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I put the flat part of the jack right across the "dogbone". Never had a problem. If I remember correctly the directions for my jack indicated that was the point to put one of the jack rails. With the width of the jack rails you cannot bypass that location
Thanks for the advice. My bike is a new 2014. The dogbone is just slightly lower than the frame rails (~1/16th" or less). The points at which the dogbone is welded to the frame rails are actually higher than the bottom of the rails but the dogbone is shaped to hang just slightly lower than the bottom of the frame rails across the span between the frame rails. I can't understand why it was designed or perhaps welded to hang lower than the frame rails. There's enough space above it to have welded it a bit higher than the frame rails. You'd think that's a no-brainer during frame build!!
My MC jack arms do indeed span the full width of the frame rails with about an 1+ inch to spare on each side. It just looks like the frame rail is gonna push up and flex the dogbone a bit when lifted at that location. It may not bend it but I can't be sure it wont stress/break the weld between the dogbone and the frame rail.
Maybe I can position hard rubber spacers on the jack arm under the frame rails on each side at this location to prevent contact with the dogbone. That should work to keep the lift stress off the dogbone.
Maybe I'm just being paranoid and the dogbone will just flex a bit without bending or breaking the weld when the bike is lifted. Afterall the jack arm will be under the frame rails at this point.
Anyway...I want to jack the bike to do maintenance (fluid changes, brake pads, etc) and cleaning.
This is the bitch with these bikes. I've got the HF motorcycle jack. I lifted it just enough to be able to spin the wheels to clean them and to give me a bit of an edge to see the lower parts to clean. However, I don't think I'd do any wrenching with the bike on that jack. Its just too unstable. A table is the only way to do it and those things aren't cheap!
I suppose if your jack area was wide enough to contact both frame rails, if you positioned it between the dogbone "flanges", it might be OK, but I wouldn't wanna chance it after seeing the indy bend the thing (that's the reason I became familiar with this part) Don't remember what kind of jack he used, but he bent it almost to the tranny case.
When I do fluid changes, cleaning, etc, I just lay on my garage floor.
This is the bitch with these bikes. I've got the HF motorcycle jack. I lifted it just enough to be able to spin the wheels to clean them and to give me a bit of an edge to see the lower parts to clean. However, I don't think I'd do any wrenching with the bike on that jack. Its just too unstable. A table is the only way to do it and those things aren't cheap!
Resting on the hydraulic lift cylinder, yes the HF jack is unstable and wobbly. But let it drop down onto its stops and it becomes pretty darn stable. From your description, it sounds like you're lifting it up and holding on the cylinder. If so, take it a little further so the two legs can drop down, then lower the bike down so those legs seat. See if it then feels much more stable to you. I suspect it will.
I've been jacking up my '08 with a J&S jack since 2007 by putting one rail of the jack in the channel of the dog bone. No bending or accidents but I can't speak about smaller jacks.
+1 this is exactly what I do. You can't hurt it this way.
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