Hey TC.
This little story follows the thread about the strange sounds and other
manifestations that can happen...you mentioned in your post about not
tightening down a spark plug....
Well I chased a very strange problem for almost 2 full weeks!
What happen is this:
I installed a new set of plugs and did a general tune up of my
Max...everything was all right for around 3 weeks, then, all of a sudden
while I was out one day I started losing power and I heard a very strange
sound from the engine, sort of a high pitched whistle, or something like an
air hose with a hole in it!. Not a little bit but a whole lot!
The first thing I checked was the "New" plugs to see if they were
fouled...they were all just fine! I re-installed the plugs and tried again.
At low RPM and speed the bike ran just fine! As soon as I would twist the
wick there was that sound again and a real noticeable loss of power!
I checked the fuel pump...it was OK.
I checked the needles...They were OK
I checked the diaphragms for pin holes or cracks...They were OK.
I checked the exhaust for leaks....No leaks
I drained the gas tank and put in fresh gas....not the problem
I even did a compression test...guess what, that was not the problem.
I even re- balanced the carbs...No change!
I was going crazy!!!!
I finally decided to check the plugs again! As I was putting the plugs back
in I was starting them by hand when I got to plug # 3 some thing happened
that I had never seen before! As I was screwing plug #3 in it did not feel
right! Upon closer inspection I found that the entire plug body was actually
a little lose. That is the ceramic part of the plug! I could actually spin
the plug body around in the base!
What this was doing was (as you would guess) letting the pressure in the
cylinder blow through the plug!
Hence the strange sounds and loss of power!
At low rpm it seems that it was ok, put when I twisted the wick....poof the
plug acted like a vent or a pressure release valve!
A new #3 plug and away went the sound and the power was restored!
Now this is one for the books!
Later/Steve Jasse AKA the Wizard of DILLIGAF
http://www.dilligaf.com
http://www.bikerbabe.com
Webmaster Iron Horse Saloon http://www.ironhorse-saloon.com
Webmaster Boot Hill Saloon http://www.boothillsaloon.com
Webmaster David Allan Coe http://www.officialdavidallancoe.com
VMOA #708
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