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SOHC.co.uk Forums => CB650 => Topic started by: andy120t on January 02, 2011, 06:29:19 PM

Title: Vale spring compressor - recommendations
Post by: andy120t on January 02, 2011, 06:29:19 PM
Does anyone have a valve spring compressor that they would recommend (for use on a CB engine)? I'm not quite sure what I'm looking for but I've seen a model by Sealey for c.
Title: Re: Vale spring compressor - recommendations
Post by: totty on January 02, 2011, 06:37:10 PM
I've got the same set, never used it on a CB but it was adjustable enough to use on both a z50 and a 3.0L Essex v6. 
Title: Re: Vale spring compressor - recommendations
Post by: matthewmosse on January 03, 2011, 11:25:25 AM
Title: Re: Vale spring compressor - recommendations
Post by: andy120t on January 03, 2011, 11:31:29 AM
Cheers all. Last night I used the weight arm from an old set of scales (think the giant ones used to weght sacks of corn), pivoting in the vice and pressing down on a piece of steel tube - with slots cut in it to allow me reach the collets.

Good advice on the magnetic tools / grease. I was wondering how easy they could be to get back in.

Title: Re: Vale spring compressor - recommendations
Post by: Dave M on January 06, 2011, 10:52:47 PM
The grease and screwdriver works fine on a C50 too!
Title: Re: Vale spring compressor - recommendations
Post by: Seamus on January 10, 2011, 10:28:58 PM
Had a Sykes Pickavant adjustable unit for years now and used it on car and bike heads for at least 10 years.

I will post a picture if it is any use
Title: Re: Vale spring compressor - recommendations
Post by: Yoshi823 on January 27, 2011, 03:02:56 PM
I still have my valve spring compressor from 1975 when I bought my first bike. I paid
Title: Re: Vale spring compressor - recommendations
Post by: UKROBK7 on January 31, 2011, 08:31:20 AM
I use the same one as that on ebay but I picked it up at the Stafford show for
Title: Re: Vale spring compressor - recommendations
Post by: andy120t on January 31, 2011, 06:39:19 PM
Thanks for the replies. I've now taken them all out & put them all back in succesfully without losing any collets. I used the G-spring method with long nose pliers & grease. Pliers were tricky to use so backed them up with a nail-file...the magnetic screwdriver helped but I found pliers / nail file easier. It sounds as if tweezers could be an even better route.wasn't ideal but did assist me. 

It took a me little while, not least as I did the first one about four times over to get it right. Learning point #1-don't miss the large spring seat/washer out. Learning point #2-when you take the assembly apart to put the large spring seat in, don't let the small spring seat/washer fall out unnoticed.
Title: Re: Vale spring compressor - recommendations
Post by: Bryanj on February 01, 2011, 06:21:30 AM
Andy, dont fret it, ijust rebuilt a 500 for a member in the north and the bits that were missing from a PO, plus the goo everywhere were frightening mate
Title: Re: Vale spring compressor - recommendations
Post by: matthewmosse on February 01, 2011, 10:16:55 PM
I have a large stockpile of collets, seats and so fourth, even the most dud engine can relinquish good parts - most extreme example was an engine I bought on which all the lower cases had corroded past use and internally full of mud - gearbox was full of rust and eventually I knocked the bottom end appart with a hammer as the selector forks and drum were fused solid, the head was however prestine under all the oily sludgy mud that it was full of.
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