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Removing pistons with conrods, stripping down and, Removing piston with conrod, Dismantling piston – BMW K 1100 LT/RS User Manual

Page 60: Checking piston dimensions

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11.26

Removing pistons with conrods, strip-
ping down and re-assembling

Removing piston with conrod

Press the piston with conrod out from the crank-
shaft side.

Dismantling piston

Remove the circlip (1) at one side.

Press out piston pin (2) with drift,
BMW No. 11 2 930.

Carefully remove piston rings (3).

Clean the piston.

1

3

1

2

LT110350

Checking piston dimensions

Measure piston diameter with a micrometer at
distance “A”.

Make: ...............................................Dimension “A”
KS............................................. 12.0 mm (0.472 in)
Mahle .......................................... 7.6 mm (0.299 in)

Measure piston ring side-flank clearance with
feeler gauges.

Measure the piston ring end gap in the cylinder.

For side clearance and gap, see Technical data
page 11.9

A

LT110360