Removing valves, Remachining valve seat – BMW K 1100 LT/RS User Manual

Page 57

Advertising
background image

11.23

Removing valves

•

Screw support plate, BMW No. 11 1 749, for the
valve spring clamping tool on to the rear of the
cylinder head.

•

Attach valve spring clamping tool,
BMW No. 11 1 740.

•

Use pressure cage (1), BMW No. 11 1 748.

•

Place the cylinder head flat on a wooden board
and clamp the valve spring.

•

Pull valve collets (1) out with a magnetic screw-
driver.

•

Release valve spring (3) and remove the various
components.

•

Upper spring plate (2), lower spring plate (4).

•

Pull out the valve stem seal with pliers,
BMW No. 11 1 250.

Remachining valve seat

D = valve diameter
B = valve seat width

•

When remachining, the correct width of the valve
seat must always be maintained.

L

Note:

Machine the valve seat with turning tool,
BMW No. 11 0 500.

•

If the valve seat has been remachined, a new
valve must be installed.

LT110280

11 1 749

1

LT110290

11 1 740

2

1

3

4

LT110300

LT110310

Advertising