High Vacuum / Burns Oil

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   talk about redundent, now im pissed, I thought we covered all of that, by the way i would say thats from heat, but look at the cylinder to the left,it does look carboned up. we need more pics of each bank. on a lean engine that cylinder should be as clean as the burnt hole. sorry 79 im not convinced just yet 

   eric

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eric lavine Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413	Post Options Post Reply Quote eric lavine Report Post Thanks(0) Quote Reply Posted: January-09-2007 at 7:43am
	talk about redundent, now im pissed, I thought we covered all of that, by the way i would say thats from heat, but look at the cylinder to the left,it does look carboned up. we need more pics of each bank. on a lean engine that cylinder should be as clean as the burnt hole. sorry 79 im not convinced just yet eric
	"the things you own will start to own you"

79nautique Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872	Post Options Post Reply Quote 79nautique Report Post Thanks(0) Quote Reply Posted: January-09-2007 at 9:04am
	need to look at the head and valve faces as well. nice hole thou. looks like it's been going for a long time. Notice how it's pitted in dish shaped on top of the piston. Pre-ignition over a long period of time? Champion plugs right? don't think I would use those again.

eric lavine Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413	Post Options Post Reply Quote eric lavine Report Post Thanks(0) Quote Reply Posted: January-09-2007 at 9:35am
	Champions have always sucked, cant keep them in a 2 stroke, those speckles look like hot molton piston and its strange the cylinder to the left
	"the things you own will start to own you"

79nautique Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872	Post Options Post Reply Quote 79nautique Report Post Thanks(0) Quote Reply Posted: January-09-2007 at 11:06am
	need to check the condition of the tips of the spark plugs also, the piston tops look different too, maybe it's just the lighting

eric lavine Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413	Post Options Post Reply Quote eric lavine Report Post Thanks(0) Quote Reply Posted: January-09-2007 at 12:15pm
	they do look a little different dont they? proceed very carefully and take alot of pics, the tops of those pistons look different and maybe it is the light. and for some strange reason the hole next to it is carboned up which at this point does not make sense, If it was running lean that hole also would have burned off the carbon, concentrate on the valves also of that hole, even though if you had a valve not sealing it would carbon as did the one next to it.
	"the things you own will start to own you"

05 210 Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: February-17-2006 Location: Southern Maine Status: Offline Points: 1481	Post Options Post Reply Quote 05 210 Report Post Thanks(0) Quote Reply Posted: January-09-2007 at 9:57pm
	Pistons look the same too me.Very hard to see with the lighting,but the left piston is slightly lower in the bore,and the right piston is way down there.Is that circle in the center of the dome some sort of casting mark?You can see it on all three pistons.Looks like the right piston is cleaner than the center&left piston,but hard to tell.Right one almost looks shiny.Also looks like the head gasket was on its way out.Look at the discoloration between the cylinders.Any more pics or damage to head? Mike
	Air Nautique 210 Team 640 hours, not 1 regret

79nautique Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872	Post Options Post Reply Quote 79nautique Report Post Thanks(0) Quote Reply Posted: January-11-2007 at 10:32am
	if you look at the head gasket inbetween the cyclinders it's heat stressed, notice the discoloring of the metal and how far it goes in each direction. Diffently a lean condiction might have been a slight intake leak near the runner for those cyclinders causing then to be leanner than the others. usually if it's the carb causing the issue it's over more cyclinders not just one.

High Vacuum / Burns Oil

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