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Home > DIY - Tech Tips - Custom Motorcycle Fork Stops
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| Custom
Motorcycle Fork Stops |
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When
building a custom motorcycle you run into lots of
small problems, and often how you attack these problems
make a big difference in the final result. My favorite
thing about a custom bike is often something really
small and clean. This shows my solution to some fork
stops needed for my bike, which mated a '61 pre unit
Triumph front end to an earlier and different style
'58 swingarm pre unit frame. The stops on the lower
tree and frame didn't mate up, and I was sure I was
going to dent my tank in with one quick swing of the
bars.
I
decided to do a simple fork stop that would be hidden
by the headlight, and that wouldn't necessitate a
metal stop smacking into my frame neck, chipping the
paint. I started by cutting and filing a small steel
tab and welding it to the cast steel neck on the frame,
so it just cleared the lower tree.
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| I
scribed a line around the lower tree while it was still
on the bike so I knew the steel rod stops would clear
the neck, and then proceeded to mark and carefully drill
5/16" holes in the lower tree. I cut the two rods
out of 5/16" cold rolled steel, measuring the distance
from the tree to the top of my welded tab, and adding
in the thickness of the lower tree. |
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| This
shows the bottom of the lower tree, after wire-wheeling
it and cleaning the cutting oil away before assembly
with denatured alcohol, preparing it for welding. |
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| While
I was at it, I went ahead and cut off the stock stops
from the lower tree and also cleaned up some of the
dings and casting lines with a flap disc and grinder. |
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| After
a quick grind of the welded tab to smooth it, the tree
now fits perfectly and has a nice sturdy stop. Luckily,
the fun doesn't end here, and I get to move on to one
of the countless other small problems I have to find
solutions for on my project bike. |
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