Valve gear

Valve gear

The exhaust valve (1) is available in two oversizes:

+0.075	mm	diameter 6.020-6.035
+0.150	mm	diameter 6.095-6.110

+0.075	mm	diameter 6.030-6.045
+0.150	mm	diameter 6.105-6.120

Valve springs

Length, free	mm	approx. 41.8
Length, when subjected to a compression force of 252-288 N	mm	34
Length, when subjected to a compression force of 630-680 N	mm	24

Note
The exhaust valve springs for the front cylinder head (6x) are “double coil springs”, see illustration. Their mounting dimensions are the same as for the other valve springs however.