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FJR Motorcycle Forums
Technical & Mechanical Problems
Coolant leak at the thermostat housing
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<blockquote data-quote="radman" data-source="post: 235992" data-attributes="member: 167"><p>When you do a valve adjust, all of the cooling apparatus on top of the head comes off-as a unit, or in pieces. It has to be removed to remove the cover. It's the worst part of the job, and the most time consuming. When I did it, I took it all apart, cleaned corrosion off of and painted the lower tubes of the water manifold (where they enter the head), as they sit in wells that accumulate water, and the dirt build up retains the moisture, corroding the tubes and the retaining bolts. Anyone with access to an air compressor would be well advised to blow out the junk that accumulates in there whenever the tank is up or off. The water manifold has a very thin anodized coating (gives it that gold color) thats the first thing to go. I also took the opportunity to reseal the disassembled components-I did not need to open up the stat hsg proper, so left that alone.</p></blockquote><p></p>
[QUOTE="radman, post: 235992, member: 167"] When you do a valve adjust, all of the cooling apparatus on top of the head comes off-as a unit, or in pieces. It has to be removed to remove the cover. It's the worst part of the job, and the most time consuming. When I did it, I took it all apart, cleaned corrosion off of and painted the lower tubes of the water manifold (where they enter the head), as they sit in wells that accumulate water, and the dirt build up retains the moisture, corroding the tubes and the retaining bolts. Anyone with access to an air compressor would be well advised to blow out the junk that accumulates in there whenever the tank is up or off. The water manifold has a very thin anodized coating (gives it that gold color) thats the first thing to go. I also took the opportunity to reseal the disassembled components-I did not need to open up the stat hsg proper, so left that alone. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Coolant leak at the thermostat housing
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