Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Introduction  (Read 836 times)

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  • Offline Tellboy

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    Offline Tellboy

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    • Bike/Model: 2014Tiger 800 XC
    • Location: Bracknell
    Introduction
    on: Nov 25, 2021, 07.15 pm
    Nov 25, 2021, 07.15 pm
    Hi All, I look after my sons Tiger 800 (2014) but I am a classic biker and have a 1967 Triumph T100 T Daytona & 2 BSA's a 1955 A7SS and a 1968 B44 Shooting Star.

    I'm currently having problems with my sons Starter motor on his Tiger. Removed is and found that the brushes were non existent and full of carbon dust. Fitted new Brushed and had the commutator cleaned up on the Lathe. Re-assembled it and stuck 12v across the terminal and nothing.

    Question: will a straight 12volts from the battery be enough to fire up the motor or does it need a more powerful amperage pumped itot it?

  • Online Stevie.P   gb

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    Online Stevie.P

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    Re: Introduction
    Reply #1 on: Nov 25, 2021, 07.58 pm
    Nov 25, 2021, 07.58 pm
    Hi and :401:

    There are a lot of posts on starter motors if you use the 'search' facility .... or check the 'Electrical' section. But AIUI from 6+yrs here it appears 99% are pre-gen 2 bikes (2015 on) had a starter motor that could after certain things, time or mileage, develop hot starting issues. In nearly all cases where these were stripped the condition was as you have found, pretty messy. Of those who chose the new brushes and comm clean route it doesn't appear to have been very successful for most and if it was only lasted short term. Hence most either took a 2nd mortgage and bought the superceded starter from Triumph, or looked towards  new Rick's starter motor or the usual second hand ebay route (preferably for a post 2015 motor). :027:
    Also owned my 1979 Bonnie T140E from new!
    We don't stop playing because we grow old .. WE GROW OLD BECAUSE WE STOP PLAYING!!!

  • Offline chuckxc   au

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    Offline chuckxc

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    Re: Introduction
    Reply #2 on: Nov 26, 2021, 05.05 am
    Nov 26, 2021, 05.05 am
    I've had success doing what you are doing with new OEM  brushes, light lathe cleanup and hacksaw between commutator contacts. Make sure you have a good solder connection on the tab. It should fire up on the bench with a 12 volt battery  and spin-up easily with no load.
    Laterally unstable unless moving.

    My third Triple - 1976 Laverda 3CL Jota
    My 4cyl grunt - 2005 Honda CB1300F

  • Offline Tellboy

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    Offline Tellboy

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    • Bike/Model: 2014Tiger 800 XC
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    Re: Introduction
    Reply #3 on: Nov 26, 2021, 09.22 am
    Nov 26, 2021, 09.22 am
    Thanks guy's for the replies. This morning I used a different battery and bingo, she's working. So I'll do random tests over the next days before I put it back.  :046:

  • Offline Greenman   gb

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    Offline Greenman

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    Re: Introduction
    Reply #4 on: Nov 26, 2021, 02.20 pm
    Nov 26, 2021, 02.20 pm
    Nice to see folks successfully repairing stuff, especially stuff that OEMs would say is not repairable.
    Just doing as much as I can for as long as I can.

  • Offline Tellboy

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    Offline Tellboy

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    Re: Introduction
    Reply #5 on: Nov 26, 2021, 07.15 pm
    Nov 26, 2021, 07.15 pm
    OK, the motor is going, I've still got to re-fit it and then put the bike back together. Give me the old classic bikes anytime to repair/refurbish. Although the Tiger is a nice bit of kit, but I wish these design engineers would make consumables like starter motors easily removeable. :440:

  • Offline jimmy60   us

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    Offline jimmy60

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    Re: Introduction
    Reply #6 on: Nov 30, 2021, 05.26 pm
    Nov 30, 2021, 05.26 pm
    *Originally Posted by Tellboy [+]
    OK, the motor is going, I've still got to re-fit it and then put the bike back together. Give me the old classic bikes anytime to repair/refurbish. Although the Tiger is a nice bit of kit, but I wish these design engineers would make consumables like starter motors easily removeable. :440:
    I agree.. couldnít they make it more accessible  :110:
    Time and tide wait for no man.

  • Offline Tellboy

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    Offline Tellboy

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    Re: Introduction
    Reply #7 on: Dec 03, 2021, 09.29 am
    Dec 03, 2021, 09.29 am
    Just an update. Bike back on the road and starting woe's seem to have disappeared, both when cold and hot. Only time will tell.

    So any biker with a bit of mechanical know how could save themselves a lot of expense and change out the starter motor. All it needs is watch the video's, read the manual, plenty of photos and patients. :031:

  • Offline T800XC   england

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    Offline T800XC

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    Re: Introduction
    Reply #8 on: Dec 03, 2021, 01.14 pm
    Dec 03, 2021, 01.14 pm
    I did a similar thing to the one on my 800XC back in 2016, see here for info & photos...

    https://www.tiger800.co.uk/index.php/topic,11947.msg229214.html#msg229214

    It lasted around 18 months before the problems returned so I bought the upgraded version (2nd hand) followed by a new battery and all was good again.

    ...happiness isn't happiness without a violin-playing goat...

  • Offline Tellboy

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    Offline Tellboy

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    Re: Introduction
    Reply #9 on: Dec 06, 2021, 03.58 pm
    Dec 06, 2021, 03.58 pm
    Hi, I did read your original post, which was very helpful, before I attempted to do my sons. However, the condition was a lot worse than yours, it was completely full of carbon dust and one brush was down to the wire and the other three no longer than 2mm. But I do believe that the problem will possibly return. When re-dressing the commutator I had to clean the separations a couple of times, because of the crusty carbon deposits. So I think the new brushes will wear down quicker than before.

    The bike has done over 30K so the old brushes have been round the block a few times. I'm told that the starter is performing far better than before and the heat soak has disappeared for the time being. Anyway, thanks for the warning, maybe we'll upgrade in the New Year  :047:

     


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