What's wrong with this picture?
Posted: Sat May 30, 2015 1:25 am
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What's wrong with this picture?
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Re: What's wrong with this picture?
Posted: Sat May 30, 2015 1:51 am
#2 spark plug is just a little tired. It's leaning over to rest.
Where did that metal end up Mike? In the rings? Ugly.
Where did that metal end up Mike? In the rings? Ugly.
Re: What's wrong with this picture?
Posted: Sat May 30, 2015 1:54 am
You got it, Nils. Cross-threaded plug, run that way many miles, resulting in a damaged exhaust valve. 0 psi compression and 95 percent cylinder leakdown. Customer brought it in for carb work.
Re: What's wrong with this picture?
Posted: Sat May 30, 2015 7:32 am
His carb rebuild is going to run a little over budget.
Dave
Dave
Re: What's wrong with this picture?
Posted: Sat May 30, 2015 9:39 am
Yepper. Sad sad sad.
Re: What's wrong with this picture?
Posted: Sat May 30, 2015 9:44 am
...and here I thought, somebody customized his CBX with a crossfire injection cylinder head... 
Re: What's wrong with this picture?
Posted: Sat May 30, 2015 10:09 am
BIG ouch!!! Great example/lesson why sparkers should be run all the way down by hand.
Re: What's wrong with this picture?
Posted: Sat May 30, 2015 10:56 am
Great. Coffee spit all over my keyboard. Thanks Dave.daves79x wrote:His carb rebuild is going to run a little over budget.
Dave
Re: What's wrong with this picture?
Posted: Sun May 31, 2015 12:40 am
Z
Re: What's wrong with this picture?
Posted: Sun May 31, 2015 3:25 am
Yes, another good technique. I use an old CB750 kickstart lever rubber. Been in my toolbox so long it's now nearly petrififed....
Re: What's wrong with this picture?
Posted: Sun May 31, 2015 9:47 am
I just use a spark-plug socket and extension. I spin it down by hand and then torque. I can't even imagine how much torque he must have applied to install a plug at that angle.
Re: What's wrong with this picture?
Posted: Sun May 31, 2015 10:40 am
I use an old rubber spark plug boot, holds tight enough to get the plug started but will slip on the plug if it's cross-threaded.
Re: What's wrong with this picture?
Posted: Sun May 31, 2015 10:57 am
Good techniques all! Wow, I didn't realize you fellas were so resourceful! LOL!
Re: What's wrong with this picture?
Posted: Mon Jun 01, 2015 11:40 pm
No more mystery. The heart of the matter. The classic "pie slice." Don't neglect those valve clearances, everyone.
Re: What's wrong with this picture?
Posted: Mon Jun 01, 2015 11:55 pm
Yuck. How is the valve seat Mike? And are the spark plug threads repairable, at least via timesert? Ugly business.