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Old 11-03-2009, 04:53 PM
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Gregory Williams HPC
  
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Default Lean map & MR9 caused some damage $$
I have a Gen II in for a tear down. Bike had a base map. Suspected spun bearing (major brass/gold flake in the oil). Owner did not want me to just fix the bearing wanted me to narrow down cause. Good news is cause is related to the lean tune. Spark plugs had 9 heat rings in some spots, bike was running on MR9 with big tube exhaust, high flow filter and detonation did occur beating on the bearings causing some pre-mature failure along with conventional oil. More pictures later and a good note is this bike might run a little better when we are done. The Irridium tips melted on two plugs cylinder 3&4 ...

Photos very shortly.
Last edited by GPW; 11-03-2009 at 04:57 PM.
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Old 11-03-2009, 07:01 PM
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Gregory Williams HPC
  
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Default Re: Lean map & MR9 caused some damage $$
Exhaust ports show some crystals...


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Old 11-03-2009, 07:04 PM
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Gregory Williams HPC
  
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Default Re: Lean map & MR9 caused some damage $$
These are the hot plugs...you can see the melted plug electrodes and they are slightly curled, have pulled a few Gen II plugs these are the worse I have seen..

Last edited by GPW; 11-03-2009 at 07:10 PM.
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Old 11-03-2009, 07:10 PM
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Default Re: Lean map & MR9 caused some damage $$
MR9 residue...

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Old 11-03-2009, 07:18 PM
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Gregory Williams HPC
  
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Default Re: Lean map & MR9 caused some damage $$
Bronze colored material located at bottom of the pan tells there is a bearing or two in trouble.

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Old 11-03-2009, 07:20 PM
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Default Re: Lean map & MR9 caused some damage $$
I will tear down the rest of the motor and see whats going on down stairs. Excessive clutch material on top of the above was located in the oil pick-up screen..
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Old 11-03-2009, 07:22 PM
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Default Re: Lean map & MR9 caused some damage $$
ouch!!!

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Old 11-03-2009, 07:24 PM
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Default Re: Lean map & MR9 caused some damage $$
Quote:
Originally Posted by qrychefanus View Post
ouch!!!
Its a strong motor in general, but sometimes the little things cause big problems.
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Old 11-03-2009, 07:28 PM
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Old 11-03-2009, 07:40 PM
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Default Re: Lean map & MR9 caused some damage $$
More flake in the pan..

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Old 11-03-2009, 07:42 PM
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Default Re: Lean map & MR9 caused some damage $$
Wow...that's a lot of flake in there. Bad stuff. Hope I never ever see that in my pan.

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Old 11-03-2009, 09:36 PM
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Default Re: Lean map & MR9 caused some damage $$
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Wow...that's a lot of flake in there. Bad stuff. Hope I never ever see that in my pan.
+1 Prolly stick to pump gas.

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Old 11-03-2009, 09:40 PM
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Default Re: Lean map & MR9 caused some damage $$
Quote:
Originally Posted by StromBusa View Post
+1 Prolly stick to pump gas.
Its not necessarily the fuel a combination of everything listed contributed. I did not know this bike was this hurt before I took the job. I am guessing the head gasket had a leak or two as well.
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Old 11-03-2009, 10:19 PM
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Default Re: Lean map & MR9 caused some damage $$
Ouch!

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Old 11-03-2009, 10:34 PM
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Default Re: Lean map & MR9 caused some damage $$
Dude that sucks. This may be a dumb question, but why would one want to run MR9 on base generic map? I guess would one thing to run on stock engine where it could adjust itself, but on a PC or bazazz or such I would be leary to run with out tuning for.
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Old 11-03-2009, 10:47 PM
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Default Re: Lean map & MR9 caused some damage $$
Bling in the oil! What will they come up with next?

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Old 11-03-2009, 10:58 PM
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Default Re: Lean map & MR9 caused some damage $$
what is the crystallization? thats pretty nasty. what was the base map? stock or canned?

takes alot of heat to melt an iridium.

i wish i could find it. there was a ford gt running leaded race fuel. horrible deposits on heads.
Last edited by mattstang; 11-03-2009 at 10:59 PM.
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Old 11-04-2009, 12:31 AM
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Default Re: Lean map & MR9 caused some damage $$
Extra crispy

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Old 11-04-2009, 01:36 PM
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Default Re: Lean map & MR9 caused some damage $$
More photos later. Bike has blown head gasket...with skip over between cylinder walls and at the water jackets and with some pretty toasty valves...

4-3-2- (1) appears to be ok, video coming. Getting new crank. Cheaper than fixing three journals (shipping) on this one. Later...
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Old 11-04-2009, 04:19 PM
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