Reply To: Upper and lower crank to bushing clearance?

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January 3, 2025 at 11:14 pm #293137
JOSEPH BRINCAT
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    The general rule for plain bearings is about one and a quarter thousands (.0013) of an inch for every inch of journal diameter. Your bearing is obviously worn well beyond new condition. The question, what is your intended use? The bearing issue aside, will the motor run as it is? if so the best plan may be to just live with it, unless you intend a major “like new” restoration. The extra play in the shaft may affect your ignition point gap, but again may not.

    Joe B