SOHC.co.uk Forums > SOHC Singles & Twins
CB350 1971 Restoration Project
BenPowell:
I need to pass my test before I can even go out on mine, ;D Once I have though, I plan on doing a few decent trips out. Really would like to get up to the lakes.
I’m sure I’ve seen a post on here about bore tolerances so I’ll do some research to be sure.
BenPowell:
Hi everyone,
Spent a bit of time over the weekend cleaning various engine parts and getting rounded screws out.
I started cleaning out the piston bores, nothing aggressive yet, just some scotch bright and oil to clean up the corrosion. I’ve found some pitting near the top of one of the bores which means I’m probably going to need a rebore and oversize pistons and rings.
What’s everyones thoughts on aftermarket piston kits? Are they any good or worth avoiding and paying the extra for genuine?
Bryan, still going to give the flap wheel a go, but I’ve got a feeling it might not clean it up fully
Bryanj:
Depends how bad and exactly where the pitting is, back when i had a pet dynasore i saw lots of bad bores run, you just have to keep a VERY good eye on oil level. Aftermarket depends on the maer/supplier
BenPowell:
These aftermarket ones (link below) seem good value, based on searching around google some of their parts have mixed reviews.
https://www.cruzinimage.net/2017/08/17/68-73-honda-cb350k-0-5mm-oversize-pistons-set/
I've got a bit of time before I need to buy some so can do some more digging around to see what's out there.
4wDaz:
I bought a set for a 400/4 not fitted them yet but they seem bang on for the money. Nurse Julie recommended them and uses them in their rebuilds so that was good enough for me. Mine came from the Cruzing Image eBay store, that way you do get buyer protection if they don’t turn up
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