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SV650.org - SV650 & Gladius 650 Forum (http://forums.sv650.org/index.php)

- SV Talk, Tuning & Tweaking (http://forums.sv650.org/forumdisplay.php?f=111)

- - Warped Disc :( (http://forums.sv650.org/showthread.php?t=160113)

yorkie_chris

25-11-10 10:21 PM

Re: Warped Disc :(

Classic sign is when the lever is rock solid at standstill but goes slightly squishy when you are moving. Or pulsing in the lever.

Shuddering when braking also.

Warped discs will cause first symptoms, some other things as well as discs may cause second... like pad spring being wrong behind caliper.

If in doubt measure the discs. If they feel fine when riding they probably are. Badly warped discs are f'in terrifying!

zadar

26-11-10 02:12 AM

Re: Warped Disc :(

Quote:

Originally Posted by DavieSV (Post 2429657)

Warped disc may not give a 'pulsing' feel.

they may take a longer first pull on the lever to bring the pads back in, the second pull will be much shorter.

The wobbly disc will push the pistons further away so they will have to travel more to apply the same pressure

Warped is usually referred to disc that has bad surface, dips from heat and wear. This will give you pulsing in lever or vibration.
Everything else is bent rotor which does what you say, inconsistent lever travel.

punyXpress

26-11-10 10:40 AM

Re: Warped Disc :(

Quote:

Originally Posted by DavieSV (Post 2429657)

Warped disc may not give a 'pulsing' feel.

they may take a longer first pull on the lever to bring the pads back in, the second pull will be much shorter.

The wobbly disc will push the pistons further away so they will have to travel more to apply the same pressure

. . .
. . . as will slack wheel bearings.

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