Still hopelessly searching for the illusive top end for the 056 super. If anyone could help I’d be so appreciative - I refuse to put an am in.
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Want to Buy 056 super piston, rings and gudgeon pin
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I've 056 parts carcasses but I'm pretty sure all cylinders are shot. I've 2 056M that run not parting those and not sure if the bigger jug can be made to fit?
I know a local Stihl dealer that's been in business since the 70s, he's in his 70s.........whole roomfull of Stihl/Husky.......I'll take a look next time by and see what's there.
Not sure what shipping might be?
Hey mate! Thanks for the offer 
no need for a cylinder and I have tried used pistons before and I always get piston slap so will be needing NOS. If you could check for me that would be amazing!!!
no need for a cylinder and I have tried used pistons before and I always get piston slap so will be needing NOS. If you could check for me that would be amazing!!!Tom, I can't remember how the " A B C" sizing of Stihl P/Cs go large to small? maybe someone here remembers.Hey mate! Thanks for the offer
But maybe a used "larger" piston might take up the slop?
I believe C is largest A smallest? Stihl sent me a C piston for a build I was doing. I wish I knew the size differences!
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My wife says that mine is Husky, but not the largest.....
- Joined
- Dec 6, 2014
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- Reaction score
- 24,970
No, I don't know about the piston question.
Did some searching here is what I’ve found
A = smallest and is **.94mm
B = medium and is **.95mm
C = largest and is **.96mm
Jerry offered me great advice a while ago, worn cylinders can use any piston letter, new cylinders need the same letter.
Therefore even if I had the two extremes - A and C piston, both worn to the same degree, both will essentially slap or not, be too worn or not. .02mm is irrivelant really. Of those 3 pistons, it’s going to be either good, close to worn or worn regardless of the letter.
Let’s say A piston clearance is 0.12mm, C piston will be 0.14. Both are needing replacement.
Not enough of a difference to warrant buying a used piston if even if it’s a C because the clearance isn’t enough to compensate for its wear is what I’m thinking?
A = smallest and is **.94mm
B = medium and is **.95mm
C = largest and is **.96mm
Jerry offered me great advice a while ago, worn cylinders can use any piston letter, new cylinders need the same letter.
Therefore even if I had the two extremes - A and C piston, both worn to the same degree, both will essentially slap or not, be too worn or not. .02mm is irrivelant really. Of those 3 pistons, it’s going to be either good, close to worn or worn regardless of the letter.
Let’s say A piston clearance is 0.12mm, C piston will be 0.14. Both are needing replacement.
Not enough of a difference to warrant buying a used piston if even if it’s a C because the clearance isn’t enough to compensate for its wear is what I’m thinking?
See your point didn't realize A-C difference is only 0.02mm/~0.001".
I think your clearances are backwards. Biggest piston C will have least clearance.
Expensive alternative is get together a group buy and have some pistons made. Member here Leeha did that with Wisco, for NLA Dolmar 166 pistons. A friend needed one for his 166 beast, I can't remember what cost was? Was not cheap but quality forged pistons, was 10-15 years ago.
I think your clearances are backwards. Biggest piston C will have least clearance.
Expensive alternative is get together a group buy and have some pistons made. Member here Leeha did that with Wisco, for NLA Dolmar 166 pistons. A friend needed one for his 166 beast, I can't remember what cost was? Was not cheap but quality forged pistons, was 10-15 years ago.
hi, na didn’t get it wrong way round,
C is biggest piston and the numbers following the ** are millimeters. So when you subtract that number from the cylinder you get your clearance. Bigger number as shown by the letter C will give less clearance between cylinder than the numbers aside the letter A
Ahh I’m not that into the 056 but I’d just love to get some new parts if at all possible
"Let’s say A piston clearance is 0.12mm, C piston will be 0.14. Both are needing replacement."hi, na didn’t get it wrong way round,
C is biggest piston and the numbers following the ** are millimeters. So when you subtract that number from the cylinder you get your clearance. Bigger number as shown by the letter C will give less clearance between cylinder than the numbers aside the letter A
Ahh I’m not that into the 056 but I’d just love to get some new parts if at all possible
See above. Bigger piston = less clearance.
Yes bigger piston less clearance.
Example
076 super cylinder is 58.00mm diameter
076 Super A piston 57.94mm diameter
076 Super B piston 57.95mm diameter
076 Super C piston 57.96mm diameter
Piston skirt to cylinder wall clearance:
A piston - 0.06mm
B piston - 0.05mm
C piston - 0.04mm
Example
076 super cylinder is 58.00mm diameter
076 Super A piston 57.94mm diameter
076 Super B piston 57.95mm diameter
076 Super C piston 57.96mm diameter
Piston skirt to cylinder wall clearance:
A piston - 0.06mm
B piston - 0.05mm
C piston - 0.04mm
