SOHC.co.uk Forums > CB500/550
550 F2 started!
Oddjob:
I was wrong, memory is starting to fail ;D 10 psi for the forks and he says fit 3 washers (but doesn't say how thick they are) in the forks so they effectively preload the springs. So I'd say say 5-10mm of preload. My springs are mismatched in length, so what I'm thinking is to fit the springs etc, no preload at all, place a heavy weight on the top of the fork top, maybe my old vice, measure to see how far it compresses the fork and mark it. Do the other fork and then match the preload so they both compress the same distance. Not sure if that's the correct way but it makes some sort of sense.
Trim those screws into the inlet manifolds, measure the bores of them all and see if they match, if not make them match, smooth out any casting marks, rough spots etc. Should get another 5bhp doing that without affecting engine response.
If you want a little more power, get the cam lobes modified, no more lift, just more duration. So 5 degrees of overlap and 10 degrees of duration. Engine won't be cammy with such a mild mod. Think I have a spare cam so may just try that one.
Sesman:
Bloody hell, Roo. That’s just ridiculous.
Laverdaroo:
--- Quote from: Sesman on December 31, 2021, 07:42:57 PM ---Bloody hell, Roo. That’s just ridiculous.
--- End quote ---
Isn’t it!
I opened up a ‘whole can of Northerner’ at Hermes, got a full refund, apology letter and a £50 credit on my PayPal account!
The feckers!
Sent from my iPhone using Tapatalk
Bryanj:
You did well with Hermes, i have complained several times and got nowhere
Laverdaroo:
I was beyond rude and beat the service lass into submission and I also sent an email to the CEO, he rang back himself orif it wasnt it was his 2IC. Turns out hes a biker and when I pointed out it was an irreplaceable vintage cb550 frame he couldn't have been more helpful tbh, funny that isnt it!
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