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How long to warm up

Discussion in 'XJ Technical Chat' started by bigben750, Sep 28, 2006.

  1. bigben750

    bigben750 New Member

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    Location:
    Grand Rapids, MI
    How long does it take for you guys (and girls) bikes to warm up?

    My 1982 XJ750J takes about 5 minutes or so. Which is of course five minutes to long.

    I went to return a couple of videos last night (around 9pm) to a Family Video about 1 mile from my house. I was thinking of taking my bike but I didn't want to wait for it to warm up. So I jumped in my truck and went to return the video. I got there, left the truck running and lights on, jumped out and dropped off the videos. Went back to my truck and found that I accidentally lock my doors when I got out.

    Of course we don't have a spare key, so I called my wife at home and she got our next door neighbor, who does auto rescue, to come and unlock my truck.
    That was an embearesing hour.
    I learned my lesson and made 2 extra keys for my truck today and I'm going to take my bike next time.
     
  2. Robert

    Robert Active Member

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    I agree, heck of a lot easier to hotwire a bike than a locked truck! Sad lesson, sounds like you got off cheap however! Lucky you. 5 minutes sounds just about right to warm up. I run partial choke on my FZR in the mornings and I'm idling normally within 2 minutes (ain't So-Cal great?).
     
  3. RickCoMatic

    RickCoMatic Well-Known Member

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    Location:
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    Well ... let's see!

    Grand Rapids, MI ... hmmm. That's somewhat closer to the North Pole than Billerica, MA.

    Warm-up time being directly related to the atmosphere ... (carry the one, plus ...)

    It being Fall in the US of A ... (divided by ... )

    Chilly temps plus atmospheric radiational cooling ... (dew point average)

    Plus 1.625 degree Global Warming ...

    With X being the unknown factor of warm-up rpm's ...
    With Y being the unknown factor of fuel enrichment ...
    With Z being the unknown factor of the cylinder head's conductivity to the invective heat generated by internal combustion ...

    X, + Y, times Z = yea ... five minutes sounds about right! More or less. : )
     
  4. MiCarl

    MiCarl Active Member

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    Location:
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    I start mine, almost immidately turn off choke. Put on helmet, pull on gloves and ride. Can't be much more than 1 minute and I think the bike is ready before that.

    It is an an attached garage so it' probably been about 60 deg. this past week.
     
  5. SecaGirl

    SecaGirl Member

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    If it'll run smoothly with the choke lever under the horn button, you're ready to ride.
     
  6. richard03

    richard03 Member

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    I start mine before I put helmet and gloves on, jump on, and it is usually warm in 2 to 5 blocks. That is pretty good!
     
  7. Fraps

    Fraps Member

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    Location:
    Kitchener, Ontario, Canada
    Warm up? I rode to work last week in 5 degree celcius weather. My commute is about an hour and I couldn't work the levers by the time I got there!

    Oh Wait...were you talking about the bike warming up? I get her started and pin it - it warms up a few clicks down the road.

    :)
    Freakin Canadian Winters!
     
  8. fyrman

    fyrman Member

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    Location:
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    I start mine with 1/2 choke till it revs, then cut back to 1/4 choke and wait
    5 minutes.
    Then I turn choke off and then I'm ready to roll............................:)
     
  9. Joel07

    Joel07 Member

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    I usually just use the choke to get it running, then take it off within 10-15 seconds. Let it idle while I put my helmet and gloves on, and go riding!

    But, the coldest it's ever been when I rode it was about 52 degrees. Haven't tried much colder than that yet. Need to get some warmer gloves first! :lol:
     
  10. T0mW

    T0mW Member

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    I usually start mine, give it a little choke, and as I am strapping my bag on the back, reduce the choke till its off, zip my jacket, put my helmet & gloves on and its ready to go. That works even in 30 degree F weather. I would guess about a minute or two at the most.
     
  11. RickCoMatic

    RickCoMatic Well-Known Member

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    I tried it today ... 53-Degrees F.

    I levered the "Choke" over to Full. Hit the button. Started immediately.

    Was reving fine. Not popping or missing at all. Started right out and I could "Find" the right amount of enrichment ... actually adjusting the mixture with the thumb lever ... until enrichment wasn't needed and the lever pushed all the way shut.

    Under two minutes; I'm sure of it.
     

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