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Does anyone know what spark plugs will work in this motor? The D-J9,D-7,and 5M-J are all obsolete.Any help will be greatly appreciated.
The D9-J and 5M-J both interchange and the equivalent NGK is A6 or A7.
Heck, here’s a list of different brands to choose from:
http://www.sparkplug-crossreference.com … HAMP_PN/D9
Thanx,Mumbles.