura

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    Found the specification here: http://www.guzzitek.org/utilisation/gb/ ... 1_Util.pdf

    Solo, 2.2 bar (32 PSI) front, 2.4 bar (35 PSI) rear
    two up 2.3 bar (33 PSI) front. 2.5 bar (36 PSI)rear

    These look to be a carry over from the recommended pressures on older bikes running bias tires, like my 1990 Mk V Le Mans.

    I think these pressures are low for running radials on the street. My recommendation is 36 PSI front and 40 PSI rear, then increase each 2 PSI for heavier loads. Lower pressures 2-4 PSI for more heat in the tire that will give you more grip if you are heading for some aggressive riding like a track day. Use the pressures you think are correct. I'm sure others will add their opinions.
     
  4. GuzziMoto

    GuzziMoto GT Reference GT Contributor

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    I run 34 front and 36 rear.
    Unless you are way off it is mostly a matter of taste. More air pressure will make the bike lighter steering and more tippy (if that is a word). Less pressure will make the bike heavier steering and more stable. But too much pressure can also reduce grip and make the bike want to fall into corners too much. And too little pressure can also cause issues like make the bike feel like a truck with flat tires. But within that range there is a happy medium. I would start with the manufacturers recommendations, as John posted, and from there add or subtract a pound or two until you like the feel of the bike.
    I remember once riding a Ducati with higher air pressures then I was used to or expecting. It scared the crap out of me, the bike felt like it wanted to fall over and had no grip. Once I dropped the pressures down to what I was used to it was fine.
     

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