Clutch master cylinder

Ianbott · Posted: Sun Mar 13, 2011 10:19 pm Post subject: Clutch master cylinder

Hi guys, i've got one of Richards bellhouses with a stadard T25 hydraulic slave cylinder, now my buggy is all set up but it doesn't seem like the clutch master is pushing the slave far enough, does anyone know what size a standard T25 master cylinder is?

Cheers Ian.

Ianbott · Posted: Sat Apr 02, 2011 10:16 pm Post subject:

I have the answer to this one now.
Thanks Ian.

ElusiveStranger · Posted: Sun Apr 03, 2011 12:02 am Post subject:

Please post the answer for future reference
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Ianbott · Posted: Sun Apr 03, 2011 8:52 am Post subject:

Yeah sorry that would help lol
The clutch master cylinder for a T25 has a diameter of 19mm or 0.75"

Cheers Ian.

rjes · Posted: Sun Apr 10, 2011 9:01 pm Post subject:

The critical bit is the amount of fluid your master cylinder displaces when you press the clutch (master cylinder bore area x active master cylinder stroke). As long as this is right the bore isn't important - it just needs a matching amount of travel. The fluid displacement needs to be 10.2 cc (or ml), or very close.
Too much displacement will damage the clutch. Too little won't release the clutch fully.
The active master cylinder stroke is typically the actual pushrod stroke minus about 2 mm.
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