SOHC.co.uk Forums > CB350/400

Barrels on but pistons won't move, what's going on. Help me !!!

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Sesman:
I ‘gapped’ the ones I bought from Japan and they were all spot on. It was an annoying but necessary waste of time.

billdn:
Footnote to above  gaps on all rings were spot on, so can't blame rebore.
On plus front the engineer reckons where the  scratch is below rings even at lowest point so rebore not necessary 😉 . To be on safe side thought I'd order new ring kits for all pistons.  Weirdly +.25 ring kit (genuine Honda btw)  £29.13 whereas after market replacement full piston kit inc rings etcetera just 90pence more. Go figure 🤔.  So ordered full set again .
BTW anyone want 4 unused +.25 pistons sans rings? Thanks for your comments,advice and support all.

Nurse Julie:
Use the original set of pistons with the new rings you are buying Bill. The rebore would have been done to those pistons, not the replacement pistons you're buying.

billdn:

--- Quote from: Nurse Julie on May 23, 2022, 02:25:58 PM ---Use the original set of pistons with the new rings you are buying Bill. The rebore would have been done to those pistons, not the replacement pistons you're buying.

--- End quote ---
Good call Julie, hadn't thought of that .
Cheers
Bill

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