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Joined: Jan 2015
Posts: 1,233 Likes: 32
Junior Technician
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Did you get the rings off without breaking them?
That can be a mission, file the edges ,use wd spray, riggle them, hit them.........
speedy
........................Keep your blades sharp......................
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Joined: Jan 2016
Posts: 8,063 Likes: 205
SENIOR TECHNICIAN
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Speedy,
when you talk about getting these scored bores running again, how much of the scoring do you remove and are you fitting O/S rings? What tool are you honing them with? I can remove light scoring with my hone but it takes a while and then I start to worry about how true the bore is
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Joined: Jan 2015
Posts: 1,233 Likes: 32
Junior Technician
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Hi Norm, I just remove the rough edges with sandpaper on a round tool.
I run a round file over the piston to get big lugs off......
I have swapped really thin rings for thicker ones, all way out of specs.....
But some of them go and mow lawns.............
I'm not spending $40 and getting it running much better and selling it for $50............
I put new O-rings and gaskets and carb parts .......... refile points, blow clean airfilters
Mine is a home bush workshop....... not a trade shop.
We don't have kerbside cleanups up here................
cheers
speedy
........................Keep your blades sharp......................
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Joined: Jan 2016
Posts: 8,063 Likes: 205
SENIOR TECHNICIAN
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Hi Speedy,
I know what you mean, mine is a hopefully, cost neutral hobby, I'm never really sure, I keep having to buy parts in anticipation that I can find mowers to use the bits on and I know I spend too much time on many of them just to get them to a stage I won't have problems with them. I do have a number of PT motors that only need a hone and a new set of rings, but I probably have at least 35 PT's that have been straight fueled, I will probably never get around to attempting to fix those. Straight fueled F/C's I usually have enough good barrels and pistons to fix some of those, but eventually they will all dry up
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