2 Stroke Spark Plug Read Please

JoeKtm2
Posts
21
Joined
11/30/2017
Location
FR
12/2/2017 12:15pm Edited Date/Time 12/4/2017 2:15pm
Cant get any closer pic sorry, i didnt do a plug chop just direct of a fast track. Bike is running very crisp.Thanks

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Rohr144
Posts
236
Joined
10/17/2017
Location
Wentzville, MO US
12/2/2017 7:49pm
I'm no expert but the jetting is definitely off if the inside piece is white. Supposed to be a light brown/mocha. What's the bike?
Acidreamer
Posts
1794
Joined
8/25/2015
Location
Mansfield, OH US
12/3/2017 6:27am
Rohr144 wrote:
I'm no expert but the jetting is definitely off if the inside piece is white. Supposed to be a light brown/mocha. What's the bike?
This. Running a tad lean.
ktm-5
Posts
555
Joined
2/17/2017
Location
Ravenna, MI US
12/4/2017 10:07am
Looks like a ktm with the rubber piece?? I would also say lean, u want a brown color, not black and not white
Falcon
Posts
10034
Joined
11/16/2011
Location
Menifee, CA US
Fantasy
765th
12/4/2017 10:34am
I agree that you are too lean. Go one step richer on your main. You may be perfect after that but if it is a hair too rich leave the richer main and lean out the needle one clip.
It looks like your pilot circuit is running a tad rich, actually. You could probably open up the air screw or go leaner on the pilot jet.

The Shop

Acidreamer
Posts
1794
Joined
8/25/2015
Location
Mansfield, OH US
12/4/2017 12:40pm
Funny how this connects to your melted oring situation isnt it?
BobPA
Posts
8023
Joined
10/31/2013
Location
PA US
12/4/2017 2:15pm
Lean and maybe a small amount of detonation...Pictures are hard to tell, have to put the plug in natural sunlight. I would go up two sizes on the main.

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