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Clutch Masters with integrated Res.

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Old May 22, 2009 | 05:51 PM
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Clutch Masters with integrated Res.

So I am closing in on being done modding my bike..

And with the arrival of my new brakes and clutch master cylinder today, yruyur mentioned that the forum would probably benefit from the results of my research into optional clutch master cylinders with integrated reservoirs. (I downloaded the Service Manuals for every bike who's integrated res I found on Ebay)

The stock VTR Clutch Master Cylinder is a 14mm diameter piston.

Here are a list of other Honda Clutch Master Cylinders with integrated reservoirs and the same diameter piston:

ST1100 (what I ended up with)
GL1800 (but not the GL1500)
CBR1000 (the old one, not the blackbird 1100xx)
PC800

So in theory any of those should work, and there are probably others that would also.

FYI: the ST1100 that I ended up with matches very well with the F4i Brake master cylinder that I am also going to use.
Old Aug 24, 2009 | 07:58 PM
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If anything, you want a clutch master with a bigger diameter. This makes it easier to disengage, at the sacrifice of more lever travel.
Old Aug 25, 2009 | 10:37 AM
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That is an option for sure.. But I do like how the ST1100 Clutch MC ended up working on my bike. Looks nice and works the same as stock. (actually I think the engagement zone is slightly closer to the bar now, but my guess is that is more from flushing the system with new fluid)
Old Jan 26, 2010 | 10:50 PM
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Did the stock lever work? Or, did you need to use the one from the ST.
Also, was this the same for the F4i brake m/c?
Old Jan 27, 2010 | 06:33 AM
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I am still using the lever from the ST.

I have been meaning to try my old SH lever just to see if it will fit, but have been too lazy for months to try it. lol.

I do want to get some nice anodized ones eventually and finding one for a ST and one for a F4i that match is unlikely, so I hope the SH one will work, that will give me a easy pair.

As for the F4i brake master, it uses the exact same lever as the SH, I actually kept my SH lever since it was the one in better shape.
Old Jan 29, 2010 | 02:58 AM
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Did your ST m/c have a black lever? I'm only finding black levers for STs & PCs on ebay.
Old Jan 30, 2010 | 05:49 AM
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The OEM SuperHawk lever is a direct bolt-on to a PC800 clutch master cylinder.

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Rex

Last edited by bjorn toulouse; Jan 30, 2010 at 05:50 AM. Reason: speellage
Old Jan 30, 2010 | 09:49 AM
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Originally Posted by Just_Nick
If anything, you want a clutch master with a bigger diameter. This makes it easier to disengage, at the sacrifice of more lever travel.
isn't that backwards? smaller diameter = more pressure per square inch, but less fluid so more travel necessary?
Old May 4, 2020 | 11:53 AM
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Lazn,
I know this an OLD thread...but did you ever try the SH lever on the ST master cylinder?
Thanks,
Andy
Old May 5, 2020 | 01:52 PM
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Using Partzilla related fitment list, Superhawk (clutch) levers will not fit either gen of ST or PC (which use the same levers). Fifth and 6th gen VFR and CBR1100xx use the same lever as both gen SH including 2005.
Old Jun 6, 2020 | 12:15 PM
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I actually bought a used ST1100 set of Master Cylinders from Ebay...rebuilt & mounted them. They came with black levers, but the clutch side wasn't adjustable. So, in the interest of science, I tried mounting both the clutch & brake SH levers to the masters. They fit perfectly...including the "plunger" in the clutch side. After bleeding both the clutch & brake systems (fluid was getting old anyway), they're working GREAT. Even look pretty good too. Definitely more clearance to fairing edges with my 98 VFR800 bars (higher than stockers).
I'll post some pics when I take them...probably this weekend.
Keep it safe Gents!!
Old Jun 25, 2020 | 01:31 PM
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It has been my experience that they all interchange, as long as it is a Nissin master.. The confusion comes from looking up compatability of lever sets... A cbr600 set won't fit because the clutch is cable operated.. But the brake lever works fine...

I am using VFR800 mc's(14mm brake) on my bike, and everything is groovy...


VFR800
When I do my cbr954rr fork swap, I will be switching to a cbr1000 Hurricane 5/8 brake master, and swapping the levers for some red ones from a 954 witch fit fine on the stock, vfr, and Hurricane masters...
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