Author Topic: what master cylinder for my twin discs CB550  (Read 1892 times)

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Offline MAX MPH

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what master cylinder for my twin discs CB550
« on: October 11, 2010, 11:12:32 AM »
hi all

i have fitted twin discs to my CB550 cafe racer, using a Kawasaki ZX400 master cylinder & lever

this doesnt seem to be good enough can anyone advise a master cylinder & lever from a stock bike that would work with the twin disc setup

i have new standard calipers fitted

would it be the mater cylinder piston size that matters

thanks andy
« Last Edit: October 11, 2010, 11:21:01 AM by MAX MPH »

Offline shizzomynizzo

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Re: what master cylinder for my twin discs CB550
« Reply #1 on: October 11, 2010, 06:47:10 PM »
http://cgi.ebay.com/ebaymotors/FRONT-BRAKE-MASTER-CYLINDER-GS1000-GS1100-GS1150-GS750-/110597431229?pt=Motorcycles_Parts_Accessories&hash=item19c01edfbd

bought this one here, its the same as the gl1100 which is recommended for the swap (he charges different prices for the same exact m/c). Brand new, good quality, have seen no complaints.

Have not used it yet, build in progress
1974 CB550
1985 XLX Last of the IH
2001 Street Glide

Offline MaaseyRacer

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Re: what master cylinder for my twin discs CB550
« Reply #2 on: October 11, 2010, 07:51:36 PM »
That is identical to the one Suzuki uses on their DRZ 400s. I plan on using it for my 310mm disk swap.
1961 CB72
1961 CB77
1962 CB77
1962 CB77
1965 CB160
1970 Triumph Bonneville
1972 Honda CB450
1975 Norton Commando

Offline MAX MPH

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Re: what master cylinder for my twin discs CB550
« Reply #3 on: October 11, 2010, 10:21:40 PM »
ive been offered a ZXR750 can anyone confirm if that is man enough for the job

the zx400 pulls back to the bars not enough stopping power

regards andy

Offline Bluegreen

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Re: what master cylinder for my twin discs CB550
« Reply #4 on: October 12, 2010, 01:04:36 AM »
I'm using a master from a '77 cb750 ss. It came stock with dual disc. Works great and looks the part, it's a little taller than the one I pulled off my 500.