I'd second that. Exactly that just happened to a very experienced rider on the Suzuki forum I belong to. He took a 150 yard test ride, and his front locked solid. For the first time in 40 years he wasn't wearing any gear. Made a real mess of his skin, though fortunately nothing broken.I'd consider this a life threatening situation, if you get the fluid hot enough to boil, there will be a sudden big pressure buildup, and the front wheel might lock up solid and dump you at speed.
You'll have to explain that to a couple of guys on the V-Rod forum...the brake never gets hard enough to lock up...
I haven’t had the time or the ability to thoroughly diagnose the cause of me and my pony going down but I have a pretty good idea what caused it. After seeing a post by CaptClose (Ryan) about his front brakes locking up, I put 2 and 2 together. After we compared notes, Ryan advised that he had a set of Kuryakyn Boss Blade levers installed and experienced his problem on the ride home from the dealer. Fortunately, his problem occurred at a stop light. I had installed the very same levers the morning of my ride but didn’t consider that such a low tech item could be the root cause of my accident.
After recently looking over my bike and examining the hand controls, I saw something that is confirming my suspicions and could have been an early indicator. The brake lever doesn’t appear to sit flush with the outer surface of the perch. This would indicate that the piston in the master cylinder may be partially compressed. This creates 2 problems. Pressure would be applied to the hydraulic system and the primary cup on the piston could block the pressure relief orifice in the bottom of the reservoir. I suspect the pressure caused the brake pads to drag on the rotors creating heat. The heat caused the hydraulic fluid to expand building pressure and creating more friction/heat continually feeding itself or perpetuating the problem. The primary cup blocking the orifice would hold the pressure in the line and not allow it to bleed back into the reservoir. They had to drag my bike off the freeway and it wouldn’t roll until the front brake system finally cooled down.
Max's comments to a naysayer...Danno, I am 99.999999% sure that the levers caused your crash. I was able to replicate my problem with the brakes several times without fail. My levers were installed by the dealer during my collision repair and passed the the post repair ride & inspection and was delivered to me unknowingly with this defect. If it wasn't for this forum, I would probably have been in a major accident. However, because of all the stories of dealers messing up bikes or forgetting critical fasteners, I took it very slow and cautious. I only live a few exits up from the dealership so I was luck to make it home safe.
Like Danno said, my brakes locked up at the stop light. When I punched the throttle, my front end just dove and I went nowhere. I couldn't figure out what the problem was but after a few minutes, the brakes cooled down and I was able to limp home.
Under the advice of the forum, I called the dealership and had them trailer my bike back. I spoke with the collision manager and he knew EXACTLY what the problem was. Because of that, I'm guessing this is a common problem with aftermarket levers.
They machined the levers and so far they have been trouble free. However, I still recommend genuine HD levers and would stay away from the aftermarket, especially the Boss Blades by Kuryakyn.
I can't think of very many occasions where I might be inclined to call a lawyer, but this might be one of them...Danno did not post this without a lot of thought and the first time I talked with him on the phone this item was suspect. I know of three reported cases of this already. I think Danno posting this is good for the community and if nothing else makes others aware of the possibility. Sometimes simple changes can have dramatic results.
"Necroposting" ! I love it, what a great new (to me) expression..I hate necroposting for my first post...