PDA

View Full Version : Spark Plug for US90


coyleatc
08-24-2009, 08:28 AM
Does anyone know what the correct number for a 1974 US ATC90? Is this an NGK?

Thanks
MonroeMike
08-24-2009, 08:36 AM
Check the manual

http://72.52.143.80/~trikes/Manuals/ATC%20manuals/ATC90_Shop_Manual_73-78_ATC110_79-81.pdf