How to adjust rear brake cable - Suzuki ATV Forum
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post #1 of 10 Old 05-25-2011, 05:42 PM Thread Starter
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How to adjust rear brake cable

I googled and searched and I can not find how to adjust the rear brake cable on my 85 quadrunner.

It looks like the cable keeps slipping at the lever. It seems like it is not attached or something. There are two slotted adjusting nuts but the cable pulls through them (free)

Does someone have a picture or video of what this should look like?

Thanks
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post #2 of 10 Old 10-06-2012, 11:32 PM Thread Starter
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Nothing?

It has been a year, shows how often I drive my quad haha.

Anyway it is an 85 LT250.

How do i adjust the rear brakes?
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post #3 of 10 Old 10-07-2012, 07:14 AM
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Is it an '85 LT 250 F model, specifically?

I looked up a parts diagram for that year and see that it is a hydraulic brake caliper, meaning there is no adjustment as it engages by hydraulic pressure.

However it appears to have a parking brake that is activated by a mechanical cable. I just "rebuilt" the parking brake assembly on my '92 LT230E that looks exactly like yours, so if the diagram below resembles yours, I can help walk you through fixing yours if you need it.

Click the image to open in full size.
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post #4 of 10 Old 10-07-2012, 08:28 AM Thread Starter
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No mine is not hydraulic

it looks like this

Click the image to open in full size.

Mine has the foot pedal with a rod going back to the adjustable lever AND and hand brake with a cable that also goes back to the same lever. The adustable lever is on the brake assy.
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post #5 of 10 Old 10-07-2012, 08:57 AM
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ok mine looks like that too
you need a pic of how to connect it or what do you need? i have a lt250ef.

lt250EF new fuel pump upgraded to honda pump, painted greeen and black, runs like a boss.

The more you sweat in training the less blood on the battle feild.

The only easy day was yesterday!!
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post #6 of 10 Old 10-07-2012, 09:37 AM Thread Starter
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How to adjust it. I tried, and it seems like the brakes are always on, or nothing. The brake pads inside are brand new.

It appears very simple.
- I elevated back wheels and put it in neutral so tires spin free
- screw in the adjusting nut until just before there is tension. That way when I pull on hand lever it should engage the brakes.
- but it seems like the brakes are either all or nothing ???

Secondly the adjusting nut turns freely on the cable until about 1/3 of the threads are covered. Then it is real tight and turning the nut spins the entire cable. The cable is brand new too. I am thinking I may need to tap the nut out?

Thanks
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post #7 of 10 Old 10-07-2012, 10:10 AM
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If you bought it with worn brake shoes, there's a chance that the PO had taken the actuating arm off the rear hub and retarded it a few splines on the shaft to put extra tension on the shoes to open them more and increase contact with the hub.

Check to make sure you have enough travel at the hub lever to allow some free play adjustment, then take all the slack out of all the adjusters to install the cable, then adjust the cable accordingly.

If you have a tap and die set, chase the threads on both the perch and adjusting bolt to make sure they function properly.

Good luck with it.
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post #8 of 10 Old 10-07-2012, 11:06 AM Thread Starter
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Thanks Tony

In case anyone needs to know the bolt and adjusting perch are M6 x 1.0

My bolt had a little "scarring" on the thread and thats what was stopping it from turning all the way in. that is fixed!

The actuating arm adjustment is a good call. I will check that. How do I check to make sure there is enough travel? Are there specs or an easy way to check?

Last edited by davis911s; 10-07-2012 at 03:26 PM. Reason: M6x1.0
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post #9 of 10 Old 10-07-2012, 08:06 PM
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take off everyting the wheel the brake cover the cable and see if the brake lever is in the right area.

lt250EF new fuel pump upgraded to honda pump, painted greeen and black, runs like a boss.

The more you sweat in training the less blood on the battle feild.

The only easy day was yesterday!!
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post #10 of 10 Old 10-07-2012, 08:26 PM
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Click the image to open in full size.

lt250EF new fuel pump upgraded to honda pump, painted greeen and black, runs like a boss.

The more you sweat in training the less blood on the battle feild.

The only easy day was yesterday!!
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