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Front brake problem.

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Old May 26, 2007 | 04:05 PM
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Default Front brake problem.

Alright....new poster here...

Just bought a 2000 model 1200S...15,000 miles on the clock.The guy i bought it from put it in the garage for the winter,and i don't think it's been rode since.It's pretty hard to push around,and after going for a ride on it i checked the temperatures of the discs,the front right is to to hot to touch for long..suspect the piston is sticking.....whats the quickest and cheapest way to fix this?........cheers.
 
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Old May 26, 2007 | 04:07 PM
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Default RE: Front brake problem.

t should be too hot to touch. The stock pads drag on the disc and this causes the disc to get extremely hot not to mention actually using the brakes as well. Don't touch the disc right after a ride...
 
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Old May 26, 2007 | 04:21 PM
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Default RE: Front brake problem.

Yes, it gets pretty hot.
2 possibilities imo if you just pulled it out from storage.
1. Sticky calipers due to long winter storage, check the sliders, if they are seized, you can clean them and apply brake lube. If you caliper piston is seized, another story.
2. Corrosion on the brake disc, it takes some time to clean it off, ride it for a bit, if it doesn't work, use sandpaper to clean the surface.
 
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Old May 26, 2007 | 04:35 PM
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Default RE: Front brake problem.

Yeah...should have said it's a twin disc front end and it's only the right thats steaming hot....the left is the same temp. as the rear......guess I'll have to take the caliper off and have a look.Have seen on another site about popping the piston out a bit and putting some brake oil around the piston,but in my experience you have a lot of trouble getting it back in position and end up bleeding the system.......good job the weather here in England ain't that good.
 
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Old May 26, 2007 | 05:47 PM
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Default RE: Front brake problem.

I just first give it a really good spray with brake cleaner. I bet the sliders just need cleaning. Brake cleaner should take care of that.

As far as your concern about getting the caliper back into position, as long as you remove the brake fluid cover, you can compress the brake calipers pretty easily on these bikes. Just use your hands and push the caliper toward the hub against the disk. Not difficult at all to compress.
 
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Old May 26, 2007 | 05:58 PM
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Default RE: Front brake problem.

Or a big pair of water pump pliers, squeeze it! Watch the brake fluid coming up from your reservior, don't let it spill on the paint.
 
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Old May 26, 2007 | 06:00 PM
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Default RE: Front brake problem.

No worries with the brake fluid. His bike has DOT 5. It does not harm the paint.
 
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Old May 26, 2007 | 06:07 PM
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Default RE: Front brake problem.

Thanks for the input lads....I'll look into it....but as it's my first Harley and only had it a week (and what a week..i love riding the damn thing) I'm still feeling my way around it,and wanted to ride it more rather than work on it....but I've still got my pre-unit Triton as back up.........great site you've got here btw....will be a regular reader.....and probably poster when i need advice about the Harley........cheers mates[sm=usa.gif]
 
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Old Jun 2, 2007 | 04:33 PM
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Default RE: Front brake problem.

Well had a look at that right calliper today,as soon as I slackened off the mounting bolts the calliper started moving away from the fork leg....hhmmmm?..tightened them again and I could see it was pulling the disc with it!
This bike has had the mag wheels replaced with alloy rims and stainless steel spokes.Only thing i can think is that it hasn't been dished right(but why it's not affecting the left calliper...i don't know....although there are some wear marks on the inside of that calliper where the spokes have caught it sometime in the past).
The pads and pistons in the right calliper seem fine,so all i could do was space the calliper away from the leg with a stainless washer on each bolt(not ideal,but the only other option i can see is space the disc away from the hub).Well it worked,i can push it around freely without almost ripping the handlebars off[:@].Went to test ride it,wheeled it onto the road,and the battery was flat!.......start of another post!!
 
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Old Jun 2, 2007 | 11:54 PM
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Default RE: Front brake problem.

Thats a great and rare Sporty you have there. Only a handful of them are owned on the forum. Congrats on the bike and best of luck with it. One of the other 1200S owners lives on your side of the pond. Check out this thread for other owners. https://www.hdforums.com/m_1438939/m...tm.htm#1458450
 
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