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Anorak's Corner / Metal Covered Plug Caps
« on: May 05, 2024, 10:18:41 AM »
My UK 750K0, CB400F & 450K0 Bomber all came originally with metal plug caps.
Much maligned on here I know but for originality I am fitting them. I managed to get NOS ND ones for my 4 cylinder bikes but the Bomber ones are hard to come by. also one of my NOS 4-cyl ones got badly damaged with acid. So this week I managed to de-crimp the corroded one and replated a grotty looking Bomber one. Pretty sure my CB250K0's and K2 would have had them but not found any of those yet.
I plan to do some tests on them to see why they tracked over the HT in the wet. It's not obvious looking at them why they would track. I suspect the rubber insert may not have sealed too well but a new part moulded in silicone may fix it. A lot of heathen dealers (like the one who supplied my 1st 400F ) just ripped the metal covers off and damaged the grey plastic body in the process.
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Much maligned on here I know but for originality I am fitting them. I managed to get NOS ND ones for my 4 cylinder bikes but the Bomber ones are hard to come by. also one of my NOS 4-cyl ones got badly damaged with acid. So this week I managed to de-crimp the corroded one and replated a grotty looking Bomber one. Pretty sure my CB250K0's and K2 would have had them but not found any of those yet.
I plan to do some tests on them to see why they tracked over the HT in the wet. It's not obvious looking at them why they would track. I suspect the rubber insert may not have sealed too well but a new part moulded in silicone may fix it. A lot of heathen dealers (like the one who supplied my 1st 400F ) just ripped the metal covers off and damaged the grey plastic body in the process.
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