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Doms CB550F1 project
Oddjob:
--- Quote from: Bryanj on September 04, 2023, 09:30:17 PM ---The 500/550 is the easiest of the fours to work on, only two "specials" you need
1 rotor puller and an ht bolt with correct thred will work
2 clutch nut peg spanner and you can make one from an old socket and cutting disc
--- End quote ---
Eh??? The 500/550 doesn't have a clutch nut Bryan, it's a circlip. You're confusing it with the 400 I think.
DomP:
I've had a look tonight and you're right Ken, there's a spring on the rocker shaft. What the hell is that all about?!
Trigger:
Should not have springs on the shafts Dom. Only fitted to the 350 and 400's. Looks like someone got confuse with the manual on the 550/400. That is why your valve stems are chipped so much and you will have to replace any damaged valves ;)
DomP:
Oh crap, seems I've definitely bought a bit of a s####er, I'm a bit far in to give up now though
Trigger:
The Haynes manual covers both the CB400 and the CB550 in the same book and it looks like the previous owner has taken the information on the CB400 rockers and applied it to a CB550 engine :o
On a CB400, if you have the springs on the wrong side of the rockers, you get the same result on valve stem chipping after some time ;)
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