Checking Valve Clearance; Adjusting Valve Clearances - BMW F 650 GS Repair Manual

Checking valve clearance

•
Use a feeler gauge (arrow) to determine valve
clearance.
•
Make a note of the valve clearances, or adjust
them if necessary.
Valve clearances:
Inlet valve ............... 0.05...0.10 m (0.002...0.004 in)
Exhaust valve ...... 0.25...0.30 mm (0.010...0.012 in)

Adjusting valve clearances

00 11 602
11 7 503
11 7 502
11 7 504
•
Secure yoke of valve-clearance adjuster,
BMW No. 11 7 501, to the cylinder head.
•
Seal the aperture in the cylinder head with the
cover plate (arrow).
•
Turn the camshaft until the points of the cams
are up.
L
Note:
Thruster toward outer edge of cylinder head.
•
Install shaft, BMW No. 11 7 502, thruster,
BMW No. 11 7 503, and clamp block,
BMW No. 11 7 504.
00.22
E000160
•
Turn the bucket tappet until the shim (arrow) can
be levered out at the groove in the bucket tappet.
11 7 503
•
Secure thruster, BMW No. 11 7 503, on the
shaft by tightening the screw (arrow).
11 7 501
•
Position thruster, BMW No. 11 7 503, on the
edge of the bucket tappet.
•
Press down the bucket tappet and secure shaft,
BMW No. 11 7 502, with clamp block,
BMW No. 11 7 504.
L
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Note:
If the shim is too tight to be removed easily, the
hold-down assembly is sitting on the shim instead of
on the edge of the bucket tappet. If this happens
back off the hold-down assembly and repeat the
procedure.
•
Release the shim with a screwdriver or similar
tool, then use magnetic holder,
BMW No. 11 7 505, to remove.
E000170
E000040