81What year is that bike?
Did you use any type of tank sealer afterwards?I used a solution of about 50% muriatic acid. Put maybe a guart in the tank after removing petcock and plugging up the holes. Just repositioned it a few times until all the rust gone. Then washed it out thoroughly. Worked like magic. Inside is bright and clean.
Yeah we'll after I get it running I still got to do head gasket job valve seals rebuild the carburetors I just wanted to clean it up before I tore into a greasy engineIf you really want to make it shine, pull the aluminum covers and intake elbows off and polish them. It's a few hours well spent.
They went to a metal impeller in 81The original water pumps had bakelite (early type of plastic) impellers.
What you probably have here is a genuine Honda replacement pump.
The metal impellers are an improvement over the bakelite, I M H O
Sorry some where 81 was the changeover yearThey went to a metal impeller in 81
What is the timing idler upgrade mod, I never heard of it.Waterpump rebuilt transmission cover orings replaced now time to do the timing idler upgrade mod
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