Subject: RE: Bad Piston?
Author: Kevin Graf
Date: Apr 7, 2005, 8:36 AM
Post ID: 1718664326
One of my project bikes is called the U1KG(Under $1000 Guzzi), the whole
point to this project to build a running loop for under $1000. After
getting lucky and finding a rear main bearing (with crank & front) on
ebay for $5.
I started reassembly.
The rings over time(sat for about a year)seized into the ringland. I
have no idea how this happened, my memory tells me that the rings were
fine upon disassembly.
Anyways, I let them soak in motor oil for about a month, no effect on
loosening the rings. From there I moved onto soaking them in PB Blast
for a couple days, this worked enough to carefully pry the rings out
from the grooves. It sounds as though mine were way worse off than
yours. Mine were
seized all the way around. It sounds as though you only have one
[portion of the ring to deal with. Try soaking the piston in PB Blast as
I did or some other alien technology before trying to remove. You want
to avoid marring any portion of the ringland.
Kev
-----Original Message-----
From: oger wells [mailto:jambo-@yahoo.com]
Sent: Thursday, April 07, 2005 10:22 AM
To: Loopfram-@topica.com
Subject: RE: Bad Piston?
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Thanks Kevin. The cylinders look good to me. Just that one piston top
ring concerns me a bit but maybe i can pry out the remaining ring and
file the groove a bit. The heads and top of the pistons have a lot of
carbon on them but i think after cleaning up the heads they will be
fine. New rings will probably be the ticket for now. Maybe i will get
some pics up for you guys to have a look.
Kevin Graf wrote:
Hey, This may not be the best advice....:-) but ya know...Look at the cylinders closely if the is no peeling, score marks, ect., look at the pistons next. Good shape? If so, I would just re-ring the pistons. What's the ring end gap like? Guzzi's are pretty tolerant, forgiving |
| maybe the word. I know of a Guzzi running with a huge score down the right barrel, runs great, wouldn't even know. Your call really, I |
| have the cylinders to look at and photos won't do it justice if things are on the fence. I know everyone wants to give you "the best" advice with hearts in the right places but it's not always the best on the wallet. I know how tight money can be. What's the worst that can |
Do I remember right that a light hone can be put on the barrels? Might want to look into that. Maybe try to justify it in a way of maybe the money could be spent elsewhere, to make sure the bike safe, tires? ect. There I said it, I'm NOT ASHAME Kev -----Original Message----- From: oger wells [mailto:jambo-@yahoo.com] Sent: Thursday, April 07, 2005 9:53 AM To: Loopfram-@topica.com Subject: RE: Bad Piston? Your free subscription is supported by today's sponsor: ------------------------------------------------------------------- Is your PC running at 100%? Check your PC's health in 2 minutes! http://click.topica.com/caadlAsb1dfltb63b4qa/PCHealth Check ------------------------------------------------------------------- You are probably right... But what if I cant afford it?? Parts are adding up fast! I thought i would save some money and buy a basket |
| but now it is adding up... ;-O paul-@comcast.net wrote:
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