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› A Very "Interesting" Thing...Continues
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A Very "Interesting" Thing...Continues (Read 598 times)
Savage_Greg
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Re: Very "Interesting" Thing Just Happen
Reply #90 -
11/14/07 at 05:22:49
Ed L. wrote
on 12/31/69 at 16:00:11:
At least you didn't score up the cylinder wall, a quick rehone, new rings and clean head will put you back on the road. Kind of curious about what the old rings look like, are the edges rounded or do they just look worn down.
So far the cylinder appears okay. I'll probably have a close and personal look at the rings today.
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Kropatchek
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Re: Very "Interesting" Thing Just Happen
Reply #91 -
11/14/07 at 06:26:43
Savage_Greg wrote
on 12/31/69 at 16:00:11:
So far the cylinder appears okay. I'll probably have a close and personal look at the rings today.
You did not fit the rings upside-down?????????????
Just curious
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Savage_Greg
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Re: Very "Interesting" Thing Just Happen
Reply #92 -
11/14/07 at 06:42:27
Kropatchek wrote
on 12/31/69 at 16:00:11:
You did not fit the rings upside-down?????????????
Just curious
Let me just say that "I don't think so". If I did, I'll add it to "don't do what I did"
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Savage_Greg
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Re: Very "Interesting" Thing Just Happen
Reply #93 -
11/14/07 at 08:02:20
Oh yeah...130 miles ago
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T Mack 1 - FSO
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Re: Very "Interesting" Thing Just Happen
Reply #94 -
11/14/07 at 10:36:29
Greg,
Again, good luck.
And, I'm pretty sure you know the drill: measure, measure, measure. The Piston to cylinder tolerance is real small.
I also wonder if the rings might have moved when you put then in. In other words, the gaps not spaced 120 degrees apart.
TMACK
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Engineers design things, Technicians make them work.
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30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck
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Dr_Jim
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Re: Very "Interesting" Thing Just Happen
Reply #95 -
11/14/07 at 11:05:01
-
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«
Last Edit: 12/23/07 at 09:45:54 by Dr_Jim
»
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Savage_Greg
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Re: Very "Interesting" Thing Just Happen
Reply #96 -
11/14/07 at 11:32:08
T Mack 1 - FSO wrote
on 12/31/69 at 16:00:11:
Greg,
I also wonder if the rings might have moved when you put then in. In other words, the gaps not spaced 120 degrees apart.
TMACK
That is a thought. I did position them before I installed the ring compressor. I'll know this afternoon
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Re: Very "Interesting" Thing Just Happen
Reply #97 -
11/14/07 at 11:38:53
Dr_Jim wrote
on 12/31/69 at 16:00:11:
I was wondering about this also, nothing more irritating than having the blessed oil-control ring line up with the compression and wiper rings ....
Also, I'd take a VERY hard and critical look at the piston's ring grooves and make sure that they are compeletely clean and have the exactly the same clearence all the way around. I once had a partially collapsed ring groove which was just tight enough to bind the oil control ring so it couldn't effectively wipe the cylinder wall - UGH!
Since you're now planning to buy new rings, the old ones can be sacrificed to make groove scraper/cleaners.
Cheers
Jim
Funny, there are a couple rules of thought. Some think that you should not clean the ring grooves if you are reinstalling the old rings. That's what I did this time.
Yeah, new rings are about ordered from Power Sports
Pro.
Looking at a new piston here
Piston
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Re: Very "Interesting" Thing Just Happen
Reply #98 -
11/14/07 at 11:54:52
97?!
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Re: Very "Interesting" Thing Just Happen
Reply #99 -
11/14/07 at 12:25:48
Savage_Greg wrote
on 12/31/69 at 16:00:11:
You are right.
Unfortunately, the cylinder is nicely cross hatched and the rings are old. They have been reinstalled 3 times...
That's why I'm posting this. Don't do what I did
my trend of thought is you have to install new rings so the cross hatch can seat them properly..one situation from breakin in too easily is the walls get glazed and peformance suffers..in your case seems the oil ring isnt seal worth a darm
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T Mack 1 - FSO
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Re: Very "Interesting" Thing Just Happen
Reply #100 -
11/14/07 at 13:00:58
$147....wow, ......the stealership only charges $104.61 for the first oversize(kit plus pin & circlips). or...$100.61 for std (adding everything up). And....Ron Ayers should be cheaper.....
http://www.blackmanscycle.com/fiche_section_detail.asp?category=Motorcycles&m...
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Engineers design things, Technicians make them work.
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30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck
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Savage_Greg
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Re: Very "Interesting" Thing Just Happen
Reply #101 -
11/14/07 at 15:55:32
T Mack 1 - FSO wrote
on 12/31/69 at 16:00:11:
Greg,
Again, good luck.
I also wonder if the rings might have moved when you put then in. In other words, the gaps not spaced 120 degrees apart.
TMACK
I appears that the gap on the 1st and 2nd were nearly in line with eachother
I bet that I turned them using the ring compressor and didn't know it....
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Savage_Greg
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Re: Very "Interesting" Thing Just Happen
Reply #102 -
11/14/07 at 16:01:31
Ed L. wrote
on 12/31/69 at 16:00:11:
Kind of curious about what the old rings look like, are the edges rounded or do they just look worn down.
The cylinder is right about .001 under the limit for an overbore
As for the rings, looking at them today and comparing them with the manual...they are toast.
The 1st and second rings have no bevel on the outside corners anymore. The edges are sharp.
The free end gaps are WAY over the limit too.
The oil ring can't really be measured but it hardly protrudes from the ring groove at all. The top and bottom rails are sharp on the edges.
The good news is that the ring grooves are still within the service limit, and the piston measures in spec too. The piston pin is good too.
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Re: Very "Interesting" Thing Just Happen
Reply #103 -
11/15/07 at 06:49:27
How many miles were on it?
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T Mack 1 - FSO
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Re: Very "Interesting" Thing Just Happen
Reply #104 -
11/15/07 at 08:45:55
Greg,
I did a double check of my melted piston. It's rings were shot too. You might want to check the oil passages to make sure no sealant is bocking or restricting the flow.
TMack
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Engineers design things, Technicians make them work.
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30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck
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