SOHC.co.uk Forums > CB750
Valve Spring Compressor
Pauarc:
Martin
When you remove head you may need to order no 18 as they don’t come in all gasket set this is where you can leak oil
Paul
Bryanj:
550 clutch nut is a circlip not a nut
DomP:
--- Quote from: Bryanj on October 05, 2023, 12:24:40 PM ---550 clutch nut is a circlip not a nut
--- End quote ---
That Bryan is a very good point!
Matt_Harrington:
--- Quote from: Oddjob on October 05, 2023, 01:35:29 AM ---Small tip if your doing valves. When you get the compressor down so the collets are free, use a telescopic magnet as sold on Ebay to just suck them out. Saves them flying off and dropping down the valve springs if you try and flick them out with a small screwdriver. Then when you've removed the compressor and the valve and it's springs, use the magnet again to remove the 2 washers hiding under the springs, they tend to glue themselves in place with the oil suction. A lot of people miss these and then they drop out when your least expecting them to.
Something like this.
https://www.ebay.co.uk/itm/325391200834?hash=item4bc2d3b242:g:u9UAAOSw6RFiIdrC&amdata=enc%3AAQAIAAAAwIwaR%2FoKWgXHCOJptT5tOWeWTlJKZNj%2Fdhzx%2B6%2F9SyfZMgyZHsVifVWMeyC91jU6zs4jp9cBIol0%2FB2sB9wMT5SvNUVQZnIDoTqS9M3w861ClBudcSB2VWEpzpuWCjJ7ZkGUB%2BfQtdlE%2B9NxJLOpUrE%2FH%2FOG6a4SJN%2Fke0OpJ2tq6F%2FWv%2B3OsX92B9reSpppa4Oldiay2%2Bf9fbxbvZi2XR7ldKVAtLXs%2BcKZCRtW%2BpD4H0%2FPuql4MC38y9SXc0IgKg%3D%3D%7Ctkp%3ABk9SR-iog9TfYg
Also very handy for finding nuts/screws that fly off and land on the floor, just sweep this around and they'll stick to it as it passes over. These are a god send, can remove bolts etc that have fallen down the cam tunnel for instance.
--- End quote ---
I'd also add that a pair of fine nosed tweezers are useful for inserting the collets - with a bit of grease...
I have that ebay valve compressor and it is OK. I'd prefer the lever type but in reality it is used once in a blue moon (hopefully) and is VERY cheap.
davidcumbria:
I used the magnet tool for re moving collets as suggested and it worked great. No use putting them back though as they wouldn’t detach when needed. Found dangling them from a small screwdriver with grease as the adherent was the best way. Also learned that getting the spring compressed just the right amount was crucial to getting both in so the decompression worked smoothly. 8 th valve much easier than first ! Also used the cheap compressor type above and it worked a treat.
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