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Tyre Checks

By Batchy, Aug 18, 2016 | Updated: Aug 18, 2016 | | |
Checking tyres a part of the ride experience
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  1. The bike's a few months and several thousand K older.
    When first delivered, the tyre pressure monitor was faulty.
    After tossing up whether to have it fixed, I now wonder why I even hesitated.
    Checking the tyre pressure is a breeze. It's now part of the ride.

    I rode to the Sunshine Coast a few times recently. I don't know what it is, but there's often an accident.
    The Bruce Highway becomes clogged.
    I was glad to have the bike. It's easy to zip up on the inside shoulder, passing all the metal cages.

    If you've ever ridden on the shoulder, you'll know that it's a minefield.
    The verges are strewn with broken glass, bits of plastic and metal shrapnel.

    A while back, I was driving from the Gold Coast in my metal cage.
    I pulled over onto the verge to take a phone call.
    Taking off again, the rear wheel had a loud thump, thump, thump.
    I checked the inside tyre. It was dead flat. Feeling around the tyre, I found a huge chunk of metal embedded in it.
    The tyre was stuffed. But it tells you how much trash falls off passing traffic.
    The highway verges are covered with it.

    On the bike, the pressure monitor started to tell me that the rear tyre was losing pressure.
    BMW specify 2.2 bar front and 2.5 rear for single rider, and 2.7 bar with pillion.
    (1 bar = 100kPa) or (32 F, 35-37psi R).
    In a couple of days it would go from 2.5 to 2.1 then 2.0.

    Setting the bike on the centre stand, I rotated the wheel to check the tread.
    Nothing obvious there. No nails, screws or metal bits poking out.

    Then, I noticed a small grey patch that looked like a paint stain.
    I didn't think much of it but wiped a bit of spit over it, thinking the stain might wash off.
    tyreLeak.
    To my surprise, the spit started to bubble, just the tiniest little bit.
    So there it was. A very small puncture.

    I have an upright hand pump for the bike (and bicycles).
    I find it much easier to pump up the bike by hand, rather than wrestling with pressures at the servo.
    A few squeezes on the pump and the pressure is OK for riding. It'll last a coup View attachment 62330 le of days before needing to be checked again.

    The bike is due for a service in a couple of months.
    While it's in, I'll get the boys to fix the puncture.
    Valvoline likes this.

Comments

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  1. Valvoline
    That old chestnut! It's lucky it was a slow leak rather than a large bust!
    1. Batchy
      Thanks Valvoline. Yes, a large bust could mean no story to tell afterwards :)