Other Stuff > Misc / Open
Cruzinimage pistons and rings
Sesman:
Oh, I love this Nixon bloke. I can see what you mean now, Ken.
taysidedragon:
I fitted Cruzinimage pistons and rings to my 400four , it's done well over 1000 miles since rebuild and absolutely no problems whatsoever.
I wonder if there are any fakes out there. Any successful, popular brand of anything these days gets copied by Chinese/Far East rip off merchants.
DomP:
Yes to be honest I'm not at risk of putting mega mileage on my 550 so I won't lose any sleep over it
Oddjob:
--- Quote from: Nurse Julie on November 09, 2023, 03:37:54 PM ---Ah yes, I've recently read Mike Nixons Cycle Project myths and tips on the CB350. He was saying it was common knowledge the Cruzinimage big bore kits for the CB350/4 had soft piston rings, leading to probably wearing out the rings resulting in oil burning within a few hundred miles of fitting. So yes, that's a known problem. We never fit big bore kits to our own engines or any customers.
--- End quote ---
You would imagine though Julie that Cruzinimage sourced the rings from the same place they source their other rings from IF they don't make them themselves. The rings in question were labelled 3.00 so that makes them 50mm x 50mm, with the 400 being 51mm x 50mm, that makes you worry about the 400 rings.
IF I had a 350 that needed a bore I'd be thinking of either fitting a set of 400 barrels (if that's possible) or if it's not then fitting the liners out of a 400 set of barrels into the 350 barrels, like I'm doing with the 550 liners into a set of 500 barrels. And yes I know the 550 barrels already fit onto 500 cases (except early cases that is) but I have a set of 500 barrels with good fins (but really rusty liners) and a set of 550 barrels with loads of broken fins but really good liners. Saves binning them both.
Oddjob:
--- Quote from: Sesman on November 09, 2023, 04:44:52 PM ---Oh, I love this Nixon bloke. I can see what you mean now, Ken.
--- End quote ---
Yeah, some nasty comments about the SOHC.net site and certain members on there. Also not a big fan of Mark Paris and his 750 book.
You see the comments about NOT honing bores except after a rebore and even then only with specialised equipment? Interesting.
I've actually been talking to Mike regarding the special tool for adjusting the clutch adjuster on the 500-4, never knew there was one but I've got the part number now and Roo is sourcing me one from the USA whilst he's over there.
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