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Tc Max front brake pulsing  


LHK
Posts: 12
 LHK
(@lhk)
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Joined: 2 months ago

Anyone experiencing front brake pulsing on their Tc max? The pulsing can’t be felt through the brake lever itself but the whole bike pulses to a stop. Mainly noticeable a slow speeds to a stop. Been told it’s normal for a Tc max but I have my doubts.

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mrj
Posts: 47
 mrj
(@mrj)
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Joined: 9 months ago

No, pulsing brakes are not normal on any motorbike.

Probably a warped front disc. Maybe the back disc.

Can you get either wheel off the ground and spin it? See if you can see the edge of the brake disc wobbling. I haven't looked, but I should think replacements would be cheap.

My front brake is very slightly pulsing because I've been trying to get better feel out of the brakes by braking hard to bed the pads in. It didn't work. So I've just put the new EBC pads on, but haven't done many miles due to UK lockdown. If that doesn't improve things I will change the front disc too.

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LHK
 LHK
(@lhk)
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Posts: 12

@mrj thanks for your reply. The pulsing had been getting progressively worse and can now feel it through the front brake lever. When lifting the bike as you mention, you can hear the front disc now unevenly rubbing. So a new disc is being replaced under warranty which is good. Hopefully that should resolved the problem.

I am uk based too, where did you pick up the ebc pads from?

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mrj
 mrj
(@mrj)
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@lhk Pads from Wemoto. After @ghampi told us the part number, I had to ask them for the specific part because they were too recent to be listed under the model. They don't list SuperSoco. They were very helpful. Good people.

I couldn't get them direct on EBC's own webshop. They listed them but when you tried to put them in the basket it kept failing. Might be fixed now. If they have stock 🙂

If my disc gets too bad I'll measure up and try to find an EBC one that matches. I have EBC discs on my petrol bikes. Definitely better than the rubbish on the Soco!

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LHK
 LHK
(@lhk)
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Posts: 12

@mrj I have used Wemoto before. Is that the SFA709 ebc pad your talking about?

il let you know how I get on with the new disc but an upgrade disc may well be the best final solution. Would be great if EBC had a compatible one

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mrj
 mrj
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@lhk Yes EBC SFA709HH. Still not on their website but if you contact them and ask for the specific part they should be able to help.
Any good local bike shop that can get EBC parts should also be able to help.

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Howlerin
(@howlerin)
Joined: 2 months ago

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Posted by: @mrj

@lhk Yes EBC SFA709HH. Still not on their website but if you contact them and ask for the specific part they should be able to help.
Any good local bike shop that can get EBC parts should also be able to help.

They are showing up on their site for me, I even ordered a pack last week and they just came today.

https://ebcbrakesdirect.com/motorcycle/partno/sfa709hh

 

Unless I made a huge mistake which I can't see right now, haha.

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LHK
 LHK
(@lhk)
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@howlerin thanks, had a look and they are showing in stock. Just ordered a set.

Let us know how you get on with the upgrade once you have fitted them. Guessing your running stock disc atm too?

 

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Howlerin
(@howlerin)
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@lhk

I am running stock disc but I just got a disk upgrade via taobao, it's supposed to come in on Monday so I will wait to change both at once so I don't do the work twice.

Will come back with impressions.

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mrj
 mrj
(@mrj)
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@howlerin I meant not on Wemoto's website.
When I got mine (a month ago?) on the EBC direct website you could see them but I couldn't get them to stay in the basket. Probably because they were so new. Glad you can get them now. Go steady though. Now you will have real brakes, not pretend ones!

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LHK
 LHK
(@lhk)
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Posts: 12

@mrj, @howlerin 

Thanks for your replies. Hopefully these new pads will improve things. To be honest the oem  seem pretty good in the dry but out in the wet recently they aren’t all that great.

New pads and new disc I should hopefully be stopping on a dime.

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TCMaximillian
Posts: 25
(@tcmaximillian)
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Joined: 1 year ago

Hi LHK, I have always had exactly the same problem on my TC Max (about a year old). I took it back to the dealer who said it was caused by the motor fighting against the bike as you slow down due to it being directly connected. I'd be interested to hear if your new rotor fixes the problem because at first I was sure it was a warped disc.

To be honest, the TC Max rust problems are so severe that my front brake started binding badly after 6 months. I'm waiting for a replacement caliper under warranty. I've never known a bike rust as badly as the TC Max - the frame, the brakes, the wheels, the weld joints. It's pretty bad quality.

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LHK
Posts: 12
 LHK
(@lhk)
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Joined: 2 months ago

Hi @tcmaximillian, Il let you know how I get on. It’s definitely a bit disconcerting in a quick stop, and even more so when wet. 
Can’t see how the dealer thinks it’s because of the direct motor coupling. If so then every electric vehicle would have that problem. I can feel it more and more through the lever now so for sure has the be something warped/not straight. Hoping the wheel lugs where the disc attaches are straight, il hopefully check that when the disc is swapped.

 

I own a harley too so feel your pain with rust issues. I coat weld joints and everything Rust worthy with XCP rust blocker. I plan on using year round so hopefully it will keep off as much rusting as possible. Could be worth investing in some.

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LHK
 LHK
(@lhk)
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Posts: 12

@tcmaximillian, @mrj, @howlerin

Good news, new brake disc and ebc pads fitted and all pulsing has gone. I had to spend some time truing the mating face of where the disc attaches to the hub, had one lug in particular slightly longer than the others which I think was probably the original fault and caused the first disc to become warped. Either way new ebc pads work a treat and braking is very good. Not tried in the wet yet but think the better pads should improve braking over the original. 

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