I have a 1974 650 mercury with thunderbot ignition and it wont idle. it just dies out. I works fine on the water and it will only idle if u us the warm up leaver a bit. i have re done the carbs but never messed around to adjust them. I see there is 2 idle screws to the left of the carb...
I have a 1974 mercury 650 with thunderbolt ignition and i just notice that i have water comming out the #1 cylinder spark plug hole. the boat still starts fine and runs fin on muffs. do i need a head gasket? I have great compression at 125,135,135. thanks
ihave a 1974 mercury 650 with thunderbolt ignition and am replacing the impeller the old one had no fins on it so i was wondering which directiond should the fins be going if u were to be looking down at the shaft. thanks
i HAVE A 1974ercury 650 with thunderbolt ignition and i droped the lu to change the impeller to find the impeller has no fins left on it and its saturated in oil. is that the gear oil? if so do i replace the gaskets before i put my new impeller on ? i did notice that one of the three nuts were...
I have a 1974 merc 650 w/ thunderbolt ignition. i was wondering if theres a poppet vaulve on it and if so were. Im not getting anything out of the pee hole what could that be ? the pee holes are just above the prop right? and is there a thermostat on that motor/ any help would be great One...
I was having a problem were my 1974 mercury 650 with thunderbolt ignition would not start and i wasent getting any spark. the coil is cracked in diferent places and thought it was that but i disconected the "mercury switch " and it started right up . can someone help and anser what a mercury...
I have a 1974 mercury 650 outboard with thunderbolt ignition and it has no fire. I looked at the ignition coil and its cracked in several spots all the way through and the plastic is to. i was wondering if ti should still be able to get a spark or is the coil bad and wont create a spark. Is...
i was wondering/ im not getting any spark so i looked at the coil on the side of the motor and its all cracked in different directions ? is it bad? thanks and is cold compression of 125,135,135 psi good as well? thanks :)
i have a 1974 mercury 65 ho thunderbolt ignition and there is no spark at the plugs and cant feel any jult while holding on the wires? and is 125,135,135 for compression on the same motor. thanks
I have a 1974 mercury 650 with thunderbolt ignition and was wondering what is the right spark plug is the right one for this motor? the ones in it are just flat not like ones in cars,smother small engine are these right? thanks
i have a 1974 mercury 65 hp outboard and was wondering if u can use the high gas in her or just the regular gas with the oli of course. what ratio shoul i use also? 50:1? Is a little smoke comming out of the exhaust port normal? thanks
i was on the water today and my motor just started dying out than died completly. woulnt start and was turning hard. thank 30 mins or so would start but wouldnt stay going and gas was coming out the carbs. i found a ful line that leads to the carb to be leaking. what caused the motor to die...
iI have a 65 hp mercury outboard with serial # 7039950 and was wondering if anyone could tell me the year. and also i had the boat out on the water today and ran fine for a bit and died and wouldnt turn over at all but after 30 mins or so started. took the carbs off and cleaned them and fond...
