SOHC.co.uk Forums > CB750
Starter Motor
atlsec:
Hi Guys,
Having now got to the point of starting the motor (k1) the starter ran ok on and off for about a week while testing but now runs very hot and slows down very quickly , (no plugs).There seems little resistance when turning the motor by hand so I assume the starter windings are dying . If so does anyone have a good starter to sell me? .I have looked at the ones DK are selling and they all seem to have been just hacked off the motor with no thought to the parts .I also do not think they are tested either . Please let me know asap as this is now holding up work on it . Thanks a lot , Alan .
mike the bike:
Why not have a go at stripping it sown and servicing it. There's only one moving part to worry about. I wouldn't mind betting the brushes are worn and the commutator needs a clean up.
Trigger:
--- Quote from: atlsec on June 20, 2015, 08:13:15 PM ---Hi Guys,
Having now got to the point of starting the motor (k1) the starter ran ok on and off for about a week while testing but now runs very hot and slows down very quickly , (no plugs).There seems little resistance when turning the motor by hand so I assume the starter windings are dying . If so does anyone have a good starter to sell me? .I have looked at the ones DK are selling and they all seem to have been just hacked off the motor with no thought to the parts .I also do not think they are tested either . Please let me know asap as this is now holding up work on it . Thanks a lot , Alan .
--- End quote ---
These never go wrong. You will need:
1 tin of carb cleaner
1 tin of WD-40
Some tooth picks.
It will be down to carbon build up. Strip the motor down and clean it with carb cleaner. Use the tooth picks to scrap any carbon out of the groves. A quick look for any wear and if all looks good, a coat of WD-40 and put it back together.
http://www.sohc.co.uk/index.php/topic,7202.msg46787.html#msg46787
atlsec:
Hi ,
Thanks for the replies ,I will try that this morning ,will keep you posted . Thanks , Alan .
ginger_jim:
Wouldnt it be worthwhile replacing the bushes while you are at it. They are really cheap anyway.
Cheers
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