have mcm 120 that is having trouble starting when warm. checked for fuel into venturi while throttling..see none. pulled plug and was dry and white. seems to be fuel problem as i believe plugs should be wet with fuel if it doesn't start right? isnt that what accelerator pump does? starts ok...
i have 1984 mcm 120 ser#66-----. after tune up including coil, wires, plugs, cap, rotor, change to electronic ignition..all those are to spec....engine started immediately upon cranking. after adjusting timing to 8 degrees btdc (i think i remember checking mark BEFORE loosening distributor and...
Help..have 1984 mercruiser 120 serial #66----.. battery died leaving me stuck on lake...checked voltage output alternator and was very high! Figured it was internal voltage reg or alternator so I replaced with same ac delco 3 wire. Still have 32-37 volts at Orange output wire! Battery has been...
first time poster . have looked through old posts and still can,t figure out how to wire ignitor module to coil. i have 1984 merc 120r ser#69*******. changing to electronic ignitor 1 ignition. have it hooked up except for positive from module. my coil is a kem u12a (req.external ballast...
