SOHC.co.uk Forums > CB500/550
550f running rich?
McCabe-Thiele (Ted):
A socket spanner with a pass through bar not a ratchet or one sided tool.
www.ebay.co.uk/itm/187506333851
DomP:
Ah ok, to turn the crank
McCabe-Thiele (Ted):
--- Quote from: DomP on October 13, 2025, 07:32:01 AM ---Ah ok, to turn the crank
--- End quote ---
I found that a T bar enabled one to rock the crank very slighty left or right with plugs removed.
deltarider:
I always use a T-handle and a 23 mm socket when cranking some millimeters a CB500 for timing. I estimate the risk of damage by removing the spark plugs far higher than cranking that WASHER, SPECIAL which, btw, is still the original... Things may be different with a CB750. I've seen more than once that problems that can occurr on CB750s, were bluntly transferred by experts to CB500550s.
McCabe-Thiele (Ted):
--- Quote from: deltarider on October 13, 2025, 08:11:15 AM ---I always use a T-handle and a 23 mm socket when cranking some millimeters a CB500 for timing. I estimate the risk of damage by removing the spark plugs far higher than cranking that WASHER, SPECIAL which, btw, is still the original... Things may be different with a CB750. I've seen more than once that problems that can occurr on CB750s, were bluntly transferred by experts to CB500550s.
--- End quote ---
Luckily in my case as it was an engine rebuild the plugs were still out from the head decoke.
I share your fears every time I take a plug out of an alloy head.
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