Amazon: 50cc wire harness Electric Start Wire Loom Wiring Harness 50cc 70cc 90cc 110cc 125cc ATV Quad Pit Bike Buggy Go Kart. 5.0 out of 5 stars 1. $11 $ 11. 99. Get it as soon as Fri, Aug 30. FREE Shipping on orders over $25 shipped by Amazon. Only 18 left in stock - order soon. Best Wiring harness 50cc (September 2019) ★ TOP VALUE Minireen Full Wiring Harness Loom kit CDI Coil Magneto Kick Start Engine for 50cc 70cc 90cc 110cc 125cc ATV Quad Bike Buggy Go Kart Pit Dirt Bikes Description: This is a complete electric start engine wiring harness loom fits for most of 50cc 70cc 90cc 110cc 125cc Pit Quad Dirt Bike ATV Dune Buggy Go Karts 4 wheelers.