[Shamone]

I'm steadily running the bike in so not braking hard, but had to stop quickly and thought the front brake was pretty poor compared to my other bikes including a 10 year old CBF500.

If I set the adjuster to 4 I can push the lever back to the grip with one finger. I never got a test ride so could someone check theirs to compare?

Video below;
http://youtu.be/g7tANx9sFpM


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[mitra]

I have mine on 3, but checked it on 4 and does not go all that way in. It's not far off but not all the way in. Are you sure it's in the 4 grove properly?

 

[albie]

I'm steadily running the bike in so not braking hard, but had to stop quickly and thought the front brake was pretty poor compared to my other bikes including a 10 year old CBF500.

If I set the adjuster to 4 I can push the lever back to the grip with one finger. I never got a test ride so could someone check theirs to compare?

Video below;
http://youtu.be/g7tANx9sFpM


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Sent from my iPhone using Tapatalk

No take it back to dealer or rephrase that make them pick it up or at least phone them 1st thing. Don't ride that like that. Air in that there brake I think.

 

[albie]

STOP don't ride it mate. Mines on 3 and good and 2 and 1 and 4 its hard too and over an 1" before the handlebar grip.

 

[Shamone]

Thanks for your help. Must be air in the system. A little annoying that it was like this when I collected it, but I just didn't realise.


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[albie]

There's a couple of things you could check.
Check if any fluid in reservoir. Yes/No
No then leave it
Yes then can you pump it to gain any pressure stiffness.


No then leave it
Yes it could need bleeding or a stuck seal but they need to replace and fix.


Teething problem but annoying.:crying:

 

[Shamone]

There's a couple of things you could check.
Check if any fluid in reservoir. Yes/No
No then leave it
Yes then can you pump it to gain any pressure stiffness.


No then leave it
Yes it could need bleeding or a stuck seal but they need to replace and fix.


Teething problem but annoying.:crying:

Yes to the fluid.
It's looks like just air because if I put the adjuster back on 1 it's ok but just a bit spongey.
I've noticed a small silver screw built into the lever itself but can't see anything in the manual about adjusting it.


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[albie]

Yes to the fluid.
It's looks like just air because if I put the adjuster back on 1 it's ok but just a bit spongey.
I've noticed a small silver screw built into the lever itself but can't see anything in the manual about adjusting it.


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I don't like giving advise on brakes in case someone gets hurts but if you have some pressure try this overnight but promise me you will ride or get it collected to dealer straight away. I use this to bleed a ducati clutch as they are a cow son to do at times. Overnight after you pressurise the lever pumping it to get some stiffness wrap a cable tie and any air should push out over the hours. It may help you to ride but it still worries me why yours is bad.

 

[Derek]

WARNING! Don't adjust the screw on the lever. If you screw it in too far the piston won't fully retract blocking the bleed hole to the reservoir. This will keep the system pressurised and cause the brake to lock up

 

[Shamone]

Thanks for the heads up Derek


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[Shamone]

Ok I've bled the brake and they've improved. Now about 2cm from the grip under firm pressure. I certainly can't push it back to the grip with my thumb as in the video.

I think they are good enough to leave until the first service, where they may say it's normal.

I'll leave it sat with the lever cable tied in case that improved things.

Looking at how the hose loops up at the bars, the master cylinder is lower than this loop. Wondering about taking the master cylinder off the bars to get it


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[stavely]

Yep, taking off Master cylinder getting it high and tapping the pipe and wobbling it will get trapped air to flow up into the master and improve the feel.
This is common practice on dirt bikes which have very long travel suspension and hence a big loop of hose to cope with that.
The cable tie trick also works, by compressing the air bubbles and making them very small so they release from the hose walls and float up easier but it won't get all the air trapped in the loop of course.

 

[Shamone]

Update after bleeding again after leaving cable tied overnight. I think this is fully sorted
http://youtu.be/Zc74WAFBz1M


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[DenverDuc]

Are you far from the dealer? I would take it back to them asap and not wait to the first service to have them look at it. Brakes are one of the most major components of a safely working bike, and yours is brand spankin new so they should fix it before you get into a compromising situation.

 

[chilira]

Good read gang. Glad it worked itself out. Helpful for those of us who are expecting to receive (collect) our Scramblers in the next 30 days or so.

-m