accidentally hit the brake lever when calipers are removed

Any questions and problems about your motorbike? Ask other members for help and advice.
potatobroxd
Posts: 106
Joined: Sat Oct 07, 2017 11:36 pm
Bike(s): Kawasaki Vulcan 650s '19; CB125F '16
Location: Reading
Has liked: 56 times
Been liked: 19 times

accidentally hit the brake lever when calipers are removed

Post by potatobroxd » Wed Mar 25, 2020 7:32 pm

Yep it happened, i was removing my front wheel when i accidentally hit my head on the brake lever when standin up. Now the brakes wont fit the disc and im not sure what to do next, please send help :scratch:



Up to 25% off insurance Click here for more info

Richzx6r
Posts: 2553
Joined: Thu Feb 07, 2019 11:28 am
Gender: Male
Bike(s): Kawasaki zx6r j1 and a1p 636
Location: Sunderland
Has liked: 2185 times
Been liked: 760 times

Re: accidentally hit the brake lever when calipers are removed

Post by Richzx6r » Wed Mar 25, 2020 7:37 pm

If you were close by I'd have lent you my tool for spreading motorcycle caliper pistons, only way would be use a longish spanner between the pads but try not to damage the pad surfaces
Its better when its loaded

User avatar
Bender
Subscriber
Posts: 3789
Joined: Fri Apr 21, 2017 6:22 pm
Gender: Male
Has liked: 1186 times
Been liked: 1818 times

Re: accidentally hit the brake lever when calipers are removed

Post by Bender » Wed Mar 25, 2020 7:40 pm

Release reservoir cap cover, push pistons back in with g clamp

Make sure you don't pop one out completely
Bite my shiny, metal ass!

gogs01
Posts: 283
Joined: Sun Sep 30, 2018 5:12 pm
Bike(s): R1200RT
Location: Tayside
Has liked: 101 times
Been liked: 119 times

Re: accidentally hit the brake lever when calipers are removed

Post by gogs01 » Wed Mar 25, 2020 7:53 pm

First try pushing the pistons back with your fingers. You need to push both at the same time if you have opposing pistons. If you're lucky, they'll slide right back in. If they're a little stiff and you don't have the correct spreader, a suitably sized piece of wood will help lever them back in without causing any damage.

potatobroxd
Posts: 106
Joined: Sat Oct 07, 2017 11:36 pm
Bike(s): Kawasaki Vulcan 650s '19; CB125F '16
Location: Reading
Has liked: 56 times
Been liked: 19 times

Re: accidentally hit the brake lever when calipers are removed

Post by potatobroxd » Wed Mar 25, 2020 8:34 pm

I'm still a novice with diy maintenance, by the pistons do you guys mean the part i circled with yellow stains on? And i should remove the pads as well i believe?
You do not have the required permissions to view the files attached to this post.

User avatar
Bender
Subscriber
Posts: 3789
Joined: Fri Apr 21, 2017 6:22 pm
Gender: Male
Has liked: 1186 times
Been liked: 1818 times

Re: accidentally hit the brake lever when calipers are removed

Post by Bender » Wed Mar 25, 2020 8:37 pm

Yup, remove pads and see if you can move them
Bite my shiny, metal ass!

User avatar
fullscreenaging
Posts: 2355
Joined: Thu Jul 30, 2009 6:46 pm
Gender: Male
Bike(s): Versys 1000 GT
Location: N.E. Lincolnshire
Has liked: 109 times
Been liked: 173 times

Re: accidentally hit the brake lever when calipers are removed

Post by fullscreenaging » Wed Mar 25, 2020 8:38 pm

Yes. Remove pads and push pistons back.
Once you’ve put the wheel back on make sure you pump the brake lever to push the pads back onto the disc
What the whole world farted at once?

fastbob
Posts: 6578
Joined: Sat Sep 03, 2016 1:42 pm
Gender: Male
Bike(s): Harley Davidson 1200 Roadster and er5
Location: Coventry
Has liked: 3297 times
Been liked: 3134 times

Re: accidentally hit the brake lever when calipers are removed

Post by fastbob » Wed Mar 25, 2020 11:52 pm

potatobroxd wrote:
Wed Mar 25, 2020 8:34 pm
I'm still a novice with diy maintenance, by the pistons do you guys mean the part i circled with yellow stains on? And i should remove the pads as well i believe?
The part with the yellow stains ( Rust ) should be gleaming silver before you push it back in . One way to push the pistons back in is to stick the old pads back in and just widen the gap with a tyre lever or a big screwdriver . Dosen't matter if you damage the old ones .

potatobroxd
Posts: 106
Joined: Sat Oct 07, 2017 11:36 pm
Bike(s): Kawasaki Vulcan 650s '19; CB125F '16
Location: Reading
Has liked: 56 times
Been liked: 19 times

Re: accidentally hit the brake lever when calipers are removed

Post by potatobroxd » Thu Mar 26, 2020 5:00 pm

I managed to push back the pistons today but when i put everything back together the front brakes drag? I torqued everthing back together before pressing the brakes, did i do something wrong?

User avatar
Mississippi Bullfrog
Subscriber
Posts: 2676
Joined: Sat Oct 29, 2016 7:07 pm
Gender: Male
Bike(s): Honda CBF500 ABS Triumph Bobber
Location: Near Oulton Park
Has liked: 612 times
Been liked: 1746 times

Re: accidentally hit the brake lever when calipers are removed

Post by Mississippi Bullfrog » Thu Mar 26, 2020 5:20 pm

It's not unusual for discs to drag slightly when first replaced. So long as the wheel spins under moderate hand pressure it's ok. Obviously if it's really stiff to turn the brakes are binding.
Honda CBF500 ABS
Triumph Bobber

User avatar
Bender
Subscriber
Posts: 3789
Joined: Fri Apr 21, 2017 6:22 pm
Gender: Male
Has liked: 1186 times
Been liked: 1818 times

Re: accidentally hit the brake lever when calipers are removed

Post by Bender » Thu Mar 26, 2020 5:44 pm

Could be piston sticking too, give it a ride, see if it improves.
Bite my shiny, metal ass!

User avatar
learningtofly
Subscriber
Posts: 968
Joined: Thu Aug 23, 2018 9:13 pm
Gender: Male
Bike(s): 2016 BMW R9T
Location: North London/Herts
Has liked: 402 times
Been liked: 463 times

Re: accidentally hit the brake lever when calipers are removed

Post by learningtofly » Mon Mar 30, 2020 8:30 am

Just to say... great forum for advice, etc. :thumb:

Return to “Pitstop”

Who is online

Users browsing this forum: CommonCrawl [Bot], Google [Bot] and 3 guests