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master cylinder

master cylinder

Postby mudplugger » Sat Dec 10, 2016 9:18 am

I am using the original calipers on the front of my Mettisse, from the T140 1979, I don't like the big fluid cylinder that was original, will a small modern master cylinder do the trick, I know there are ratio issues to think of like on my commando front brake, any recommendations. thanks
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Re: master cylinder

Postby trident sam » Sat Dec 10, 2016 10:47 am

My mate has a T140 with original caliper and 12mm Magura master cyl.. The brake is superb, so much so I've bought the same master cyl from Venhill and am fitting it to my Commando with alloy AP caliper

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Re: master cylinder

Postby nortriubuell » Sun Dec 11, 2016 7:24 am

mudplugger wrote:I am using the original calipers on the front of my Mettisse, from the T140 1979, I don't like the big fluid cylinder that was original, will a small modern master cylinder do the trick, I know there are ratio issues to think of like on my commando front brake, any recommendations. thanks


Pictures below show a "chromed" Nissin M/C (works a treat) for my own Triumph:

Image

And another Nissin M/C (in black, and it also works a treat) on my Norton:

Image

Hope this helps, cheers.
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Re: master cylinder

Postby Fast Eddie » Sun Dec 11, 2016 7:58 am

Isn't that the same set up that Mick Hemming used to sell but with a different bracket / attachment thingy?
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Re: master cylinder

Postby nortriubuell » Sun Dec 11, 2016 5:54 pm

Fast Eddie wrote:Isn't that the same set up that Mick Hemming used to sell but with a different bracket / attachment thingy?


The one on my Norton pictured is from "mikesxs.net" with the link below:

https://www.mikesxs.net/yamaha-xs650-1m ... -bore.html

The one on the Triumph is also from mikesxs, but "chromed" with sloping master cylinder.

And THE latest one I have on my Norton, is the BEST, from Don Pender (madass user on this forum) below 8)

http://www.tritonmotorcycleparts.com/29 ... tid=146825
70 Triumph 650 chopper
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74 Norton 850 project
76 Triumph w/69 650 motor
80 Kaw KZ1000
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Re: master cylinder

Postby mudplugger » Mon Dec 12, 2016 6:46 am

trident sam wrote:My mate has a T140 with original caliper and 12mm Magura master cyl.. The brake is superb, so much so I've bought the same master cyl from Venhill and am fitting it to my Commando with alloy AP caliper


am I right in thinking the 12mm is the piston size, all the magura seem to be 1.5 ratio, at around the £225 - £250 cost, would the piston size be the same with other makes? cheers
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Re: master cylinder

Postby trident sam » Mon Dec 12, 2016 7:13 am

No, the stroke is 12mm, the piston diam is 13mm.
It's on the Venhill site under -other magura master cylinders-
model number 122000 magura 225 master cylinder, cost is @£112 plus a brake switch if you want one.

I don't know if it's tha same size as the Nissin one mentioned here but I do know that the Nissin ones work well with twin discs as I bought a used Triumph Speedtriple (Nissin) brake master cyl and fitted it up with a pair of discs on my T160.
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Re: master cylinder

Postby mudplugger » Mon Dec 12, 2016 10:43 am

great info, thanks will look into them all
76 Commando
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68 Daytona T100T
07 sprint ST
94 Triumph Speed triple mk1
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Re: master cylinder

Postby chasbmw » Wed Jan 04, 2017 2:37 am

Generally a smaller MC than that fitted originally is a good thing, think 12/13mm
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