Piston to cylinder bore clearance


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Piston to cylinder bore clearance

Brian I have a Kubota V1902-B engine and no where in my shop manual does it give the piston to cylinder bore clearance spec. Installing new sleeves and pistons and need to know the clearance tolerance?
BillK Brian
On page 203 of my manual it states cylider liner
ID reference value 85.000 to 85.022 mm
(or 3.3465 to 3.3473 inch) with a further plus 0.15mm (or 0.0059") wear limit.

The piston size itself is not listed but we
use the common reference of two thou per inch of bore, which would give a clearance of around 7 thou.

The piston ring gap is given as 0.3-0.4 mm
(0.0118 to0.0177 ")

BillK

Brian Thanks Bill, I found it in my manual now that you gave me the page number. Must have skipped right past it.


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