SOHC.co.uk Forums > CB500/550
CB550F Double Disc's
Bryanj:
Now I did my first twin disc using two 500 sliders which put one caliper in front and one behind and altered the muguard mount by carfully cutting off the psrt with the bolt holes , turning it round and welding it back on. Don't ever remember shimmng anything and everyhing worked ok.
Later rebuit it with a 550 sider when they came avaiabe used but still dont remember any shimming.
I bought a genuine part speedo drive as it is the very eary 750 one that is needed and have still got one NOS for one of my projects which i wi happily take pictures of and measure but not sell I also used a girling master for an eary GL1000 which was identical to the Honda part as this meant the lever did not travel so far back before the brakes worked.
All this was back in the 76/77/78 era so don't ask for any better descriptions, the only other thing i remember is finding out the steering stem was bent where it went into the lower yoke as when I used the brake hard the mudguard came up between the two centre pipes of the (Very Loud) Marvin exhaust system so no matter what you wanted to do you went straight on, as the IOM plod found out just before he dived over the wall at Glen Helen---I let the brake off and just got round, always hated my mates GS750 after that as there was no front brake operated brake light!!!
Ewan 500 K1:
--- Quote from: Bryanj on April 21, 2014, 09:25:03 AM ---Now I did my first twin disc using two 500 sliders which put one caliper in front and one behind and altered the muguard mount by carfully cutting off the psrt with the bolt holes , turning it round and welding it back on. Don't ever remember shimmng anything and everyhing worked ok.
Later rebuit it with a 550 sider when they came avaiabe used but still dont remember any shimming.
I bought a genuine part speedo drive as it is the very eary 750 one that is needed and have still got one NOS for one of my projects which i wi happily take pictures of and measure but not sell I also used a girling master for an eary GL1000 which was identical to the Honda part as this meant the lever did not travel so far back before the brakes worked.
All this was back in the 76/77/78 era so don't ask for any better descriptions, the only other thing i remember is finding out the steering stem was bent where it went into the lower yoke as when I used the brake hard the mudguard came up between the two centre pipes of the (Very Loud) Marvin exhaust system so no matter what you wanted to do you went straight on, as the IOM plod found out just before he dived over the wall at Glen Helen---I let the brake off and just got round, always hated my mates GS750 after that as there was no front brake operated brake light!!!
--- End quote ---
part number 44641-300-000, as shown ????. Think its unavailable now, but an be copied by modifying a stock 500 / 550 one as my post above
Trigger:
Yes Ewan, had noticed it on your post. Was trying to work out if this bloke from Salocal put the drive plate in and then just crushed it by pulling it in by tightening up the disc bolts :-\
Ewan 500 K1:
--- Quote from: trigger6969 on April 21, 2014, 09:30:53 PM ---Yes Ewan, had noticed it on your post. Was trying to work out if this bloke from Salocal put the drive plate in and then just crushed it by pulling it in by tightening up the disc bolts :-\
--- End quote ---
::)
Johnwebley:
I managed to get the original speedo drive from CMSNL.com last year,
they had several in stock,
and I did have to trim the outer of it,and also file the disc carrier to take it
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