Tappet Adjusting Nut Replacement

[mogdobz]

Hello all. Hopefully a straightforward one: to replace a threaded locknut on the rocker adjustment screw, do I need to do anything more involved than simply unscrewing it and popping a new one on?

Thanks!

[Bill_qaz]

Yes reset the valve clearance, it maybe worth checking aĺl whilst the valve cover is off.

[mogdobz]

Yes reset the valve clearance, it maybe worth checking aĺl whilst the valve cover is off.

Thanks Bill! What about the adjusting screw itself? Is it possible to just extract it after taking the locking nut off? One of mine is quite chewed up and would probably like replacing.

[philthehill]

To replace the adjusting screw - remove the nut, slacken the adjuster right off, slide the rocker sideways, unscrew and remove the adjuster. To refit do the reverse. If you have waisted adjuster screws with oil transfer hole they should be replaced with non waisted and non oil transfer hole adjuster screws. BMC replaced the waisted and oil transfer adjustment screws because there was a tendency for the adjuster to break off at the waist. There is enough oil getting around the rocker assy without any oil transfer passages in the adjuster screw.

[Bill_qaz]

Yes reset the valve clearance, it maybe worth checking aĺl whilst the valve cover is off.

Thanks Bill! What about the adjusting screw itself? Is it possible to just extract it after taking the locking nut off? One of mine is quite chewed up and would probably like replacing.

Phil has answered

[mogdobz]

Thanks for your help all. One more thing checked off the list.

For anyone else reading this in the future new to the task: the only complication I found was removing the split pin end assembly because I had to replace the number eight screw and nut. Even that wasn't particularly difficult at all - just fiddly.