[urq] Engine compatibility WK vs WX
rossato.qlist at gmail.com
Sun Feb 10 09:11:30 PST 2008
> > I have another question. The valves on my WX head were
> adjusted 4 years ago,
> > when I had the head rebuilt. I didn't rode much, so the
> mileage should be
> > less than 15k miles. Is it normal that all the base circle
> of the lobes
> > don't touch the solid tappets (lifters) ? I can insert 2
> or 3 sheet of
> > papers between the lobe and the tappets. Shouldn't they be
> at least very
> > near (I can't find my feeler gauge.) when the engine is cold ?
> You are "supposed" to adjust the valve lash with a hot engine, if you
> can get it open that fast. When cold, the clearances are larger, and
> much more vaguely specified.
> Huw Powell
The clearances are actually smaller when the engine is cold. And more
to the point, yes there should be a clearance between the base circle
and the tappets, regardless of cold or hot engine.
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