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Neils 1978 CB550 F2 Project - Newbie Let Loose
Nurse Julie:
--- Quote from: Neilw on February 11, 2026, 02:11:52 PM ---
--- Quote from: Nurse Julie on February 11, 2026, 02:06:45 PM ---You need to measure the bores to work out if they are still within spec to use those pistons with new rings. Personally, I would not use those old pistons anyway, I would have a rebore and fit a new oversized piston / ring kit. If you try and cut corners or do things on the cheap, these old engines have a habit of coming back and kicking you in the backside.
--- End quote ---
Thank you, i assume i'd have to get a rebore on all the cylinders to keep things uniform?
--- End quote ---
Yes, all 4.
Nurse Julie:
Also, only get the rebore done by someone who understands Hondas tight tolerances. We've retired now but Bryan may be able to do it for you.
Neilw:
--- Quote from: Nurse Julie on February 11, 2026, 02:22:48 PM ---Also, only get the rebore done by someone who understands Hondas tight tolerances. We've retired now but Bryan may be able to do it for you.
--- End quote ---
Other than Bryan, do you have any recommendations? Sorry for the stupid question, but would I just send someone the Cylinder head, or would they need more of the engine?
Nurse Julie:
--- Quote from: Neilw on February 11, 2026, 02:33:01 PM ---
--- Quote from: Nurse Julie on February 11, 2026, 02:22:48 PM ---Also, only get the rebore done by someone who understands Hondas tight tolerances. We've retired now but Bryan may be able to do it for you.
--- End quote ---
Other than Bryan, do you have any recommendations? Sorry for the stupid question, but would I just send someone the Cylinder head, or would they need more of the engine?
--- End quote ---
You just pack the barrels in a box and send in the post, Parcel Force costs about £12, 48 hour tracked. It was very, very rare for us to see customers, complete engines were delivered by couriers on pallets and heads or barrels came by and were returned by normal post.
Neilw:
--- Quote from: Nurse Julie on February 11, 2026, 02:41:31 PM ---
--- Quote from: Neilw on February 11, 2026, 02:33:01 PM ---
--- Quote from: Nurse Julie on February 11, 2026, 02:22:48 PM ---Also, only get the rebore done by someone who understands Hondas tight tolerances. We've retired now but Bryan may be able to do it for you.
--- End quote ---
Other than Bryan, do you have any recommendations? Sorry for the stupid question, but would I just send someone the Cylinder head, or would they need more of the engine?
--- End quote ---
You just pack the barrels in a box and send in the post, Parcel Force costs about £12, 48 hour tracked. It was very, very rare for us to see customers, complete engines were delivered by couriers on pallets and heads or barrels came by and were returned by normal post.
--- End quote ---
That's brilliant, thank you. I've just spoken to D&M Engineering who work on Classic Hondas, so fit the bill regarding experience.
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