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Post Info TOPIC: master cylinder


DTR Senior Member

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master cylinder
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does anyone know how to swap out the standard front box cylinder to a external cylinder one like the rear? 



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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers



DTR Senior Member

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don't think that'll be possible, as the rear cylinder works from a downwards pull opening the flow and pumping the oil through, if you could possibly match the action needed for it, then i spose it would work, but it'd be way to much hassle for something ..... pointless?

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Guru

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Look for a sports bike front master and lever, can't keep the dt 1, something like a ninja or Gsxr?

Keep your calliper obviously but use their front master

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DTR Legend

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get gixxer master cylinder, then you can join the crew ayyyyyyyyyyyyyyyyye :D

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K6 DRZ 400sm



DTR Trusted Engine Builder

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http://www.ebay.co.uk/itm/Aprilia-RS-125-front-brake-lever-master-cylinder-and-switch-/220947393492?pt=UK_Motorcycle_Parts&hash=item33717dabd4#ht_1936wt_1132

 

AND

 

http://www.ebay.co.uk/itm/Motorcycle-Fluid-Reservoir-Front-Brake-Clutch-Master-Cylinder-Black-15-cc-/270875624658?pt=UK_Motorcycle_Parts&hash=item3f117204d2#ht_1393wt_1132

 

THAT WILL GET YOU GOING OS THAT WHAT U MEAN MATE ??smile



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DTR Trusted Engine Builder

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OR IF UR FEELING FLUSH

http://www.ebay.co.uk/itm/BREMBO-RCS-19x20x18-RADIAL-MASTER-CYLINDER-FRONT-BRAKE-PUMP-PR-ADJUSTABLE-RATIO-/380396105551?pt=UK_Motorcycle_Parts&hash=item58915fef4f#ht_6362wt_902



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DTR Senior Member

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gonna attempt this :)

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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers



Guru

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Keep us updated mate!

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MY 'BAD BOY' BUILD 



Guru

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i want one of thos front masters with the external Reservoirs for my next sm build thtll look the dogs

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DTR Senior Member

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all the bits are on there way now, hopefully have them within the next week so can get some pics up
but i have always loved the look of external reservoirs compared to the built in ones. :)

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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers



DTR Senior Member

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iv fitted a k7 gsxr600 front master to mine big improvement mate

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Guru

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found a brembo one off a 4dl tzr

http://www.ebay.co.uk/itm/Yamaha-TZR125-4DL-95-97-BREMBO-Front-Brake-Master-Cylinder-18673-/280794070180?pt=UK_Motorcycle_Parts&hash=item4160a17ca4

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Guru

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NEV wrote:
mr karnage wrote:

found a brembo one off a 4dl tzr

http://www.ebay.co.uk/itm/Yamaha-TZR125-4DL-95-97-BREMBO-Front-Brake-Master-Cylinder-18673-/280794070180?pt=UK_Motorcycle_Parts&hash=item4160a17ca4


 Hey Karnage, have you got the Brembo lever for this mate? only the lever I have for the TDR Brembo front brake assembly, I can't see how it activates the microswitch, for the brake light.

Which I've noticed is missing on yours btw, I had to order one from Damerells this week,as one of the two spade terminals had broken off flush, it's costing £9 pound something,delivered, plus you'll need the two 2mm screws and the two nuts, not sure if they come with the switch mind.


 

i dont have that master cylinder, ive put a ktm brembo one on and it uses the same kind of microswitch as that tzr one

its mounted underneath where theres two holes just at the front of master cylinder, when the levers pulled the button comes out and activates the switch

edit: just seen that it looks like the mounts are same but i cant see how the switch is activated



-- Edited by mr karnage on Saturday 18th of February 2012 05:40:07 PM

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DTR Senior Member

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heres mine mate



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NEV


Guru

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mr karnage wrote:

found a brembo one off a 4dl tzr

http://www.ebay.co.uk/itm/Yamaha-TZR125-4DL-95-97-BREMBO-Front-Brake-Master-Cylinder-18673-/280794070180?pt=UK_Motorcycle_Parts&hash=item4160a17ca4


 Hey Karnage, have you got the Brembo lever for this mate? only the lever I have for the TDR Brembo front brake assembly, I can't see how it activates the microswitch, for the brake light.

Which I've noticed is missing on yours btw, I had to order one from Damerells this week,as one of the two spade terminals had broken off flush, it's costing £9 pound something,delivered, plus you'll need the two 2mm screws and the two nuts, not sure if they come with the switch mind.



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DTR Trusted Engine Builder

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http://www.ebay.co.uk/itm/Motorcycle-Brake-Lever-Clutch-Master-Cylinder-Reservoir-Hydraulic-Brake-Right-/260958454014?pt=UK_Motorcycle_Parts&hash=item3cc25600fe#ht_2328wt_1270

just seen that



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Guru

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Nice, tempting :P

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Guru

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found it

the switch mounts underneath and theres a hole for where the button sits

you can see it on this one

http://www.ebay.co.uk/itm/Yamaha-TZR125-4DL-95-97-BREMBO-Front-Brake-Master-Cylinder-18669-/300639917829?pt=UK_Motorcycle_Parts&hash=item45ff891705

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NEV


Guru

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My levers deffo been doctored somehow, as you can see in the pic, the plunger on the microswitch doesn't come all the way through either, I'm presuming theres a spring and ballbearing and a recess in the lever, or something similar.







Uploaded with ImageShack.us





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Guru

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i think your right with the ball bearing and spring kind of thing

i did a bit of searching but couldnt find anything

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DTR Senior Member

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ok i have got the master fitted from the rs125, wondering how i can doctor the brake light wire and switch? will just cutting the wire and rewiring into the rs switch work? im also going to have to mod the asv lever i have for it as it does not currently activate the switch

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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers



DTR Senior Member

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also just waiting for the res to come from thailand :| 20days delivery? damn xD

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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers

NEV


Guru

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has switch got two 2mm spade terminals on it?

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DTR Senior Member

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um, yeah i think it has

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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers

NEV


Guru

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Just need to chop the wires back and connect two FEMALE 2mm terminals on to the existing brake switch wires, try and fit some shrink tube over each one if you can.

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Guru

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i wouldnt do that

i cut the plug off the ktm master cylinder then soldered the plug off the dt master on the two cables

its an oem fit

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DTR Senior Member

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sorry karnage i dont understand what you mean by oem fit?
asin it only fits the oem plug?

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-Yamaha DT 125 RE 2007 

supermoto wheels
motocross headlight
trailtech vapour stealth
full DEP system
yz rear guard
custom seat
powdercoated tank
custom levers



Guru

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u chop the original plug off the oem switch n soulder it on to the after market switch so it connects to loom using the oem plug

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NEV


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Now I'm confuzzled, you have the original wire to DTR loom plugged in, the other end needs two female 2mm connectors to connect to this at the lever end, the switch is circled, only one of my spade terminals has broken off, you can't use any other switch than this one, for that Brembo lever anyroad.





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Guru

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is the plug on that switch the same as the dtr then?

i thought it was different and you were going to chop the plug of the loom

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