MOPED ARMY

was the stuff on your plug transparant too?

what type of plug are you running?

is your timing advanced or retarded at all?

i wonder what number of NGK plug that autolite would be equal to.

ive been running slightly cooler plugs in my metrakit, B7HS or B8HS, if you think this happened because youre running too hot you could try that.

you should search or check the wiki for that really nice breakdown of sparkplug readings that ive seen before. its got all these nice pictures (color even i think?) maybe one of them has some info for you.

the only thing i can think of that would cause other things to build up on the plug would be if youre really advance and experiancing detonation, with bits of your piston literally melting off. but that would result in a grayish tint, not a transparent one.

maybe something weird in your gas? ive seen plugs turn redish from rusty gas. anything weird going on up in your tank?

joel, it was a fluke. just keep riding it!

Both Jona R and I have had this problem more than once.

I am not sure its a fluke.

I checked quite extensively for an air leak. Found one, but when the bike warmed up it was gone.

I am going to go with some cooler spark plugs of better quality and see it that helps. I am also going to be changing the gearing to 16-45. and maybe I can keep up with you guys.

The Major question for me is, what would cause a plug to bridge like that and cause that varnishing of the plug.

using a high quality synthetic.

This was a chunk of build-up, filling the gap in the plug.

ha, that happened to jona's derbi too?

my plug basicly melted into nothing while at richmond. the metrakit head i found out later takes a 3/4" plug instead of the stock 1/4" plug. maybe that caused it, maybe it didnt. I now run a b9es and it hasnt happend since.

huh?

" found out later takes a 3/4" plug instead of the stock 1/4" plug. "