gjm606 Posted July 15, 2015 #1 Posted July 15, 2015 Hello, I bought the Yamaha counter measure kit for my trunk. It was already cracking, color dark magenta cocktail. Anyone know of a trunk base for my year or best way to stop crack from getting worse. Tried to get Mother Yamaha to assist me but technical bulletin for that issue expired 3 years ago. Was hoping they would replace trunk base. No such luck.
YamahaLarry Posted July 15, 2015 #2 Posted July 15, 2015 Mine is cracking as well. I will be tearing the bike down for new paint job in a few weeks and hopefully can do a permanent repair on the trunk.
videoarizona Posted July 15, 2015 #5 Posted July 15, 2015 Since I'm going to be leaning my trunk back at some point soon...so the back rest better fits my "Better Half"...it was suggested that I strengthen the bottom with a stainless plate. So let's take this one step further: Someone should be able to make an aluminum or stainless plate that is attached through the current 4 holes and/or bonded to the bottom. The plate would have the current contours of the bottom and offer support for the majority of the bottom. I would think using epoxy type material to repair cracks on original bottom before bonding plate to bottom would be essential to making a good repair. Thoughts, anyone?
gjm606 Posted July 15, 2015 Author #6 Posted July 15, 2015 Since I'm going to be leaning my trunk back at some point soon...so the back rest better fits my "Better Half"...it was suggested that I strengthen the bottom with a stainless plate. So let's take this one step further: Someone should be able to make an aluminum or stainless plate that is attached through the current 4 holes and/or bonded to the bottom. The plate would have the current contours of the bottom and offer support for the majority of the bottom. I would think using epoxy type material to repair cracks on original bottom before bonding plate to bottom would be essential to making a good repair. Thoughts, anyone? Thanks for your input on idea...my crack is coming up the back so I'll need to address it soon.
steamer Posted July 16, 2015 #8 Posted July 16, 2015 I repaired the cracks in mine by drilling a very small hole at the end of each crack then used a two part plastic repair product that I can not for the life of me remember the name of it. It was a powder and liquid. All you have to do is pour the powder in the cracks and add the liquid and hardens in seconds. Then I added the support plates I got from Yamaha. I also move the trunk back to the rear most setting to give the wife more room. that was about 3 years ago and it is still holding.
utadventure Posted July 16, 2015 #9 Posted July 16, 2015 Drilling a hole at the end of the crack is the first step. I used the ABS glue to mend the crack and then layered some fiberglass to reinforce it. Held up on my '86 for almost 10 years now. Dave
gjm606 Posted July 16, 2015 Author #10 Posted July 16, 2015 Ok, I thought you might have same year and color as mine. I am going to drill that small hole at end of the crack and try to close the gap on the crack so it's not visible from looking at rear of trunk. Have a Blessed Day.
YamahaLarry Posted July 16, 2015 #11 Posted July 16, 2015 How do you plan on repairing yours? I haven't pulled it yet, so not sure how it all is put together, but first thoughts are as others mentioned. Drill hole at the end of the crack and repairing everything with an ABS glue. Depending on what I find, I intend on reinforcing the holes in some manner. Maybe sandwich some homemade ABS plastic washers on each side to make it thicker at the bolt holes. Will have to make a call after I get the bike torn apart. I also have a small crack in the left front lower that will need repairs. Will cut a v-groove length of crack and fill it with ABS glue.
YamahaLarry Posted July 16, 2015 #12 Posted July 16, 2015 I repaired the cracks in mine by drilling a very small hole at the end of each crack then used a two part plastic repair product that I can not for the life of me remember the name of it. It was a powder and liquid. All you have to do is pour the powder in the cracks and add the liquid and hardens in seconds. Then I added the support plates I got from Yamaha. I also move the trunk back to the rear most setting to give the wife more room. that was about 3 years ago and it is still holding. Was it Q-Bond? My brother the mechanic introduced me to this amazing stuff to repair a gas tank on a car that I accidentally cut into with my cut-off die grinder. This stuff is strong and will stick to almost anything. Link below. Q-Bond
Condor Posted July 17, 2015 #13 Posted July 17, 2015 I repaired the cracks in my '99 with this stuff. Went to my local Y dealer and picked up the over priced metal reinforcement plates, and chemically welded the cracks and installed the plates.... I didn't have to remove a thing, and I had a lot of spider cracks. Took about 10 minutes. The IPS 2354 is a clear watery liquid that melts the crack back together. It wicks into the crack so there's no need to drill anything, and afterwards you can't see the crack from the outside. A little of this stuff goes a long way. I've been using it for all repairs on both my 1st and 2nd Gens for years. It's designed to use with ABS plastic, and works great. You can buy it online, or around here it's sold at the local Tap Plastics Stores.
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