Jaap,
The vertical travel of the pushrods is determined by the position of its lobe
on the camshaft.
Each rod "stands" inside of a tappet, which rests on the camshaft.
As the camshaft rotates, driven by the timing chain from the crankshaft, the
tappet/rod unit move up and down.
My guess for the difference is that:
1. Maybe you rotated the camshaft since you removed the rods, and it is in the
high position now
2. The tappet is still in the hole, and is maybe "stuck" in a higher position,
resisting the rod
Best of luck.
On Aug 4, 2013, at 8:51 AM, Jaap Dekker wrote:
> Hello Listers,
>
> As a faithful lurker living in Holland this list has taught me many things
> about Triumph Trbs of which I have put some to good use.
> I have started to take the head off the engine of my Tr3 in order to have
the
> valve guides replaced, as the oil consumption has become rather high. Itbs
a
> TR4 high port engine.
> As I am not an experienced mechanic this is a major job for me and I feel
> somewhat unsure. I removed the manifolds and everything else what is in the
> way and have taken off the rocker assembly.
> I thought I was well prepared and had done my homework, but I ran into this
> problem right away.
> I got a fright when I lifted a pushrod out and it would only go back down
> again partly.
> The same with the second pushrod. Am I missing something?
>
> Regards,
> Jaap Dekker.
>
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