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Exhaust lifter

Started by Chris54, 08 Nov 2014 at 19:45

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Chris54

Hi Guys, does anyone know what size thread is used for the exhaust lifter cable adjuster part that screws into the crank case, it looks like a tappet guide but has an internal thread for the cable adjuster.
Its the thread in the crank case that i am puzzled about, it measures .4275" or 10.86 mm so would imagine its a worn 7/16 but what pitch? is it 20 TPI, and another strange thing, it has a 5/8 AF Hex, is this correct.
Cheers, Chris