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Adjustable levers material

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SirFallalot
Trackday Trickster



Joined: 25 Oct 2018
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PostPosted: 14:10 - 31 Aug 2021    Post subject: Adjustable levers material Reply with quote

I was looking for some of these for the 96 CB750 as the levers sit a tad too far and I need new ones anyway.

The Bad Dog ones are only available in black on sportbikeshop so I found some on ebay for £24 free return and thought why not...
https://www.ebay.co.uk/itm/124731589524

The lever itself is believability alum, but the bracket is plastic, wondering how much of a problem that is? Haven't fitted them yet so not sure if about fit yet. If that's no good, I'd take recommendations for some branded ones with reasonable price.
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Lexmoto Valiant 125; 94 CB400; 96 CB750F2; 81 CB750 (restoring, lol not gonna happen); 2001 ZX9R(It's about to go :c); 2012 R1200R; 2015 R1200RS


Last edited by SirFallalot on 13:12 - 01 Sep 2021; edited 1 time in total
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Zen Dog
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PostPosted: 15:26 - 31 Aug 2021    Post subject: Re: Adjustable levers material Reply with quote

SirFallalot wrote:
the bracket is plastic


Do you mean the black part of the lever, where the pivot bolt goes through, as shown in the ebay ad? If so, if they're plastic yeah I wouldn't be happy putting those on my bike...
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Current - '94 VFR750FR, '00 VFR800FI Previous - '10 Street Triple R, '92 MZ ETZ301, '05 TTR250, NSR125R, KMX125, "Honda" Win (chinese copy of an old Honda design with a C90 engine)
My bike trip around S.E. Asia 2010/2011
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SirFallalot
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Joined: 25 Oct 2018
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PostPosted: 16:51 - 31 Aug 2021    Post subject: Re: Adjustable levers material Reply with quote

Zen Dog wrote:
SirFallalot wrote:
the bracket is plastic


Do you mean the black part of the lever, where the pivot bolt goes through, as shown in the ebay ad? If so, if they're plastic yeah I wouldn't be happy putting those on my bike...


Yeah the black bit
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Lexmoto Valiant 125; 94 CB400; 96 CB750F2; 81 CB750 (restoring, lol not gonna happen); 2001 ZX9R(It's about to go :c); 2012 R1200R; 2015 R1200RS
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Zen Dog
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PostPosted: 17:00 - 31 Aug 2021    Post subject: Reply with quote

I'd find the prospect of them snapping under hard braking terrifying enough not to put them on myself. Also, surely if the pivot point is plastic, over time you'd expect the hole to wear and eventually cease to be round.

But there are people who feel the same about the all aluminium Chinese ones, and the idea of that doesn't bother me particularly.
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Current - '94 VFR750FR, '00 VFR800FI Previous - '10 Street Triple R, '92 MZ ETZ301, '05 TTR250, NSR125R, KMX125, "Honda" Win (chinese copy of an old Honda design with a C90 engine)
My bike trip around S.E. Asia 2010/2011
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Easy-X
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PostPosted: 10:15 - 01 Sep 2021    Post subject: Reply with quote

If there's a steel insert at the pivot point then a aluminium lever is not so bad. I'd still draw the line at plastic though Shocked
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Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter
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SirFallalot
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Joined: 25 Oct 2018
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PostPosted: 12:46 - 01 Sep 2021    Post subject: Reply with quote

Yeah I'm returning them... Oh well, I still need some levers, where'd you get yours from? I'm looking in standard grey no flashy colours.

Cheers
____________________
Lexmoto Valiant 125; 94 CB400; 96 CB750F2; 81 CB750 (restoring, lol not gonna happen); 2001 ZX9R(It's about to go :c); 2012 R1200R; 2015 R1200RS
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Easy-X
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PostPosted: 12:56 - 01 Sep 2021    Post subject: Reply with quote

If it's a restoration project then Dave Silver's the go-to for Honda bits.

<edit> Ah, but you want adjustable, no idea for old bikes Thinking
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SirFallalot
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Joined: 25 Oct 2018
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PostPosted: 13:02 - 01 Sep 2021    Post subject: Reply with quote

I was going to say "It's not old" but it is 96 Laughing
I'm sure there's other more common bikes with the same shape lever, I'm not sure about what the "shape code" of the clutch lever is though, the ones I bought were H626 but that was wrong, the brake (F18) was correct though.
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Lexmoto Valiant 125; 94 CB400; 96 CB750F2; 81 CB750 (restoring, lol not gonna happen); 2001 ZX9R(It's about to go :c); 2012 R1200R; 2015 R1200RS
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sickpup
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Joined: 21 Apr 2004
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PostPosted: 13:13 - 01 Sep 2021    Post subject: Reply with quote

Are you sure they are plastic as the listing says that part is 7075 anodised Aluminium?
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stevo123
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Joined: 10 Aug 2004
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PostPosted: 13:25 - 01 Sep 2021    Post subject: Reply with quote

100% they are not plastic. You usually need to use the bushing(s) from your own lever. VERY IMPORTANT that after you fit the brake lever that there must be a small amount of free play before the lever touches the master cylinder push rod.
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Zen Dog
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PostPosted: 23:56 - 01 Sep 2021    Post subject: Reply with quote

sickpup wrote:
Are you sure they are plastic as the listing says that part is 7075 anodised Aluminium?


I have no idea if they're actually plastic, I've assumed OP would know if he's actually holding them in his hands.

But the listing says a lot of things. They are not all actual words in English, but it does say them. It says - "Machined CNC Billt 6061 T6 Aluminum" and "7075 Type 3 Black Anodized Cam Block For Improved Longvity" and on one of the pictures it says "6063 Type 6 Black Anodized Cam" with an arrow pointing near the tip of the lever (which is blue).

So they may or may not be plastic, but I think some caution is justified when making claims about the materials based on the listing. The seller may, and this is just a hunch, have no fucking clue.
____________________
Current - '94 VFR750FR, '00 VFR800FI Previous - '10 Street Triple R, '92 MZ ETZ301, '05 TTR250, NSR125R, KMX125, "Honda" Win (chinese copy of an old Honda design with a C90 engine)
My bike trip around S.E. Asia 2010/2011
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MCN
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PostPosted: 10:27 - 02 Sep 2021    Post subject: Reply with quote

Zen Dog wrote:
sickpup wrote:
Are you sure they are plastic as the listing says that part is 7075 anodised Aluminium?


I have no idea if they're actually plastic, I've assumed OP would know if he's actually holding them in his hands.

But the listing says a lot of things. They are not all actual words in English, but it does say them. It says - "Machined CNC Billt 6061 T6 Aluminum" and "7075 Type 3 Black Anodized Cam Block For Improved Longvity" and on one of the pictures it says "6063 Type 6 Black Anodized Cam" with an arrow pointing near the tip of the lever (which is blue).


So they may or may not be plastic, but I think some caution is justified when making claims about the materials based on the listing. The seller may, and this is just a hunch, have no fucking clue.



Likewise the buyer.

Caveat Venditor. Laughing
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.
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SirFallalot
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PostPosted: 22:42 - 02 Sep 2021    Post subject: Reply with quote

MCN wrote:

Likewise the buyer.

Caveat Venditor. Laughing


Trololol I cannot disagree. Heck I don't know much about metallurgy or plastic science, if it doesn't go ding I assume it's derived from crude oil.

It's definitely not cheap plastic per say...but never seen aluminium like it...I could be wrong? It does looks it has the machining marks, but I've also seen plastic that looks like it. How about....if it melts, it's plastic, if it doesn't, it's metal. Think I'll try that.
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Lexmoto Valiant 125; 94 CB400; 96 CB750F2; 81 CB750 (restoring, lol not gonna happen); 2001 ZX9R(It's about to go :c); 2012 R1200R; 2015 R1200RS
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jeffyjeff
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PostPosted: 06:19 - 03 Sep 2021    Post subject: Reply with quote

SirFallalot wrote:
It's definitely not cheap plastic per say...but never seen aluminium like it...I could be wrong? It does looks it has the machining marks, but I've also seen plastic that looks like it. How about....if it melts, it's plastic, if it doesn't, it's metal. Think I'll try that.

There you go. Subject it to destructive testing before you return it. Under reason for return write "didn't pass the test." Wink
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MCN
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PostPosted: 08:14 - 03 Sep 2021    Post subject: Reply with quote

SirFallalot wrote:
MCN wrote:

Likewise the buyer.

Caveat Venditor. Laughing


Trololol I cannot disagree. Heck I don't know much about metallurgy or plastic science, if it doesn't go ding I assume it's derived from crude oil.

It's definitely not cheap plastic per say...but never seen aluminium like it...I could be wrong? It does looks it has the machining marks, but I've also seen plastic that looks like it. How about....if it melts, it's plastic, if it doesn't, it's metal. Think I'll try that.


Basic metallurgy testing requires that a small sample of the material be taken (by scraping the test piece, using a hardened blade or using a small drill bit)
The sample can then be tested by various mechanical, chemical applications or by reflective x-ray analysis for the given theoretical value. (The reflected angle equal to incident angle of permutated fluorescence.)
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.
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sickpup
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PostPosted: 09:07 - 03 Sep 2021    Post subject: Reply with quote

Taste it, does it taste like Aluminium or plastic?

Is it cold to the touch, if so probably metal?

Can you cut it with a knife, if not probably metal?
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SirFallalot
Trackday Trickster



Joined: 25 Oct 2018
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PostPosted: 01:01 - 13 Sep 2021    Post subject: Reply with quote

Well it won't melt so it's not plastic, my bad Confused

The seller didn't want it back, said to destroy them and send a pic for a refund, so I dismantled them, took a pic, and but them back together Laughing I guess they must be v cheap to make, why else would you do "returns accepted, seller pays postage" and then ask to buyer to destroy...

Anyway since the clutch lever doesn't fit I tried subjecting it to destructive testing...I couldn't break anything so I just tightened the loose bolts on the brake one and put it on the bike, works fine, now need to find the right clutch one...
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Lexmoto Valiant 125; 94 CB400; 96 CB750F2; 81 CB750 (restoring, lol not gonna happen); 2001 ZX9R(It's about to go :c); 2012 R1200R; 2015 R1200RS
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