Does anybody know what the thread is on the wiring outlet by magneto?

turbobuick1 · Mar 15, 2013

Hi guys, im wondering if someone has measured and knows what the threadbis on that crappy little nylon plug by the magneto is (you know, where the wires come out of the engine case). Im at work roght now, otherwise i would measure it myself.

Really appreciate any knowledge on this i can get! The nylon plug on mine is in rough shape, and if im not mistaken i believe it is 3/8 pipe thread, though in my mind i would think they would use metric thread.

turbobuick1 · Mar 15, 2013

turbobuick1 said:
The nylon plug on mine is in rough shape, and if im not mistaken i believe it is 3/8 pipe thread, though in my mind i would think they would use metric thread.

I meant to say 1/4 npt pipe thread.

2door · Mar 15, 2013

It is not an SAE pipe thread. It is a metric machine (no taper) thread but not sure of the size. I'll measure one later and post it for you.

Tom

Legwon · Mar 15, 2013

This would be nice to know as I had to rip mine out when I replace my magneto wires :s

2door · Mar 15, 2013

Mine measures 14mm X 1.25 thread pitch.
I measured 3 different engines.

Something like it might be hard to find. You could replace it with a rubber grommet. Ace hardware has something that would work nicely.
It wouldn't thread in but a tight fit would keep it in place. It also needs to be sealed with a silicone sealant to prevent moisture from getting in around the wires.
Tom

wan37 · Mar 15, 2013

On both of my engine it's like a rubber grommet.I have a sky hawk and a bgf both were bought new too.

Legwon · Mar 15, 2013

wan37 said:
On both of my engine it's like a rubber grommet.I have a sky hawk and a bgf both were bought new too.

i have the little rubber gromet on my OLD engine(7-8yrs) but not the new one(2-3months)... its like a hole thru the casing

Maxvision · Mar 16, 2013

2door said:
Mine measures 14mm X 1.25 thread pitch.
I measured 3 different engines.

Something like it might be hard to find. You could replace it with a rubber grommet. Ace hardware has something that would work nicely.
It wouldn't thread in but a tight fit would keep it in place. It also needs to be sealed with a silicone sealant to prevent moisture from getting in around the wires.
Tom

Agree...rubber grommet works great. Radio Shack should have big ones to fit. Silicone is good idea for extra protection but I've never used it. Grommet fits good and tight and Silicone never really sticks to anything once it's dried...but I don't ride in the rain either.

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Does anybody know what the thread is on the wiring outlet by magneto?

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