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Latest discussions at Pit Bike Club: - New to supermoto minis
Hi Guys, thanks for letting me join the forum.
Both my son and I race motocross but due to the non stop rain here in... - Remaining Handle Anthony Castonzo Known as PFF Hig...
In accordance in the direction of Professional Soccer Awareness, Indianapolis Colts starting off still left handle... - Carb Tuning
Hi all,
I have a cw140 here and I'm noticing that it hisses too much on kickstart, and also pops and bangs on...
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22-04-2015, 07:20 PM
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#1
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Training
Join Date: Jan 2012
Age: 33
Posts: 159
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HELP!!! Front brake issue NOW!!!!
Hi guys,
I have managed to get the front super-wide 2.75 mag spaced correctly but now have an issue with my brake. If i loosen the caliper bolts the brembo works perfect how it should but once I tighten the two caliper bolts the brake goes spongy and doesn't work correctly. Might be worth mentioning that I had to grind back the fork lugs a little that hold the caliper in place. Going crazy with this now lol.
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22-04-2015, 07:57 PM
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#2
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Senior
Join Date: Apr 2013
Location: durham
Posts: 976
Bike: Rfz 140
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Re: HELP!!! Front brake issue NOW!!!!
Did you take the brake pipes off?
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22-04-2015, 08:05 PM
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#3
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Training
Join Date: Jan 2012
Age: 33
Posts: 159
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Re: HELP!!! Front brake issue NOW!!!!
No mate, as soon as you slightly loosen the caliper bolts the brake works perfect and no spongy feeling, it seems like its an alignment issue cause once you tighten the two bolts the wheel doesn't freely move, it becomes stiff and the brake is crap
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22-04-2015, 08:18 PM
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#4
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Wheelie King
Join Date: Mar 2014
Location: nottingham
Age: 35
Posts: 2,789
Bike: klx 110 mod
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Re: HELP!!! Front brake issue NOW!!!!
it'll be the pads pulling the disc over, so it isn't aligned quite right
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22-04-2015, 08:28 PM
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#5
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Training
Join Date: Jan 2012
Age: 33
Posts: 159
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Re: HELP!!! Front brake issue NOW!!!!
Yeah thats what it is mate, but all day I've tried washers in different places and not been able to align it for some reason.
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23-04-2015, 07:45 AM
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#6
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Novice
Join Date: Apr 2012
Posts: 15
Bike: nothing yet
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Re: HELP!!! Front brake issue NOW!!!!
how dod you take off the brake lugs? was this done with a grinder? it might not be perendictlar to the axle so when its loose its ok but when tightened it forces the caliper over on an angle? In the mountain bikeing world this is done with a 'facing tool' (Google - Hope Disc Brake Facing tool) which attaches to the axle and ensures the brake mounting lugs are parallel.
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23-04-2015, 07:48 AM
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#7
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Novice
Join Date: Apr 2012
Posts: 15
Bike: nothing yet
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Re: HELP!!! Front brake issue NOW!!!!
Parallel & Perpendicular
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23-04-2015, 02:08 PM
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#8
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Training
Join Date: Jan 2012
Age: 33
Posts: 159
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Re: HELP!!! Front brake issue NOW!!!!
Your spot on mate that's the problem, any idea on how I can rectify this. I've also personal messaged you too.
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23-04-2015, 03:14 PM
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#9
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Novice
Join Date: Apr 2012
Posts: 15
Bike: nothing yet
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Re: HELP!!! Front brake issue NOW!!!!
I was thinking about this over lunch (I thought I might write it here & open it up to the wider group).
This might sound a bit Heath Robinson (some of you older riders probably know what I mean) but if it was me I would stick sandpaper directly onto a disc with carpet tape (super sticky double sided tape) rough side out and use the wheel to 'face' the surface of the mounting. problem is I don't know (until I get home & look) if the fork leg will get in the way (or if the lugs are in bound of the fork leg), you may need to space it out from the disc, either way the wheel offers the best way of getting those lugs right (cheaply).
hope that helps
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23-04-2015, 03:34 PM
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#10
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Training
Join Date: Jan 2012
Age: 33
Posts: 159
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Re: HELP!!! Front brake issue NOW!!!!
Yeah the fork leg will be in the way, I'm trying to space its correctly now with spacers but no luck, its driving me insane now I regret grinding them lol
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