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#Post#: 103224-------------------------------------------------- |
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What's wrong with my starter motor? |
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By: ProDave Date: March 28, 2021, 10:05 am |
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Series 3 petrol SWB standard starter motor. |
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Motor spins when you turn the key, but does not engage. with the |
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engine. Bendix stuck I think. |
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Just taken the motor off and can find nothing wrong. I guess |
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just the buggering about getting it off has "unstuck" it. |
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This has been ongoing for a year now. Fine in regular use, but |
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leave it 2 weeks and it would not engage. Keep on and on trying |
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ant it might free, or start it on the handle, go for a 20 mile |
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run and the vibration has freed it up to now. |
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But now off the motor and on the bench it all looks fine. the |
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bendix is free to move up it's shaft, it appears to be |
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lubricated with a bit of light oil. I guess i will just leave |
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it untouched on the bench for 2 weeks to see if it sticks again. |
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I don't want to put it back until i know it's not going to |
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stick again. |
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#Post#: 103226-------------------------------------------------- |
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Re: What's wrong with my starter motor? |
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By: NoelC Date: April 1, 2021, 5:27 pm |
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My 88 used to do that, I resigned myself to removing the starter |
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motor once in a while, especially after wading in muddy stuff |
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and giving it a good clean and lube. I can't remember what it |
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was but I found some stuff designed for bikes that had PTFE in |
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it which seemed to help. Fitting the 2.5 petrol with it's |
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starter motor solved the problem. rofl |
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#Post#: 103227-------------------------------------------------- |
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Re: What's wrong with my starter motor? |
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By: ProDave Date: April 2, 2021, 7:20 am |
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Well I have witnessed on the bench what I thought was happening. |
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Leave it a week and the bendix does not engage. Turn it by |
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hand and it is stuck and frees almost with a "clunk" |
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I noted the spiral shaft it spins on was coated with oil / |
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grease. Not put there by me and not leaking oil as the rest of |
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the motor and inside the bell housing is dry, somust have been |
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put there by previous owner? |
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I understand this should not be oiled or greased. So i have |
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dried it thoroughly and repeating the wait 2 week test to see if |
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it sticks again or not. |
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In the mean time I have had the brush cover off and confirmed |
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all brushes and comutator good and no work needed there. |
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What, if anything should the spiral shaft the bendix spins on be |
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lubricated with? |
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