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1976 CB550F1 (what have I let myself in for) Project
Nurse Julie:
Just one other thought, have you got the compression and scraper rings in the right way up 🤔
eight0:
The writing is facing upwards. That's correct right?
Nurse Julie:
--- Quote from: eight0 on February 28, 2021, 02:48:15 PM ---The writing is facing upwards. That's correct right?
--- End quote ---
Yes, correct.
Bryanj:
Its possible but very rare that the ring groove is not machined deep enough, try clamping them with a jubilee clip carefully
Laverda Dave:
Is the oil scrapper ring in three pieces? Sometimes the very thin top and bottom rings don't sit fully in the ring groove due to the centre ring taking up most of the space. This happened to be with the RSA piston, it was very tight in the bore but fine when the rings were not fitted. It turned out to be the lower scrapper ring sitting slightly proud as it was sitting against the centre scrapper section at the back. I think I read it on the forum the best way to fit a three part oil ring is to fit the upper and lower rings first followed by the centre scrapper part. Maybe worth a try.
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