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    thermostat problem????

    1885 mercrusier 170hp/470 is the thermostat necessary for the engine to run?? or can you leave it out like the old american cars???
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    need help whats wrong with my cooling system???

    1985 mercrusier 170hp/470 i finally got the engine to run and notice the oil dipstick and hose hooked to the flame arester that it was pushing out or up fluids....could this be a head gasket problem ??? and i notice the heat exchanger was sizzling at the boot or the boot above the heat exchange...
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    interrupt switch help

    1985 mercrusier 170/470 i need to know how to connect the interrupt switch on the control arm to the engine and how does it work because i don't know if i have it in correctly i took it out over 2 years ago and forgot to mark it i have a tester on it and the wire stays disconected in the neutral...
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    i need help cleaning out my cooling system

    I've got a mercrusier 170hp/470 1985 I got it started but notice there was rust chunks resting at the bottom of the coolant cap and was wondering if there was a drain plug at the bottom of the big black tube that hooks to the top connecting to coolant container i was told by an old friend that...
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    need help with eletrical on mercruiser 470

    Hi I need help with my boats electrical. I have a 85 mercruiser 170HP/470 engine I'm trying to get it to run , i hook everything to it finally got it to start after i cleaned out the Mercarb 2 bb and it crank and started if you hold down the start switch when you let it go it stops running i...
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