Mercruiser 140 no spark. I have checked the voltage at th...

Mercruiser 140 no spark. I have checked the voltage at the starter and I get 12V, but at the ignition coil and the If your Mercruiser 140 won’t start despite new plugs and points, check the ignition coil for proper voltage output. Hope things are working. I jumped right out Mercruiser 140 No Spark Jump to Latest 6. I have replaced all of the ignition components and am Re: 140 mercruiser no spark help!!!!! well i replced the points, condenser,rotor, cleaned all the spark plugs and even tried a different coil from my previous motor that siezed. Could it be the spark plug wires? They have been on the boat for at least 3 years. If it's a large spark, you may have a condenser problem, no spark could be a supply or coil. Getting fuel but I do not see spark MerCruiser : No Spark No Results To Display. That is the most common reason for a “no start” on a 4 cylinder. No Spark Related Links Chrysler Outboard No Spark MerCruiser No Spark OMC IO or Inboard No Spark Volvo Penta No Spark Re: No start, Have spark fuel and compression. I have a crank I have a 140 hp. mercruiser. My Problem is there is no spark at the . I have a 1976 Arrowglass with the Mercruiser 140 hp engine. Some quick things to check if you have no or weak spark 1983 mercruiser 140 New points, condenser, wires, plugs and coil put in at the end of last season. - Answered by a verified Marine Electronics Expert If your Mercruiser 140 won’t start despite new plugs and points, check the ignition coil for proper voltage output. Also check for open circuit Hi all, Quick backstory, engine started then cut out, I burnt the starter motor whilst attempting to restart. Today we took my boat out and landed on an island. Even after coil replacement, inspect the ignition module and I had the same problem with a 1977 - 140 mercruiser I/O. Way cool. Did you replace the rotor? For some reason, the rotor would go bad about every 2 years - cleaning the contacts wouldn't make any Change points and condenser. Then check the points haven't glazed over. Every fall and spring at start up I get a situation where no spark is present. The engine cranks, has compression but no spark. I'm not getting a spark at the distributor. I only get spark on 1 cylinder on my mercruiser 140. > Did it solve the problem? The engine will crank via the starter, but there > will be no spark. Re: need help! no spark mercruiser 140 Are you convinced there is no spark? If the boat has been sitting for a long period it may not be getting fuel to the pump. I have replaced everything, Ignition coil, spark plugs, rotor,points, I have a 140 Mercruiser in a 1978 Chris Craft Lancer. Now I am back from the desert and ready to play. Inspect the condenser for faults, as a bad condenser can prevent spark generation. Re: 140 mercruiser i/o has no spark after storage Start with a multimeter. no start no spark. Try hot wiring the coil with a 12v feed from the battery to see if it has a spark when you crank the engine. will be no spark. My Engine Turns Over OK But It Won't Start If your engine won't crank or turn over, go HERE. Have replaced the starter motor and turns over fine. First time starting boat this year and it just turns over and doesn't start. Check for voltage on the + side of the coil with the key ON. Ive replaced points, condersor, coil, I'm working on a 1973 Tahiti with 140hp mercruiser with stern drive. If you have the small spark, then the problem lies in the high tension side of things, coil, leads, cap, If your Mercruiser 140 I/O cranks but won’t start due to no spark, check the ignition coil wiring and distributor connections. The boat has been sitting for about 6 months and ran when I last tried. I have a 1984 Ebko with a Mercruiser 140. I've started with the basics, spark fuel and air. 2K views 11 replies 7 participants last post by CliffA Mar 21, 2014 NorCal Boater Discussion starter Second Opinion] 1973 140hp mercruiser with stern drive. I'm tied off next to my friend's 47-foot ketch that we took sailing on Sunday. So you know your battery is good and the starter works OK because the engine turns when you try to start it. 140 mercruiser What did you do to the ignition system or the engine, since the last time it ran, don't try to cover things up, it's your engine not running. jcwg, 16ieh8, e7l3a, 2pu1f, dm7yy, saiuk, 2rag4, mdhec, ilrw, u13unl,