I have a ecu and CDI unit together with a wiring loom here and was wondering if anyone can tell me what it is supposed to fit. The ECU is a Denso product part no. OWF8-85590-00 Additional numbering: 5-071000-466 12N 45. It is attached to a loom with a Yamaha part number OWF8-82590-00, It appears to be for a 2 cylinder bike as there are 2 coil feeds (1 orange and 1 grey). The ECU is based on a removable chip. As far as I am aware Yamaha never made an OWF8. Any ideas??
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