Installing a Coocase V28 Fusion

Installing a Coocase V28 Fusion on my 2001 Yamaha Vino YJ50



I can tell you, there were only a few mounting instructions that came with this case.

TwistedThrottle.com has a page on their website for pictures/instructions installing the base plate, & good photos of how NOT to install these crucial parts.  But of course, no step-by-step instructions for the Vino, only pictures for some models.  I had mounting pieces, a bag with electrical parts, & with the electrical parts, wiring installation instructions.  Where would the base plate installation instructions be?  Contact us, the website says.  Well, it's a little late in the day to call eastern Canada. Forge ahead! My guesstimated install time ~2 hours with wiring, I'll say nope. Without model-specific instructions, I spent 90 minutes getting the base plate installed, & 3+ hours doing the blog bit.

So I started with the mounting hardware, deal with the electrical later.

There were 4 nuts, 4 x 3/16" hex head bolts, 4 x 1" square washers, 6 little round washers, 2 oval washers, and 4 bracket clips.  For tools, you'll need a 3/16" hex key, needle-nose pliers, a 10mm socket (and socket wrench) A flashlight or trouble light might be handy if you aren't in a well-lit area.

There are 4 brackets, one was in my hand

Lots of parts, now where do I put them?

There are some clues on the TwistedThrottle installation website - but you had to look at the photos VERY closely to figure it out. Square washers? Why would I want those? WHERE would I put those.  There were 6 oval mounting holes already in the mounting plate. Should be plenty.

Base plate with centre cover in place

 So putting the plate in place on the Vino factory rack, I noticed only 2 bolt holes (the ones nearest the seat) seemed to be able to screw into the bracket clips properly using the oval washers. The other 4 holes would be a poor choice to fasten the tail end of the plate securely to the mounting bracket.  (The Twisted Throttle website did show pictures of how NOT to do it.)  Oh, and by the way, there is a vertical bar on the factory rack, close to the gas cap - there's a reason for that.  You want to mount the base plate *behind* the bar towards the rear/taillight end of the scooter. Otherwise you won't be able to put fuel in.

Looking at the 2nd to last page of the Coocase "mini manual" and on the Twisted Throttle installation instructions page, I had an A-HA moment.

Dry fitting the base plate without centre cover

Base plate with centre cover removed

The centre panel of the base plate has a removable cover that can be released from the top or bottom using a flat-bladed/slotted screwdriver. There are snap-tabs in each of the 4 corners. Do be gentle, they're made of softer plastic. Once the plate is removed, you can decide where the mounting bolts and bracket clips make the most sense to secure the mounting plate to the factory rack.

Looking at the factory rack, I dropped the square washers into two of the square holes that had been hidden by the centre cover.  They fell perfectly between two rods of the factory rack running horizontally.  You can see the rods of the factory rack in the picture if you look closely, they are browner, (rustier), than the mounting plate.  Originally I dropped the washers in place with the bolt slots oriented vertically, but changed one to horizontal as I was going along, so that I could put a little more space between the bracket clips for balance.

So the fun part. Screwing it all together. Caution!!  Before you get started, you don't want to tighten the nuts all the way until you have it centred nicely over the factory rack.  

There are also round washers in the hardware kit, and, while I'm guessing they go between the nut and the bracket clip… well, that's where they are now.  Most things I've installed have washers there, so, I'm going with what I know.  Use the socket to tighten the nut most of the way while you hold the bolt with the hex key.  It was a tight fit with my socket as I had an adapter between the driver and socket… so I had to finish holding the nut with needle-nose pliers.  Snugged up nicely, and it's really quite sturdy.

Front Fasteners holding 2 supports
- view from below

Rear Fasteners holding 2 supports - view from below

I ran the wire temporarily under the seat into the storage compartment, being careful not to crush it. Since the Vino has a small, sealed RC style battery (the kind you'd put in a remote controlled car or Barbie™ Jeep™), with the contacts inside towards the engine, I left the connection for another day, I think it'll have to go on a stand to get access to the wires, since I won't be able to use the supplied ring connectors on the positive & negative terminals.

That's all for now folks. It's pumpkin time, and my pillow keeps calling to me.