TRX250R.ORG
Workshop => The Mad Scientist => Topic started by: croat1 on November 27, 2020, 09:41:14 PM
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Well here is my problem: brand new engine that was damaged. The cylinder head coolant fitting is broke. I have seen guys replace them with oem ones (held in with a liquid retainer). My thinking is to use readily available fittings.
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I’m thinking of trying to use something like this:
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I have an otherwise nice head with the same problem. Can't wait to see what you come up with Joe.
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The 90° elbow with the swivel nut and sealing washer would be my choice. You would have to make sure the head had a good and flat sealing surface and enough "meat" to cut threads.
Loren
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TIG weld it back into position and roll with it. Perhaps you will need a head gasket, but that's it
desertR
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I'd like an AN option. I hate hose clamps
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Any time I weld the fittings on the head or cylinder. I usually have to machine a few thou from the head gasket surface to get it flat again.
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I’ve thought about this in the past as I opt for AN/JIC fittings on all of my machines for fuel, coolant and lube oil. I think the best option is welding it or having a professional do it if you are not good with GTAW. It should be able to be done with low enough heat and enough small passes to not need to surface the head. Just my opinion as I have not personally welded one, but looking at the surface area, it shouldn’t be a problem.
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I also spoke with the machinist who sales on eBay (can’t remember his name) but he can make a -10 fitting for the side cover to match.
I previously ran AN fitting everywhere but the head. Never got around to that part of the project before selling.
Edit: I believe it is Durbin Machine.