I have a solution for you. However you can use the 4-Pole Hardwire Kit with Circuit Tester # 18252 to add a 4-way flat to your motorcycle. Then using the Curt Trailer Connector Adapter - 4-Way Flat to 5-Way Flat - Vehicle End # C57187 we can convert it into the 5-way flat that you need.
There is not a custom fit wire harness for motorcycles. So you will need the circuit tester to find the correct wires to connect to the universal wire harness.
To help I have linked a help article on... view full answer...
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