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Thread: Hard start in cold

  1. #1
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    Hard start in cold

    First winter with the shiver and the bike is ridiculously picky with the temperature and starting. The minute the temp drops below 5c it begins being a hit and miss pig to start. Anything above and it seems much better right away. Some days it takes 2-3 times of a good 10 seconds holding the starter to kick in and once it never did and drained the battery. Just dropped a new battery in and pretty much the same so it has to be starter / temp related. I'm sure the starter could do with a strip and clean but in the interim is there any way I could try warm the starter or prevent this from happening?

  2. #2
    apriliaforum prov-nov Yatesy's Avatar
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    I put an electric heater in with the bike, and turn it on ~10 minutes before I want to leave. I point it at the oil filter area.

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    apriliaforum expert High Country's Avatar
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    Some have reported poor connections at the starter due to being loose or corroded. You may want to disconnected each one and scrape it clean before digging in elsewhere.
    2009 Aprilia Dosoduro 750 (Adventurized: http://www.apriliaforum.com/forums/a...893274&thumb=1)

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    Thanks guys. Heater not possible as bike outside but could try hot water soak somehow. I'll also disconnect and clean it too.

  5. #5
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    What battery did you put in? I had a similar issue all logged here:

    http://www.apriliaforum.com/forums/s...hlight=hiccups
    Dorsoduro 750 - commuterised
    Hayabusa Gen2 - never gets wet
    SV1000SZ - heavily modified
    GSXR750K 1989 Slingshot - owned from new
    GSX750 Inazuma - old commuter
    SV650 Curvy - top all rounder

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    I put another make to stock but its the same as Yuasa ytx12bs. As a side note, it was 5c earlier and she started on the button.

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    Fine all week in and around 5c but the weekend was cold and last night was -4. Not happy this morning and would not start at all even with new battery. Surely if it's so temperature related its got to be the starter motor?

  8. #8
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    Same here for me as soon as the icy mornings hit she just didnt want to start till he 3rd-4th attempt, mines kept in a garage aswell. My neighbour says his aprilla scooter is the same and must be an Italian thing.... they just dont like the cold

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    Quote Originally Posted by Caoboth View Post
    Same here for me as soon as the icy mornings hit she just didnt want to start till he 3rd-4th attempt, mines kept in a garage aswell. My neighbour says his aprilla scooter is the same and must be an Italian thing.... they just dont like the cold
    Forgot to say that mine is outside. The odd time it'll take 2-3 tries but thats normally around 3-4 degrees. Anything below 3 and it's more then likely going to be a fucking prick and not start. Tried a good soaking in boiling water while doing rest of bike but no help. Looks like I'll have to try another way to heat up the starter like Yatesy said above
    Last edited by timbermeshiver; 12-11-2017 at 08:16 AM.

  10. #10
    apriliaforum prov-nov Yatesy's Avatar
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    I've frequently thought it warm enough, got the bike out etc and then no joy starting it. Even then, a small directional heater does the job outside. Clearly it's inefficient, but it's also effective!

  11. #11
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    Quote Originally Posted by Yatesy View Post
    I've frequently thought it warm enough, got the bike out etc and then no joy starting it. Even then, a small directional heater does the job outside. Clearly it's inefficient, but it's also effective!
    At least it works! Time to get the extension lead and the missus's hairdryer out Have you ever looked into why it's sticking in the cold?

  12. #12
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    If the battery's cold, clearly the chemistry will suffer and you'll lose voltage - that voltage has to overcome any resistance in the motor and its connections before anything moves. A typical trick is to leave the headlight on for a little bit to gently warm the battery with some current draw, this will bring the voltage up a touch - I often had to do that with my old 125 (Yamaha). This is preferable to just cranking away because it won't warm up much quicker and is likely to go flat instead.

    It's definitely worth whipping off the motor connections and cleaning them up with a wire brush to see if it makes a difference, any corrosion will greatly increase their resistance which won't help a cold battery. Get them protected afterwards, a gob of grease under the boots will do it.
    2009 Shiver (White) | UK

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    Quote Originally Posted by IndelibleInk View Post
    If the battery's cold, clearly the chemistry will suffer and you'll lose voltage - that voltage has to overcome any resistance in the motor and its connections before anything moves. A typical trick is to leave the headlight on for a little bit to gently warm the battery with some current draw, this will bring the voltage up a touch - I often had to do that with my old 125 (Yamaha). This is preferable to just cranking away because it won't warm up much quicker and is likely to go flat instead.

    It's definitely worth whipping off the motor connections and cleaning them up with a wire brush to see if it makes a difference, any corrosion will greatly increase their resistance which won't help a cold battery. Get them protected afterwards, a gob of grease under the boots will do it.
    Aye, been there with the connections and everything seems ok. I have noticed that the battery in the Shiver is quite exposed compared to other bikes I've had and can clearly be seen on either side but I'm still thinking it's water ingress into an possibly somewhat unhealthy starter motor. I've wrapped it in some clothes for the night, the battery is out and on charger (even though it measured 12.6 after lots of starts this morn and being in bike all day) and I'm going to try blast some heat on the motor in the morning if it doesn't start after a few tries to test it.

  14. #14
    apriliaforum expert High Country's Avatar
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    Quote Originally Posted by timbermeshiver View Post
    At least it works! Time to get the extension lead and the missus's hairdryer out Have you ever looked into why it's sticking in the cold?
    You should try the hair dryer, being careful to only warm the starter motor housing as an experiment. It seems like you have the temperature ranges of the issue pretty well identified, so the next time it's 4 degrees outside, give it a go!
    2009 Aprilia Dosoduro 750 (Adventurized: http://www.apriliaforum.com/forums/a...893274&thumb=1)

  15. #15
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    mine was a little hard to start the other morning when cold out. Would fire every other turn. I turned the throttle a tad while kicking it over and she started fine. maybe try that
    Don't be a jerk... jerk

    2016 KTM 250 xc
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