SOHC.co.uk Forums > CB500/550

Pistons

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bomber:
Hello,
Still stuck with my engine rebuild.
Decided to re bore as there is are large "steps" on top of inners, hone did not clean them.
I need 0.5mm oversize found this on internet
http://www.cmsnl.com/honda-cb550f1-super-sport-550-four-1976-england_model17113/piston-kit-050-non_06133374000p/#.VW-NbmRVhBf
they are just under 50 euros a piece, I wonder if there is a alternative source someone can recommend.

Also, my engineer recommended to look for cylinder sleeves, as he reckon they would be straightforward to replace and my standard bore pistons are fine.
But I cant find any...

Anythoughts?
Thanks

Bryanj:
You will only get liners from a used set of cylinders and if your machinist is suggesting you fit liners i suggest you find another machinist as he does not understand the Honda SOHC. as to piston kits look at

http://www.ebay.co.uk/itm/HONDA-CB500K-CB500F-1-0mm-57mm-Oversize-Pistons-Set-4-Pistons-included-CB500PS-2-/251631436275?pt=LH_DefaultDomain_3&hash=item3a966701f3#ht_1251wt_721

paul G:
Also look at IMD piston kits I found him very reasonable and helpfull

bomber:
Thanks for replays,
paul will try them tommorow, but that ebay price is very good...
Bryanj that ebay link is for cb550 I have 550 seems to remember that stock bore is 58.5 and so 0.5mm takes it to 59.00mm does it mean the piston size is 59mm, surely not right?
That ebay link is for 57mm you reckon it's right size for 550 in need of 0.5mm over size piston?
Sorry if it sounds daft, just trying to order right bits...

Bryanj:
If you look in the title it sez 500-550

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