Honda Silver Wing Scooter Forum

Hi, Welcome to the Silverwing 600 Forum. We ask that you be polite and also introduce yourself on your 1st post. The members are friendly and helpful so just have fun. There is www.maxi-scoots.com site that is geared for all scooters and motorcycles.
 
HomeGallerySearchRegisterLog in
Search
 
 

Display results as :
 
Rechercher Advanced Search
Latest topics
» touch up paint
Your Chance To Vote...front caliper pistons I_icon_minitimeby DareStx Today at 12:01 pm

» NQiGTS Pro Electric Scooter
Your Chance To Vote...front caliper pistons I_icon_minitimeby oldwingguy Today at 8:23 am

» Ultimate Touring Machine!
Your Chance To Vote...front caliper pistons I_icon_minitimeby john grinsel Today at 8:19 am

» He Finally Arrived
Your Chance To Vote...front caliper pistons I_icon_minitimeby DareStx Yesterday at 6:40 pm

» January 2021 Photo
Your Chance To Vote...front caliper pistons I_icon_minitimeby Mike from NS Yesterday at 7:26 am

» Potential ruination of Peggy's Cove
Your Chance To Vote...front caliper pistons I_icon_minitimeby Mike from NS Yesterday at 7:22 am

» Riding 2021
Your Chance To Vote...front caliper pistons I_icon_minitimeby john grinsel Mon Jan 18, 2021 5:41 pm

» Need Skirt R 50611 MZT 681ZJ Gray
Your Chance To Vote...front caliper pistons I_icon_minitimeby Cosmic_Jumper Sun Jan 17, 2021 2:44 pm

» Brake Fluid Resistant Paint
Your Chance To Vote...front caliper pistons I_icon_minitimeby steve_h80 Fri Jan 15, 2021 1:00 pm

» How is the vaccine doing in your area
Your Chance To Vote...front caliper pistons I_icon_minitimeby GHM-PM Fri Jan 15, 2021 9:16 am

Navigation
 Portal
 Index
 Memberlist
 Profile
 FAQ
 Search
free forum
 
 

 Your Chance To Vote...front caliper pistons

Go down 
AuthorMessage
Loosemarbles
Silver Wing Expert
Silver Wing Expert
Loosemarbles

Number of posts : 570
Location : South East England
Points : 2202
Registration date : 2016-10-01

Your Chance To Vote...front caliper pistons Empty
PostSubject: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeSun Jan 10, 2021 2:03 pm

This is the state of the pistons on my front brake caliper, after a clean up. Take a close look.

Your Chance To Vote...front caliper pistons Front_13

Tomorrow I am going to push those pistons back into their housing in order fit a new brake disc and new brake pads.

If you care to, let me know on a scale of 1 to 5 what you think the chances are of those pistons damaging the bore seals, naturally this will lead to a fluid leak. Remember, those pistons will have to go 'flat' to the caliper housing.

Scoring: (1 being 'no chance' and 5 being 'no problem'.

I don't know how far back the seals are inside the bore so I reckon I'm in with a chance.

affraid
Back to top Go down
sc00ter
Maxi-Scooter Rider
Maxi-Scooter Rider


Number of posts : 171
Location : Norfolk, VA
Points : 1103
Registration date : 2018-07-16

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeSun Jan 10, 2021 5:59 pm

2ish to a 3. Clean the pistons as best as you can! Get that rust off of them and clean 'em up good. Pitting severity will determine if the seals will seep. If it was mine I would replace the pistons and seals. That would also give you the chance to see if the seal grooves have any corrosion. It seems no matter how clean you keep some brake calipers the pistons will get pitted. My old Helix comes to mind.
Back to top Go down
Cosmic_Jumper
Site Admin
Cosmic_Jumper

Number of posts : 3635
Age : 77
Location : damn near Philadelphia, PA
Points : 8459
Registration date : 2009-06-12

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeSun Jan 10, 2021 6:44 pm

Would that be, “no problem”, “no chance” of “those pistons damaging the bore seals”, or what? scratch

I’m in agreement with sc00ter, I’d replace the pistons & seals too. Especially if this is what you’ve got after cleaning the pistons.
Back to top Go down
Loosemarbles
Silver Wing Expert
Silver Wing Expert
Loosemarbles

Number of posts : 570
Location : South East England
Points : 2202
Registration date : 2016-10-01

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeSun Jan 10, 2021 7:02 pm

Well, not the answers I was hoping for, however, the master cylinder reservoir is full of gunk anyhow so maybe I should clear the system and be done with it?

Oh Lord, I'm not looking forward to this.

I hate brakes, they just slow you down Evil or Very Mad



Back to top Go down
Terry Smith
Super Scooter Rider
Super Scooter Rider
Terry Smith

Number of posts : 228
Age : 56
Location : Auckland, New Zealand
Points : 567
Registration date : 2020-03-11

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeSun Jan 10, 2021 7:59 pm

I had a bear of a job pulling the calipers apart on my Swing but it had been sitting in a coastal location for a few years and they were well-seized. I can suggest that if you plan on pulling the pistons right out, the easiest way to shift them is simply pump them out as far as you can using the brake levers; you may need a handy-sized spanner or block of wood if one piston is moving more freely than t'other. Then clean off any gunge using a scotchbrite pad or similar (no scratchy!) and finish with some metal polish (I like Autosol). If the pits aren't too deep they will be fine to re-use, and chances are the pits will be outside of the inner seal anyway.
Back to top Go down
steve_h80
Silver Wing Expert
Silver Wing Expert


Number of posts : 652
Location : Teesdale, UK
Points : 2438
Registration date : 2016-05-15

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeMon Jan 11, 2021 3:29 am

It doesn't look good. I'd be tempted to pump the pistons right out and see if you can clean them up better.
But photos can be deceptive, that corrosion might be smooth enough for you to get away with it.
Back to top Go down
john grinsel
Curmudgeon
john grinsel

Number of posts : 3000
Age : 81
Points : 7710
Registration date : 2009-08-18

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeMon Jan 11, 2021 9:16 am

Brake systems---new parts work best ....if you like stopping!
Back to top Go down
oldwingguy
Silver Wing Guru
Silver Wing Guru


Number of posts : 1697
Location : Hocking Hills U.S.A.
Points : 3711
Registration date : 2016-01-29

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeMon Jan 11, 2021 10:32 am

My thoughts, are you going to keep it and ride it and like not having the same problem down the road? replace and start anew. More than once on various problems I've found " just fixing to get by" means a do over sooner or latter.
Back to top Go down
GoonerKev
Silver Wing Rider
Silver Wing Rider
GoonerKev

Number of posts : 409
Age : 66
Location : Reigate, Surrey, UK
Points : 1113
Registration date : 2019-04-09

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeMon Jan 11, 2021 12:44 pm

Loosemarbles
No compromise, it's your life mate. Just buy new pistons & seals, then enjoy the ride without thinking......... I wonder if they will still work next month Wink thumbs up
Back to top Go down
Mech 1 twa
Silver Wing Expert
Silver Wing Expert
Mech 1 twa

Number of posts : 997
Location : Allentown PA.
Points : 2918
Registration date : 2016-01-02

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeMon Jan 11, 2021 8:55 pm

What are they putting on roads over there? I know your bike is old but that's a lot of rust. 1-2 they will leak in the future but who knows? Look for the puddle under the wheel. Even if the inner seal area is not rusted it will be soon enough from outer ones letting water in.
Back to top Go down
Loosemarbles
Silver Wing Expert
Silver Wing Expert
Loosemarbles

Number of posts : 570
Location : South East England
Points : 2202
Registration date : 2016-10-01

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeTue Jan 12, 2021 6:17 am

I replaced the rear pistons a few years ago and they're already showing signs of pitting and corrosion around the exposed edge. I never take the bike out if the roads have been gritted, the salt just eats anything it touches.

OK, so the caliper will come off and I'll clean it up and fit new pistons. My next issue is the state of the fluid reservoir here:

Your Chance To Vote...front caliper pistons Front_14

I have a spare (below) but as you will see it doesn't look much better.

Your Chance To Vote...front caliper pistons Front_15

I'll get it professionally cleaned up but can that corrosion be treated before I reuse it?

Back to top Go down
Loosemarbles
Silver Wing Expert
Silver Wing Expert
Loosemarbles

Number of posts : 570
Location : South East England
Points : 2202
Registration date : 2016-10-01

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeTue Jan 12, 2021 12:26 pm

OK, voting is now closed. I've stripped the caliper and discovered something quite useless but interesting.

The seals in the caliper bores are far enough back to have allowed me to have pushed the two larger (front) pistons back into the bores without the corrosion on the pistons from reaching the seals. Not so with the smaller (rear piston), that seal sits very close to the top of the bore and would have succumbed to leaking immediately from the corrosion. Just to be 'nurdish' I'm going to measure the precise distance and post it on the end of this thread....if this thread ever ends!

Anyhow, the caliper has gone off to be refurbed and rebuilt so that when it comes back it will be ready to fit back on the bike with new pads to be fitted. BTW, there is a company in Chesterfield UK who do this refurb and rebuild stuff at very reasonable cost. By the time you've costed separate pistons, seals, banjo bolt washers and all the rest of it, it makes having it done by these people a no brainer. Incidently, Honda are in the throes of discontinuing supply of the larger pistons for the front caliper. However, Powerhouse have them in stock, stainless too.

As for the front reservoir, I'm going to choose the best of the two and have one of them cleaned up by local blasting company. Then it's all down to a new reservoir piston kit, a refit and bleeding the system.

I don't know if this next bit has been covered before but I decided to 'bung' the rear lever's brake pipe by pushing an audio XLR plug 'strain relief' onto the banjo hole. The strain relief is slightly conical and went in nicely and so far is not leaking. I'm hoping this will stop the rear brake reservoir from draining and will avoid me having to bleed the rear brake as well. It was my better half who thought of using this strain relief while I was wandering around the living room, deep in thought, muttering..."what do we have that's shaped like a conical tube-like piece of rubber???? It's not the first time that she has resolved one my unresolvable technical issues!

Back to top Go down
Terry Smith
Super Scooter Rider
Super Scooter Rider
Terry Smith

Number of posts : 228
Age : 56
Location : Auckland, New Zealand
Points : 567
Registration date : 2020-03-11

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeTue Jan 12, 2021 9:24 pm

To stop the fluid gravity draining out of the open banjo, one can tie the lever back to the bar at the master; that seals off the fluid intake in the master and stops the dribbles. Sort of counter intuitive but it works, and the same applies to bikes with a hydraulic clutch (which can otherwise slowly push the slave piston out when the slave is dismounted off the pushrod).
Back to top Go down
Mech 1 twa
Silver Wing Expert
Silver Wing Expert
Mech 1 twa

Number of posts : 997
Location : Allentown PA.
Points : 2918
Registration date : 2016-01-02

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeTue Jan 12, 2021 9:36 pm

Good idea or take rubber cap off of bleeder screw and seal line or master cylinder fitting.
Back to top Go down
oldwingguy
Silver Wing Guru
Silver Wing Guru


Number of posts : 1697
Location : Hocking Hills U.S.A.
Points : 3711
Registration date : 2016-01-29

Your Chance To Vote...front caliper pistons Empty
PostSubject: Re: Your Chance To Vote...front caliper pistons   Your Chance To Vote...front caliper pistons I_icon_minitimeTue Jan 12, 2021 9:56 pm

Well gents it's my thought but if I were going to go through all the trouble of replacing and repairing I'd want a full system bleed with fresh fluid from a sealed can. One of the handiest EZ tips I've used is tying back the brake levers and letting it sit overnight after I bleed the systems.
Back to top Go down
 
Your Chance To Vote...front caliper pistons
Back to top 
Page 1 of 1
 Similar topics
-
» rzr deluxe front brushguard for sale
» rzr front diff. rebuild
» Ok Guys Vote on date!
» Polaris Rzr Deluxe front Brushguard for sale
» Rzr front diff parts

Permissions in this forum:You cannot reply to topics in this forum
Honda Silver Wing Scooter Forum :: Honda Silver Wing :: Maintenance, Tips and Hints-
Jump to: