i have a 97 yamaha warrior i rebuilt it after it set in pieces for 7 years got it rebuilt bypassed the parkbrake and removed rear brakes atm, took the clutch sensor out and unhooked it because the quad wont start with the sensor hooked up and if i hook the wires together it wont start and it wont let me shift into reverse the quad runs and rides and starts right up wat is the problem i have checked my grounds and still does it any help is greatly appreciated in advance fellow yfm350 riders