Plug reading help

[Gemeiner]

I could use some help reading this plug.to me it looks like my pilot jet is good but the main might be a little lean. Wondering what that white stuff is on the tip of the plug

 

 

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[Larry's Shee]

Explain your procedure for plug chop.

Impossible to do main and pilot chop on same plug.

No clue on white SHIT.

[trickedcarbine]

Showing signs of excessive heat. Looks lean. What is done to the motor and what jets?

Edited April 19, 2016 by trickedcarbine

[Gemeiner]

Everyone says to ride to a long straight away put new plugs then ride through all the gears then turn it off and take the plugs out and then you chop em. Idk much about the process honestly, that's why I came here.

 

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[Gemeiner]

I'm at 4000 feet, compression was like 150 last time I checked if I remember right. Mains are 270 and pilots are 27.5.

 

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[Gemeiner]

Stock carbs, airbox no lid, pc pipes

 

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[ClaudeMachining]

From the first 2 pics, it look lean to me. I dont plug shop.

[trickedcarbine]

270 is a touch lean. Get a 280-290 in it.

[Larry's Shee]

What plug you using?

 

Not sure on your procedure. Warm bike up on old plugs. Install new plugs. Ride WFO banging the gears, no pussy riding. When it stops pulling hard in 6th, pull in clutch and kill engine.

Read or chop plugs.

[Gemeiner]

Thanks trickedcarbine, threw a 290 in there. I'll plug chop it again tmrw probably.

 

I'm using ngk b8es. That's pretty much the same procedure I do, but you worded it better

 

 

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