SOHC.co.uk Forums > CB350/400

This piston must need replaced?

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Laverdaroo:

--- Quote from: Johnny4428 on January 23, 2024, 05:40:34 PM ---Actually if you can lock the front with a single disc, (which I know you can), it begs the question the benefit of fitting a double disc setup, or am I missing the point?
I’ll get me coat!🫣🫣

--- End quote ---



Cos twin discs look ‘the shizzle’ and balance the front end a bit in terms of looks IMO. Plus it’s more bling to dazzle the chicks outside the all girls school bus stop when you rumble by looking all macho
Each to their own. I disconnected the abs on the VFR for a while a few years back and the brakes were no where near as good but like I say, each to their own and soon rigged it all back up again and to be fair, EBC discs, carbon Lorraine sintered pads, braided lines and better levers, they bloody should be


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Rozabikes Tim:

--- Quote from: Laverdaroo on January 23, 2024, 10:50:48 PM ---
--- Quote from: Johnny4428 on January 23, 2024, 05:40:34 PM ---Actually if you can lock the front with a single disc, (which I know you can), it begs the question the benefit of fitting a double disc setup, or am I missing the point?
I’ll get me coat!🫣🫣

--- End quote ---


 Plus it’s more bling to dazzle the chicks outside the all girls school bus stop when you rumble by looking all macho

Sent from my iPhone using Tapatalk

--- End quote ---

I do hope we are talking back in the day and not last week Roo. That would be wrong! 😱

K2-K6:
To the original question....the stainless piston option is a good one. Experience on here is that they are well made and work well.

As Bryan has already contributed, the seal, its groove, how clean that is, are one of the most crucial aspect of getting this (and any caliper) to work correctly.

They should be assembled with silicone grease (it's directed even in the very first 750 Honda manual) to work well and protect it from corrosion.

The seal on a single piston caliper must retract the piston to give running clearance for BOTH pads (the static side on this is assisted in keeping the pad off the disc while running, but needs the seal to "give" initial clearance) and makes a big difference to how effective the brake is..you should be able to feel the free piston go out when lightly squeezing the lever, then definitely retract as you let the lever go. If it doesn't do this (that's about 0.4mm) a very visible retraction, then either the groove is not clean or the seal is not toleranced correctly. 
It may be of use considering the genuine Honda seal IF you dont get that retraction correctly established.

Oddjob:

--- Quote from: Rozabikes Tim on January 24, 2024, 07:48:44 AM ---
--- Quote from: Laverdaroo on January 23, 2024, 10:50:48 PM ---
--- Quote from: Johnny4428 on January 23, 2024, 05:40:34 PM ---Actually if you can lock the front with a single disc, (which I know you can), it begs the question the benefit of fitting a double disc setup, or am I missing the point?
I’ll get me coat!🫣🫣

--- End quote ---


 Plus it’s more bling to dazzle the chicks outside the all girls school bus stop when you rumble by looking all macho

Sent from my iPhone using Tapatalk

--- End quote ---

I do hope we are talking back in the day and not last week Roo. That would be wrong! 😱

--- End quote ---

And you would be wrong Tim, he meant last week. They don't call him Flash for nothing. The St Trinians character was based on Roo.

TrickyMicky:

--- Quote from: Laverdaroo on January 23, 2024, 10:50:48 PM ---
--- Quote from: Johnny4428 on January 23, 2024, 05:40:34 PM ---Actually if you can lock the front with a single disc, (which I know you can), it begs the question the benefit of fitting a double disc setup, or am I missing the point?
I’ll get me coat!🫣🫣

--- End quote ---



Cos twin discs look ‘the shizzle’ and balance the front end a bit in terms of looks IMO. Plus it’s more bling to dazzle the chicks outside the all girls school bus stop when you rumble by looking all macho Interesting image Roo, but in my REAL world, as I pass the girl's school, adorned in my XXL wax jacket and a pair of leather jeans that were too small 10 years ago, I don't think that even a second disc is going to improve my chances. Unless of course the latest fashion includes the grey Gaffa tape holding my left boot together!  Stay safe and upright everybody.
Each to their own. I disconnected the abs on the VFR for a while a few years back and the brakes were no where near as good but like I say, each to their own and soon rigged it all back up again and to be fair, EBC discs, carbon Lorraine sintered pads, braided lines and better levers, they bloody should be


Sent from my iPhone using Tapatalk

--- End quote ---

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