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Join Date: Apr 2010
Location: Belvidere, IL
Hi: Central coolant leaks can originate as low as the front cylinder base gasket. Often the leak will be higher up and run down the engine into the area between the cylinders. Common areas to check are the metal coolant tube at the top of the front cylinder. Also take off the gas tank and look over the hoses to the front and rear cylinders, the thermostat area under the gas tank, and up to the radiator neck.
The head gasket can also leak.
Is there coolant pooling between the cylinders? Is there coolant under the bike when you stop? Trace it to the highest point you can.
Check the coolant for discoloration. Also check the oil for level (if coolant is leaking into the oil the level will rise, and the oil will look milky.) and color.
Hope you have an easy fix. Bronson
2005 VN 750
.040 pilot jets.
Splines lubed 1955 mi.
Reset pickup coil gaps.
Shindengen MOSFET RR
V & H Cruzers