Car wiring diagrams: Fatcat Honda Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Use genuine HONOA or HONDArecommended parts and lubricants or their eqUivalent. Parts that don t meet . Alter reassembly, check all parts for proper installation and operation. . Other viscosities shown in the chart may be..I need a wiring diagram desperately. Anyone got a wiring diagram for the cat? Geez Rob, you need to be on the Fatcat forum! mine was officially imported by Honda with a view to sell them as an ag bike but never went .The Honda FatCat had an engine close to the TRXSX and the TRXSX. Above is a picture of a Honda ATCR made made into a .