"HI, I have a 95 mercruiser 5.
"HI, I have a 95 mercruiser 5.0 with a 2barrel Mercarb. It has New Thermostat housing, Exhaust manifolds, Plug wires, Spark plugs, Ignition Coil, Fully charged batteries. The Problem is it is hard to start With one battery on But when i switch too two batteries it...