Karl, check your whole ignition system, points, distributor, coil, and plug wires for any looseness damage or wear. Your problem definitely sounds electrical.
Douglas Mountjoy 1988 C&C LF 39 Mexico at large 1984 Sabre 34 Port Orchard, WA On Mon, Jun 12, 2023, 22:42 Karl Kuzis via CnC-List <cnc-list@cnc-list.com> wrote: > Since we are on stories of oddness I have 2. > > First, when cruising along at modest rpm, will have a sudden shut down. > Just off. No change in sound, smell, rpm, etc just as if ignition switch > cut out. Suspecting a loose connection I proofed all wires / connections > and we'll test it out cruising around next week. Any odd ideas to keep in > mind? > > Second, episodically when motoring at higher rpm close to hull speed will > have a sudden racing of the engine with loss of power. Pull back throttle, > and goes back to normal but not unusual to reoccur. Haven't noticed it at > lower speed or rpm. > I'm suspicious of cavitation but haven't thought it thru as to causes, > tests of theory, remedies or other options. Thoughts? > > C&C 29 Mark 1 with a recently rebuilt Atomic 4 and 2 bade folding prop. > > Karl Kuzis > Firefly > C&C Mk1 > karl.ku...@gmail.com > > On Tue, Jun 13, 2023, 3:18 AM Korbey Hunt via CnC-List < > cnc-list@cnc-list.com> wrote: > >> Scary stuff. Frustrating when "professionals" muck things up. >> >> >> Get Outlook for Android <https://aka.ms/AAb9ysg> >> ------------------------------ >> *From:* Todd Williams via CnC-List <cnc-list@cnc-list.com> >> *Sent:* Monday, June 12, 2023 6:40:52 PM >> *To:* Stus-List <cnc-list@cnc-list.com> >> *Cc:* Todd Williams <trwilli...@gmail.com> >> *Subject:* Stus-List Re: Engine strangeness >> >> Jon and others, >> >> Until two years ago, my boat also used to stall in idle when approaching >> docks. Then, midway across Lake Ontario from Cape Vincent to Sodus on a >> calm day the fresh water pump/antifreeze circulator seized up. There was >> melting belt rubber with smoke as the bearings stopped turning. Five days >> and $56 later I had a new antifreeze circulator in place and we haven’t >> stalled out since. The friction in the bearings were enough to strain the >> engine into a stall. >> >> TODD >> >> On Mon, Jun 12, 2023 at 7:26 PM JP Mail via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >> Previous boat >> ‘79 Nicholson 303 >> Yanmar 2qm15 >> 320 hrs. >> >> Starts and runs all day. Slowing while approaching a dock-stalls. >> Change filters, check for loose fuel lines, change crush washers….. >> Approaching a dock….stall. Always while slowing down. >> Approaching the fuel dock at Dodson’s was told “I’m going there!” By the >> nice man on his Hinckley. My response, “Sorry,(engine stalls) I am. >> The fuel pickup was at the forward end of the cylindrical tank. When I >> slowed, all the crud would slosh forward and block the pickup causing a >> stall. >> Unfortunately the yard cleaned the tank and replaced it. they also >> inadvertently punctured it and diesel would run out the bottom. Found this >> out after a day sailing. Back to the yard and a new tank was installed. >> Unfortunately they inadvertently severed the propane line while cutting a >> 2” hole in a bulkhead to run a new vent line. It was obscured by the >> insulation. Found this out when it blew up. With 2 of us onboard. ‘Nother >> story. I’m sure I told it here at some point. >> Jon Pratt >> Hideaway 35-3 >> Stamford CT >> Sent from my iPhone >> Please show your appreciation for this list and the Photo Album site and >> help me pay the associated bills. Make a contribution at: >> https://www.paypal.me/stumurray >> Thanks for your help. >> Stu >> >> Please show your appreciation for this list and the Photo Album site and >> help me pay the associated bills. Make a contribution at: >> https://www.paypal.me/stumurray >> Thanks for your help. >> Stu > > Please show your appreciation for this list and the Photo Album site and > help me pay the associated bills. Make a contribution at: > https://www.paypal.me/stumurray > Thanks for your help. > Stu
Please show your appreciation for this list and the Photo Album site and help me pay the associated bills. Make a contribution at: https://www.paypal.me/stumurray Thanks for your help. Stu
