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post #1 of 9 Old 04-01-2014, 4:17 PM Thread Starter
 
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98 Front rotor direction

Sorry if this question has been asked before but can't find a post specific to the 98/99 Blade.

I have (again! ) a warped front disc. I had them apart last year, changed the seals but the same side (R/H) has gone again... I ride through the winter which can potentially account for it, however this year was mild. To say I'm miffed would be an understatement!

Anyway, from my last occurrence I have a spare L/H disc but I have read mixed responses to swapping rotas. They are OEM and do have a direction arrow. Only difference I can see is the vent holes have a slightly different pattern.

If they were slotted discs I would be quite wary of swapping them around as it could cause the pad to shave adversely, however this is not the case and I am chomping at the bit to use this L/H one I have. I will of course be replacing the caliper seals.

Should I?
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post #2 of 9 Old 04-01-2014, 6:13 PM
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Re: 98 Front rotor direction

Quote:
Originally Posted by SpankyBlade View Post
Sorry if this question has been asked before but can't find a post specific to the 98/99 Blade.

I have (again! ) a warped front disc. I had them apart last year, changed the seals but the same side (R/H) has gone again... I ride through the winter which can potentially account for it, however this year was mild. To say I'm miffed would be an understatement!

Anyway, from my last occurrence I have a spare L/H disc but I have read mixed responses to swapping rotas. They are OEM and do have a direction arrow. Only difference I can see is the vent holes have a slightly different pattern.

If they were slotted discs I would be quite wary of swapping them around as it could cause the pad to shave adversely, however this is not the case and I am chomping at the bit to use this L/H one I have. I will of course be replacing the caliper seals.

Should I?

Doesn't matter which side they're on.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #3 of 9 Old 04-02-2014, 4:09 PM Thread Starter
 
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Re: 98 Front rotor direction

Thanks, thats what I thought.

Always nice to get a second opinion.
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post #4 of 9 Old 04-02-2014, 5:05 PM
 
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Re: 98 Front rotor direction

I asked this question earlier:

https://www.fireblades.org/forums/gen...direction.html

By the way what has replacing the caliper seals got to do with it??
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post #5 of 9 Old 04-02-2014, 10:28 PM
 
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Re: 98 Front rotor direction

Quote:
Originally Posted by Prunty View Post
I asked this question earlier:

https://www.fireblades.org/forums/gen...direction.html

By the way what has replacing the caliper seals got to do with it??
The pistons can get "stuck" and not return. Happening on the right front of my car right now, left pads are less than 1/2 worn, right outside is the same, right inside is worn out. Another project for the weekend...

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post #6 of 9 Old 04-03-2014, 4:16 AM
 
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Re: 98 Front rotor direction

Aahhhh. That makes sense, although there could be a lot more reasons why a piston would be stuck other than just a seal...
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post #7 of 9 Old 04-03-2014, 5:00 AM
 
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Re: 98 Front rotor direction

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Originally Posted by Prunty View Post
Aahhhh. That makes sense, although there could be a lot more reasons why a piston would be stuck other than just a seal...
True, but you got to take it apart to find out, in which case you're gonna need to replace the o-ring anyway. If I take one apart it gets the whole treatment, a good cleaning, polish up the piston and bore, give it a good inspection and a new seal.

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post #8 of 9 Old 04-03-2014, 5:18 AM Thread Starter
 
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Re: 98 Front rotor direction

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Originally Posted by fj1200rj View Post
True, but you got to take it apart to find out, in which case you're gonna need to replace the o-ring anyway. If I take one apart it gets the whole treatment, a good cleaning, polish up the piston and bore, give it a good inspection and a new seal.
Yes your assumption is correct. The right-hand pads are binding on the disc, thus causing it to warp.
Why this has happened twice to the same side is cause for concern but I did have some issues with some of the seals when I replaced them last. So I'm going to have that side apart, clean it up and put it back together with the new seals and plenty of tlc (plus red grease)
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post #9 of 9 Old 04-03-2014, 1:42 PM
 
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Re: 98 Front rotor direction

Quote:
Originally Posted by SpankyBlade View Post
Yes your assumption is correct. The right-hand pads are binding on the disc, thus causing it to warp.
Why this has happened twice to the same side is cause for concern but I did have some issues with some of the seals when I replaced them last. So I'm going to have that side apart, clean it up and put it back together with the new seals and plenty of tlc (plus red grease)
I was actually responding to Prunty's question, but good luck with it. Let us know what you find.

"You live more for 5 minutes going fast on a bike than other people do in all their life"-Marco Simoncelli
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