Front master cylinder

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Terrapista
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Joined: Mon Jan 09, 2017 4:35 pm

Front master cylinder

Post by Terrapista » Sat Jan 14, 2017 7:57 pm

Hi all.
Just like to know how the lever sits on the piston. Is there a spiggot to actuate the piston? I tried looking at the oem fiche suggests no spiggot so maybe in the lever adjustment maybe? Photo of how it sits would be ideal.
I took off damaged one ages ago but neglected to note this simple thing.
Thank you
Leon
A bike on the road is worth two in the shed.

Aussiejoe
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Posts: 129
Joined: Thu Jul 30, 2009 2:20 pm
Location: Brisbane, Queensland, Australia

Re: Front master cylinder

Post by Aussiejoe » Sun Jan 15, 2017 12:11 pm

I'll get some pics for you at the end of the week mate.

Terrapista
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Joined: Mon Jan 09, 2017 4:35 pm

Re: Front master cylinder

Post by Terrapista » Tue Jan 17, 2017 9:37 am

Thank you aussiejoe.
A bike on the road is worth two in the shed.

Aussiejoe
On the Road
Posts: 129
Joined: Thu Jul 30, 2009 2:20 pm
Location: Brisbane, Queensland, Australia

Re: Front master cylinder

Post by Aussiejoe » Thu Jan 19, 2017 12:56 pm

Partially dismantled
brake master lever.jpg
brake master lever.jpg (179.17 KiB) Viewed 385 times
Arrows point to the spot that pushes the piston, directly opposite to the adjuster
arrow points at.jpg
arrow points at.jpg (182.11 KiB) Viewed 385 times

Terrapista
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Joined: Mon Jan 09, 2017 4:35 pm

Re: Front master cylinder

Post by Terrapista » Thu Jan 19, 2017 3:20 pm

Very helpful. Not missing anything but definitely have to source oem lever. The aftermarket one I have fits but not flush at the underside.
Thank you for your time and consideration aussiejoe.
Regards
Leon
A bike on the road is worth two in the shed.

Aussiejoe
On the Road
Posts: 129
Joined: Thu Jul 30, 2009 2:20 pm
Location: Brisbane, Queensland, Australia

Re: Front master cylinder

Post by Aussiejoe » Thu Jan 19, 2017 5:33 pm

Happy to help mate, sorry it took me a few days to get back to you, saw your post late Sunday night just before bed and had to take a truck to North Queensland early Monday morning, hence the delay. You'll struggle to find an OEM one, but a Suzuki one should fit like this http://www.ebay.pl/itm/Brake-Lever-silv ... 3cc8bb9db2 or some modifications with a rotary file aka grinder.

Let me know if you need any help with sorting out your bike, I have my 650 carby model in pieces at the moment, so I can get pics for you.

Terrapista
On the Road
Posts: 6
Joined: Mon Jan 09, 2017 4:35 pm

Re: Front master cylinder

Post by Terrapista » Thu Jun 15, 2017 9:42 am

Hi. Just wondering if its possible to get the piston back to the actuation point in order to bleed the brakes. There is a leak inside the boot which has probably caused the piston to set further in.
Cheers for any advice
A bike on the road is worth two in the shed.

andybaggies
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Joined: Mon Feb 16, 2015 4:31 pm
Location: Wiltshire

Re: Front master cylinder

Post by andybaggies » Thu Jun 15, 2017 10:45 am

How about trying the reverse bleed method ? use a syringe on the caliper bleed nipple and push the fluid 'backwards' up into the master cylinder.

I used this method after I took the caliper pistons out for a seal refurbish and found that bleeding them in the usual manner proved pretty much impossible.

Andy B

Terrapista
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Posts: 6
Joined: Mon Jan 09, 2017 4:35 pm

Re: Front master cylinder

Post by Terrapista » Thu Jun 15, 2017 12:37 pm

Thanks mate. Never thought of that. Looks like guaranteed way for no air in the lines.
A bike on the road is worth two in the shed.

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