Brake Problem

[Dusty]

The problem is when the bike is off the brakes are fine but just as soon as i turn it on and put it in gear the line looses all pressure!! I changed the calipers and brake pads and everything but still the same problem. Any positive help would be greatly appreciated

[Juice]

Is this on the Duc? To my knowledge, the brakes on that bike are manual- the electrical system shouldn't effect the brake system.

[Save-the-Manatee]

You said you replaced the calipers and pads or just pads? if you changed calipers, did you change the crush washers on the banjo bolts? They are usually a one-time use. Are the pistons in the caliper sealing properly? The whole key on thing is weird, the only time that should effect it is if it has abs, which yours shouldn't. Make sure the lines are not being kinked anywhere that has moving parts when the engine is running. Try rolling the bike with the ignition off and see if they still lose pressure.

[Rocky]

The brakes on that bike are manual- the electrical system shouldn't effect the brake system.

+1 Try this

Make sure the reservoir is full (dot 4 brake fluid) pump brake handle 5- 10 times and hold while holding brake lever- open the brake bleeder on the front left brake caliper. ("left" as sitting on the bike- this should be the bleeder farthest from the reservoir.)- after the air/fluid escapes- close the bleeder and repeat until there are NO more bubbles.(make sure the brake reservoir never runs empty or you'll have to start over) Any time you release the front brake lever make sure- the brake bleeder is closed first. Now repeat on the right side.

[Save-the-Manatee]

Depending on how the bike is set up(either a splitter or the m/c goes to one caliper, and the calipers are connected), you have to bleed it in a certain order to make sure you get all the air out. maybe thats why you was having a few problems when u were previously bleeding...


+1 Try this

Make sure the reservoir is full (dot 4 brake fluid) pump brake handle 5- 10 times and hold while holding brake lever- open the brake bleeder on the front left brake caliper. ("left" as sitting on the bike- this should be the bleeder farthest from the reservoir.)- after the air/fluid escapes- close the bleeder and repeat until there are NO more bubbles.(make sure the brake reservoir never runs empty or you'll have to start over) Any time you release the front brake lever make sure- the brake bleeder is closed first. Now repeat on the right side.