After pricing good waterproof saddlebags (panniers) that would fit my 2006 Kawasaki Vulcan 500 LTD, I just decided to do it myself and save some bucks. Have you ever tried to find good waterproof storage for your motorcycle? Did you find that they were a wee bit expensive? Well, either you've done something similar to this instructable or you've sucked it up and threw your cash at some vendor.
What to do? I found out that one of my hobbies helped with this - Geocaching.
Originally, I was going to put a few good caches around my area in ammo cases. They're waterproof and if painted right, can be hard to find. Since I was behind in putting the caches out there, I thought that ammo cases would be a great place to store small stuff on my bike.
Here is a picture of my '06 Vulcan 500.
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Step 1: Get Some Ammo Cases
Ammo cases are easy to find - Army Surplus stores, online, ebay, neighborhood militia group, etc...
I used a standard case for 7.62mm rounds. They measured about 7in. x 3 ½ in. x 10 in.
What to check: rubber gasket inside lid, rust, and latch. Rusty, ok - just more work. Rubber gasket must be intact and pliable. Latch must work. I think I paid $7 a piece for mine from a local Army Surplus store - and they had a ton of them.
Different sizes may work, but these seem to fit my motorcycle without hampering a passenger.
Step 2: Measure and Drill
PLEASE TAKE NOTE: THIS IS FOR A 2006 KAWASAKI VULCAN 500 LTD, IT IS ALMOST CERTAINLY DIFFERENT ON YOUR BIKE! I hate to put that disclaimer in, but you better have a pretty good understanding of your bike before attempting.
1. Remove the bolts that attach to your fender. This is where a passenger backrest attaches.
2. Take a strip of wide masking tape (or painter's tape) and run it along the support (pic 2)
3. Mark the centers of the holes for the mounting bolts and the end of the support arm.
4. Transfer the tape to the ammo box. Make sure you've got in the correct side - you are going to drill the side that will be attached to the bike.
5. Punch the centers of the holes and remove the tape. Repeat for other ammo box.
6. Drill pilot holes, then drill out with a bit that is slightly larger than your mounting bolts. I used a 11/32" bit for the drillout.
Step 3: Paint 'em Up
Paint it up. Use whatever paint you think is best. Since I go for more for quick and dirty, I used rust stop spray paint.
I'm sure it would look a lot better if they were powder coated or professionally sprayed.
Just make sure you don't paint the little rubber gaskets on the inside of the lid. It will probably destroy them.
Step 4: Mounting Your Prize...
To make sure that you don't get any water in from the holes you just drilled, I used some rubber washers. 5/16" ID x 3/4" OD. You'll need eight. I also used some stainless steel washers to put between the bolt head and the rubber washer. This helps in compressing the rubber washer and prevents the bolt head from tearing the rubber washer.
I put another rubber washer between the ammo box and the support arm of the bike.
For you whom are following along it goes on the bolt like so... stainless washer, rubber washer, through ammo case, rubber washer, into support arm.
You may need a friend to help get the bolts into the support arm. I had a bugger of a time getting the right side in, but the left side was easy.
Step 5: That's All She Wrote...
Mounted and pretty (well, pretty ugly). They hold about 0.25 cu/ft total. Enough for my rain gear, documents, water bottle, snack, etc...
Things to consider:
Paint after drilling holes, making them lockable (see other person's instructable), protecting support arm chrome. Add reflectors. Flat black paint.
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