Callum Bradburn Posted July 1, 2012 Share Posted July 1, 2012 hi guys i have a problem with my yb100 not starting i have changed the ingtion coil and spark plug points n condeser but it still wont start i then thought it might be low compression but the compression is good i then checked the soures coil in the magneto and im only getting a reading of 0.2v iv cleaned the flywheel up and checked the connections and they all seem fine but now im at aloss for wot to do or check any ideas? Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 1, 2012 Moderator Share Posted July 1, 2012 you changed the points Callum, check they are clear of ground the spring is clear and the insulators are present and correct...it's been a long long time since i had a bike with points Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 1, 2012 Author Share Posted July 1, 2012 hi airhead iv checked the points n there all clear and the insulators are all there. Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 1, 2012 Moderator Share Posted July 1, 2012 when you measured the voltage of 0.2v was your meter set to AC voltage setting? Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 1, 2012 Author Share Posted July 1, 2012 hi no it was on dc but just tryed it on ac n im getting nothing Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 1, 2012 Moderator Share Posted July 1, 2012 was it running before you changed the points and condensor? Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 1, 2012 Author Share Posted July 1, 2012 no i changed them hoping that it would fix it because they looked worn Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 1, 2012 Moderator Share Posted July 1, 2012 Has it ever run? Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 1, 2012 Author Share Posted July 1, 2012 yh it was running till about a month ago it just cut out i was testing its new exhaust at the time Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 1, 2012 Moderator Share Posted July 1, 2012 so you have no spark? its late now will be back tomorrow Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 1, 2012 Author Share Posted July 1, 2012 yh i have no spark kk Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 1, 2012 Moderator Share Posted July 1, 2012 one last thing with the points open what resistance do you get from the moving point connection to ground? Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 2, 2012 Author Share Posted July 2, 2012 hi mate i tested the resistance today but i checked the connections again and found a lose wire so i put some more solder on it so it was a solid connection and it runs thank you for all your help. i also have another problem when i am indicating and press the brake my indicator goes out untill i release the brake any help would be great. Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 2, 2012 Moderator Share Posted July 2, 2012 Could be anything from a past it's best battery to connections on the 23 year old loom to unclean earth points I would go with earth points and battery first and is the battery filled to the correct level with de-ionised water? is it 6v or 12v by the way? Link to comment Share on other sites More sharing options...
Callum Bradburn Posted July 2, 2012 Author Share Posted July 2, 2012 its a 6v system and its just had a brand new battery about a 2month ago coz it dint come with 1and filled to the correct level and iv cleaned all the earth points connections and switchs and its still the same Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 2, 2012 Moderator Share Posted July 2, 2012 have a read of this Brendon, see if it helps Link to comment Share on other sites More sharing options...
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