Subject: One Cylinder Firing
Author: Barry Dikeman
Date: Sep 18, 2001, 8:51 AM
Post ID: 1708283770
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Hi All,
I have a 1973 Eldorado with about 30K on the clock that has recently started
to annoy me! I hadn't run it for several weeks when I went to fire it up
last weekend, and noticed the following problem:
It cranked over several times and came to life on both cylinders for maybe
30 seconds before the left cylinder cut out completely. In it's cold state,
the right cylinder alone would not sustain unless I kept the gas to it. I
pulled the plug... wet with gas by now, dried it, gapped it and cranked it
outside the cylinder... spark...not the strongest I have seen but true blue.
I screwed the plug back in and cranked some more.. nothing! Pulled the
plug, again wet with gas... cranked it to check for spark... none. Pulled
the coil wire @ the distrib. cranked it... spark! Replaced cap and
rotor... nothing. Looked up under frame at coil and noticed that PO had
slid the coil unit too far forward in its mount causing the coil wire to be
bent/kinked in a hairpin turn back down to the distrib. Removed tank,
repositioned coil, replaced wire, tested for spark (Yes!) replaced tank,
cranked and fire in both holes! Problem solved ... or so I thought.
Several days (and 50 miles) later, I went out to the garage to begin another
ride and... repeat first part of experience in sentences above! No fire in
left hole! Again, tested for spark @ all points of distribution system good
except for left side seemed flakey/intermittent. Replaced left plug with
the crummy old Champion that it came with when I bought it and after a few
lifeless cranks I saw a spark, screwed in the plug and it ran!
I don't really feel comfortable riding this bike anywhere but around town
until I definitively solve this. Any insight out there?
Thanks,
Barry
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<DIV><FONT face=Arial size=2><SPAN class=320593415-18092001>Hi
All,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=320593415-18092001>I have a 1973
Eldorado with about 30K on the clock that has recently started to annoy
me! I hadn't run it for several weeks when I went to fire it up last
weekend, and noticed the following problem:</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=320593415-18092001>It cranked over
several times and came to life on both cylinders for maybe 30 seconds before the
left cylinder cut out completely. In it's cold state, the right cylinder
alone would not sustain unless I kept the gas to it. I pulled the plug...
wet with gas by now, dried it, gapped it and cranked it outside the cylinder...
spark...not the strongest I have seen but true blue. I screwed the plug
back in and cranked some more.. nothing! Pulled the plug, again wet with
gas... cranked it to check for spark... none. Pulled the coil wire @ the
distrib. cranked it... spark! Replaced cap and rotor...
nothing. Looked up under frame at coil and noticed that PO had slid the
coil unit too far forward in its mount causing the coil wire to be bent/kinked
in a hairpin turn back down to the distrib. Removed tank, repositioned
coil, replaced wire, tested for spark (Yes!) replaced tank, cranked and fire in
both holes! Problem solved ... or so I thought.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=320593415-18092001></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=320593415-18092001>Several days (and 50
miles) later, I went out to the garage to begin another ride and... repeat first
part of experience in sentences above! No fire in left hole! Again,
tested for spark @ all points of distribution system good except for left side
seemed flakey/intermittent. Replaced left plug with the crummy old
Champion that it came with when I bought it and after a few lifeless cranks I
saw a spark, screwed in the plug and it ran!</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=320593415-18092001></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=320593415-18092001>I don't really feel
comfortable riding this bike anywhere but around town until I definitively solve
this. Any insight out there?</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=320593415-18092001></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=320593415-18092001>Thanks,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=320593415-18092001>Barry</SPAN></FONT></DIV>
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