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what size is this cylinder?

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123.00 is what it is reading

Don't know the scale

 

How are you measuring bore with a caliper scale? That's the wrong tool.

 

I'm using a telescopic bore gauge and using an inch micrometer to measure it. 

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Extra large. 

 

What size is the micrometer? 2 - 3"?

Im a little rusty but whatever size mic it is...lets say its a 2-3"...i believe thats 2.1223"...or 53.906mm

Edited by jeffdanger

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Extra large. 

 

What size is the micrometer? 2 - 3"?

Im a little rusty but whatever size mic it is...lets say its a 2-3"...i believe thats 2.123"...or 53.924mm

Extra large. 

 

What size is the micrometer? 2 - 3"?

Im a little rusty but whatever size mic it is...lets say its a 2-3"...i believe thats 2.123"...or 53.924mm

I'm assuming I measured the bore incorrectly as an A piston is 53.960mm. Ill try again this weekend.

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I'm assuming I measured the bore incorrectly as an A piston is 53.960mm. Ill try again this weekend.

Bores are tricky to measure. I edited that post. Im not 100% certain but i feel im pretty close.

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Bores are tricky to measure. I edited that post. Im not 100% certain but i feel im pretty close.

Very true, thanks for the help. I may have to do the hour drive to the local bike shop to get it properly measured.

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3.1223 assuming its a 3-4" mic.

Take the cylinder to a machine shop and ask if the inspector can measure it for you. Bring some decent beer.

Edited by Thinlineggman

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