Rear cylinder misfire
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Joined: Oct 2024
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From: wisconsin
Rear cylinder misfire
Confirm sketchy cylinder at idle by removing plug wires one at a time. Chances are when you remove the rear it’ll stay running..like crap lol. You’ll probably get a little shock..lol. With that confirmed, use a long screwdriver and move the rear injector plug wire around to see if the idle changes. Basically, does the rear cylinder fire when you move the wire around. If it does, you’ve found the issue. Loosen gas tank and stuff a bunched up rag under it to hold it up as high as possible. Pry harness from frame right above injectors to give you more length. Using 2 flat screw drivers, push silver retainer clip towards front of bike (from the rear of injector plug) and gently pry plug off injector. Slide heat sheathing as far away from plug as possible and zip tie it. You’ll see places on the wires that are worn so tape them. Chances are, the green wire is the culprit where the wire enters the plug. You can do a continuity check on each wire with a pin stuck inside the wire and alligator clamp, and touch the plug pin. With a safety pin remove the pin out the front of the plug. (You tube the technique). Slide the plug up the wire, expose break and solder the broken section, chances are it will be broke inside the green sheathing which looks just fine. Slide heat shrink over pin and warm it snug.
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