Subject: RE: 850 T Tuning Dyna III and other advice-non loop content
Author: Paul P. Linn
Date: Aug 25, 2005, 3:49 PM
Post ID: 1719349465
Noel,
Sounds like it's time to strip down and rebuild those carbs or check all
wiring from your coils for a loose connection.
<blocked::http://www.thisoldtractor.com/gtbender/loopframe_loop_list.htm>
http://www.thisoldtractor.com/gtbender/loopframe_loop_list.htm
Paul
73 Eldo "Elvira" 949 conversion with hack
74 Eldo "Daisy" very slowly undergoing a full police restoration
_____
From: Noel McCormack [mailto:noel-@hotmail.com]
Sent: Thursday, August 25, 2005 6:18 PM
To: Loopfram-@topica.com
Subject: 850 T Tuning Dyna III and other advice-non loop content
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Hail Guzzizti,
This isn't Loop related, but I know that the Loop List rules...I recently
installed a Dyna III ignition on my '75 850 T. Prior to installation, it was
intermittently missing on one cylinder. I checked the coils and one looked a
little toasted with pitting, a fried post, and cinders in the cap. I
replaced that coil and it seemed to run well for a short time until it
started missing again. I replaced both coils (both were 30 yrs old), plugs,
plug wires and caps. I also installed the electronic ignition per the
instructions.
My friend who is a mechanic and has restored several bikes helped me. The
old girl ran well with the new set up but needed to have the advance set. My
friend worked on it for a long time with a timing light and thought he had
the timing set right. we used the Guzzi Workshop manual for the 850t. It
still didn't advance correctly, so he set it by feel and sound. We also
adjusted the carbs, pulled the slides and set the carb clips on the notches
indicated in the manual with an electronic equalizer.
It idled well, but , died upon take off, so he advanced the timing slightly
and adjusted the carb idle screws. All of this took all day on a really hot
muggy DC day. I had the feeling that he may not have been seeing the timing
marks correctly (There are 4). Anyway,the 850t ran better than it ever has
before for about for 2 days. I drove it about 170 miles at speeds up to
70-80 Mph. Accelleration was better than ever. I drove it for hours for the
sheer fun of it.
After riding it for a couple hours, it started to miss again. Then it seemed
o.k., then I stopped to talk to a guy with the Goose at idle and the bike
died on me. It had gas, and started but ran rough and seemed like it wanted
to stall. Any information or diagnosis the list can give is appreciated.
Noel McCormack
Reaction 2 Entertainment, Inc.
5112 MacArthur Blvd NW #110
Washington, DC 20016
202-903-5906
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