UK Auto Repair Questions?
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As far as the sealing surface of the exhaust is concerned, it looks very good if you then insert the gasket, it should be tight.
The clutch is ok, the rust doesn't do anything, it's just to open the clutch, not to stick the coating to the flywheel. If this is ok the clutch can be used.
As far as the instructions for the cylinder head screws are concerned, you have probably misunderstood something.
Where you read "Warm-up to 80°" this is only the explanation of the signs above. Likewise the screws are not loosened again after these instructions, that is likewise only the explanation for the signs further above.
The instructions state that you must proceed as follows:
Tightening with 25Nm
Then tighten all screws with 90° angle.
Re-tighten with 90° angle
Re-tighten with 90° angle (90° angle is a quarter turn of the screw).
Finally tighten again with 45° angle
I would be very happy about a rating with 5 stars over the star bar at the top of the page, without this rating the site operator does not pay us experts.
If you have used the angle gauge, the screw has also turned a quarter turn, you can be sure of that.
Yeah, that's okay.