Honda-SOHC

SOHC.co.uk Forums => CB350/400 => Topic started by: andut on December 21, 2015, 08:28:19 AM

Title: Master Cylinder Rebuild
Post by: andut on December 21, 2015, 08:28:19 AM: Could do with some help / wisdom again please !

I have noticed a small brake fluid leak from around the brake lever recently, so I ordered a m/c repair kit and set about dismantling it over the weekend. Didn't get to far before running into trouble ! The rubber boot has perished and I had to dig out the remains of it, but I'm struggling to get the wire retainer out even before tackling the circlip that I was expecting to be the real fun ! Any tips or tricks welcomed !!

Andy
Title: Re: Master Cylinder Rebuild
Post by: Bryanj on December 21, 2015, 05:10:31 PM: Dental picks mate
Title: Re: Master Cylinder Rebuild
Post by: Chris400F on December 22, 2015, 10:03:22 AM: Pretty sure I used a narrow thin-bladed screwdriver to prise out the clip, then could get circlip pliers in.

A cautionary tale - I bought a rebuild kit from eBay. No reason why it shouldn't have been fine for the job, good seller
feedback etc., only when I came to fit it I found the Check Valve was larger across the corners than the bore diameter.
Seller claimed his kits were all the same and nobody had ever reported a problem before, but back it went as it was no use.
Ended up using one of the aftermarket kits from DS which worked a treat.
Title: Re: Master Cylinder Rebuild
Post by: UK Pete on December 22, 2015, 11:17:00 AM: Push the plunger in , it makes it easier to get any sort of tool in there
pete
Title: Re: Master Cylinder Rebuild
Post by: ManicGTI on January 11, 2016, 05:36:00 PM: +1 for Picks. a set of picks are super useful for the toolbox, straight, 90deg, hooked etc.

I had to buy proper 90deg circlip pliers for the circlip as well, all moy normal ones just wouldn't reach the spot.
Title: Re: Master Cylinder Rebuild
Post by: mike the bike on January 11, 2016, 08:45:10 PM: +1 on pressing the plunger in first. Use WD40 as well. Getting the circlip out is a fun job too.
Title: Re: Master Cylinder Rebuild
Post by: andut on January 12, 2016, 07:32:45 AM: I did dig the boot retaining clip out with a pick, and then had to buy the long nosed circlip pliers that many others mention which made it a much more simple task. All good now, just need the rain to stop for a road test !
Title: Re: Master Cylinder Rebuild
Post by: mike the bike on January 12, 2016, 07:41:15 AM: I thought ypu live in Sunny Essex
Title: Re: Master Cylinder Rebuild
Post by: Chris400F on January 12, 2016, 09:06:07 AM: I bought a pair of these circlip pliers. Didn't break the bank and did the job for me.
http://www.ebay.co.uk/itm/6-INTERNAL-STRAIGHT-NOSE-CIRCLIP-CERCLIP-OIL-SEAL-SNAP-RING-PLIERS-PLIER-w5900-/262001868719?hash=item3d00873faf:g:7VkAAOSwLVZVyzfH
Title: Re: Master Cylinder Rebuild
Post by: ST1100 on January 12, 2016, 03:51:54 PM: I went for the 90° version (pretty similar to the OEM Honda tool):
http://www.ebay.co.uk/itm/361128839837?ru=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_from%3DR40%26_sacat%3D0%26_nkw%3D361128839837%26_rdc%3D1
And already used it for disassembling an MC, worked flawless.
Title: Re: Master Cylinder Rebuild
Post by: tom400f on January 12, 2016, 04:34:48 PM: http://www.sohc.co.uk/index.php/topic,4812.msg22294.html