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2 spark plug qestion

S
Dec 7, 2007
1,010
160
63
Elkhorn NE
I have an 09 1000. This is my first 2 plug head. The single plug would get a miss and put your hand on each cylinder to see which one is cooler. On the 2 plug head what are the running issues or signs you have a fouled plug. Will rpm's drop some? I do not think it will miss like a single plug.

I did pull the plugs and I think they were original. They had a lot of deposits on the bottom electrode. It ran fine only had a hard time starting from time to time. Any way re-installing new plugs I am wondering if I did not get one of the caps on right. The R's have dropped by 50 or so. Just wondering if one plug not firing could be why.
 
J

jakim

Member
Sep 23, 2009
167
17
18
I have the same sled and once I change plugs and didn't get the boot snapped down on the plug good and it was very boggy in the mid range range fine wide open. At first I thought it was my PCV acting up but reseated the plug wires and it ripped like before.
 
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