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View Full Version : Merc 110 lost spark on one cylinder



John Bushey
07-14-2003, 02:14 PM
" 1969? s/n 2708692

After working fine, then sitting for a couple of weeks, I have lost spark in the top cylinder. Plugs are fine, checked by swapping them. Where should I look first to solve this problem?

Thanks,

John Bushey "

chinewalker
07-14-2003, 04:18 PM
" Your motor has points, coils and condensers under the flywheel. I'd bet one of two things - a condenser has gone bad (not uncommon if they're original issue) or the points are dirty or have closed up. Clean the points and gap them at .018". New condensers are available from your Merc dealer - even if he balks at ordering them for you...
- Scott "