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Caliper bolt torque for V50 (F05)

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cyclobutch View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cyclobutch Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 16:31
I trust my own hands as to how things feel.

The cost of the pot of copperslip I bought when younger pretty much broke my heart. I've always used it sparingly thinking it should see me out. I've become a little more lavish lately just to ensure I'm keeping up. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote c13pep Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 16:33
It`s the old argument of experience versus the torque wrench. The problem is that you have no idea if your torque wrench is accurate as they never seem to get tested or replaced. I have no doubt that my Britool wrenches are somewhere near but using ones experience and mainly `feel` takes a lot of beating especially on the older bikes. Worst of all in these days of Chinese fakes and cheap tools you can easily come to rely on something that's not genuine whereas experience and especially the `feel` usually can be relied on.(as mentioned before the four modes of tightness)

CHRIS    
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GC888 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 17:43
Originally posted by iansoady iansoady wrote:

Originally posted by GC888 GC888 wrote:

On the other hand brakes are not important feature so a good guess will be fine, whats the worst that can happen.... If they fail you can use your gears or drag you feet to slow :-) 
 


......

One advantage of the linked brake system is that I will have adequate stopping power even if one system fails completely......

Very true, very true :-) 

are you just refurbishing one calliper or all 3? 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GC888 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 17:54
Originally posted by c13pep c13pep wrote:

It`s the old argument of experience versus the torque wrench. The problem is that you have no idea if your torque wrench is accurate as they never seem to get tested or replaced. I have no doubt that my Britool wrenches are somewhere near but using ones experience and mainly `feel` takes a lot of beating especially on the older bikes. Worst of all in these days of Chinese fakes and cheap tools you can easily come to rely on something that's not genuine whereas experience and especially the `feel` usually can be relied on.(as mentioned before the four modes of tightness)

CHRIS    

If you have any doubt you can test torque wrenches against each other - its the cheapest quickest method to check over a range - though you could be really unlucky and get two torque wrenches as inaccurate as each other !!!

You can also test your personal torque accuracy - tighten your wheel nuts up on your car then torque them up to see how accurate you are over 4 nuts and a range of settings. 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 18:41

Assuming you own two torque wrenches of course.

Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote GC888 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 19:03
Originally posted by Brian UK Brian UK wrote:

Assuming you own two torque wrenches of course.


A hammer and cold chisel they work fine on most nuts and bolts with the advantage of being able to bash over the edges to stop them coming undone. If the thread strips no problem use the chisel as a dolly and rivet it over with the hammer.

If you want a top job then an adjustable and a brick work well too, once the head is well rounded mole grips get a much better purchase on the surface.  


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2017 at 19:19
Now don't start leading all these good people astray please. They are bad enough without that.
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2017 at 11:40
Originally posted by GC888 GC888 wrote:

Originally posted by Brian UK Brian UK wrote:

Assuming you own two torque wrenches of course.


A hammer and cold chisel they work fine on most nuts and bolts with the advantage of being able to bash over the edges to stop them coming undone. If the thread strips no problem use the chisel as a dolly and rivet it over with the hammer.

If you want a top job then an adjustable and a brick work well too, once the head is well rounded mole grips get a much better purchase on the surface.  




Mole grips? a 24" pair of Stillsons do a much better job.......
Ian
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2017 at 11:41
Originally posted by GC888 GC888 wrote:

Originally posted by iansoady iansoady wrote:

Originally posted by GC888 GC888 wrote:

On the other hand brakes are not important feature so a good guess will be fine, whats the worst that can happen.... If they fail you can use your gears or drag you feet to slow :-) 
 


......

One advantage of the linked brake system is that I will have adequate stopping power even if one system fails completely......

Very true, very true :-) 

are you just refurbishing one calliper or all 3? 


Just the ones on the linked system - the independent front looks as if it has been done recently. Plus I know it works..........
Ian
1982 V50
1952 Norton ES2
1962 Ariel Arrow
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GC888 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2017 at 17:18

[/QUOTE]

Just the ones on the linked system - the independent front looks as if it has been done recently. Plus I know it works..........
[/QUOTE]

Being sensible for a moment.... 

Did you use a kit to replace the seals and pistons on the callipers or clean up the original front and rear? 

Then if you did which kit did you use/where from, I was lead to believe the rear calliper parts were rare? 

Thanks

G :-)  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2017 at 17:31
As I understand it neither Brembo nor Guzzi will sell the parts now quoting the elves of safety as the reason.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redmunk Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2017 at 18:18
Originally posted by GC888 GC888 wrote:


Originally posted by iansoady iansoady wrote:

Originally posted by GC888 GC888 wrote:

Originally posted by iansoady iansoady wrote:

Originally posted by GC888 GC888 wrote:

On the other hand brakes are not important feature so a good guess will be fine, whats the worst that can happen.... If they fail you can use your gears or drag you feet to slow :-) 
 


......

One advantage of the linked brake system is that I will have adequate stopping power even if one system fails completely......

Very true, very true :-) 

are you just refurbishing one calliper or all 3? 


Just the ones on the linked system - the independent front looks as if it has been done recently. Plus I know it works..........


Being sensible for a moment.... 

Did you use a kit to replace the seals and pistons on the callipers or clean up the original front and rear? 

Then if you did which kit did you use/where from, I was lead to believe the rear calliper parts were rare? 

Thanks

G :-)  
I'm no expert on this, but the Brembo F05 caliper is the same on the front and rear of the V35/V50 apart from the mounting lugs being in a different place. The same rebuild kit from Gutsibits will therefore work for both, I've just done all three of mine; it includes the fluid seal, dust seal, bolts and grease.

Do you have the original chrome plated pistons? If it's peeling, the newer Teflon coated ones are available from eBay every so often, I got mine for about £20 a set.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote GC888 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Dec 2017 at 18:21

[/QUOTE]
I'm no expert on this, but the Brembo F05 caliper is the same on the front and rear of the V35/V50 apart from the mounting lugs being in a different place. The same rebuild kit from Gutsibits will therefore work for both, I've just done all three of mine; it includes the fluid seal, dust seal, bolts and grease.

Do you have the original chrome plated pistons? If it's peeling, the newer Teflon coated ones are available from eBay every so often, I got mine for about £20 a set.


[/QUOTE]

thanks useful info ! 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 23 Dec 2017 at 16:46
+1 for teflon


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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 28 Dec 2017 at 12:15
Sorry for delay in replying.....

Yes, Gutsibits have the rebuild kits which include new bolts, seals (including the O ring) and rubber grease for £16.30 each.

The rear caliper has chrome pistons which are OK - a bit of rust near the open end on one but well away from the seal - the front has the alloy ones.

As said the calipers are essentially identical.
Ian
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