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Author Topic: Trike seat project.  (Read 573 times)
John Schmidt
Member
*****
Posts: 15216


a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)


« on: February 21, 2021, 05:03:03 PM »

I had earlier asked if anyone had ever cut down an OEM seat off an I/S, planning to use only the rear portion as a separate piece. Here's what I've done thus far, it's still a project in progress but seems to be going in the right direction. The front seat is an Ultimate King so I could have taken an easier approach by simply buying the separate rear for over $200 and having it covered to match....but I'm cheap!  Wink

Here's how the seat started out.


I initially cut along that rearward line of stitching just to separate the two sections. Here's the seat once the back portion was amputated.


This is where I am at the moment following cutting/trimming to get it to sit down on the fender and fit in behind the front seat. There is still more trimming to do, during the process I only cut a minimal amount each time to prevent removing too much. I also had to trim the opening on the fender at the back where the front seat came in contact with it. Quite a white dust storm created using my air driven die grinder/cutting wheel. You can see where the rubber trim is pulled away, I had to remove close to an inch for the front to go back far enough to latch. Notice how the unfinished back piece nicely fills in the area surrounding that section of the body.


Here's the OEM pillion taken off the Tourer. I wanted to see if it would fit before I started cutting up the one piece seat. As you can see...it doesn't, plus it leaves a large open area surrounding the pillion.


Once the back section is trimmed so it looks even on both sides, I will fabricate a plate to mount under the front so it can be bolted down in the same manner as the OEM pillion. I haven't decided if I'll fiberglass it in place or use rivets. At the back, there's a rather large open area under the backrest. Once done, I'll most likely cover it with a single piece of leather, not a high priority at the moment.
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old2soon
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Posts: 23402

Willow Springs mo


« Reply #1 on: February 21, 2021, 07:33:46 PM »

          Well I've heard necessity Is a mutha!  Roll Eyes That nibbling around the edges slowly and gently Are the way to go.  cooldude Lookin good there John.  coolsmiley RIDE SAFE.
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Today is the tommorow you worried about yesterday. If at first you don't succeed screw it-save it for nite check.  1964  1968 U S Navy. Two cruises off Nam.
VRCCDS0240  2012 GL1800 Gold Wing Motor Trike conversion
John Schmidt
Member
*****
Posts: 15216


a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)


« Reply #2 on: February 21, 2021, 09:39:20 PM »

I just wanted to see if it could be done and appears it can...referring to the reason for my post. I'm not sure just how I'll get both sides to match, maybe cut out a stiff cardboard template and lay it on top then trim to match. Then for the other side just flip the template over and follow the outline in reverse. I actually bought a new electric carving knife, would have brought the old one with me from Florida when I moved but it was pretty dull after being used on the GL1200 rebuild a few years back. Frankly, I thought there might be more interest in the project but guess not. It appears a rather easy method to make a one piece I/S OEM seat into a two piece, something Honda should have thought to offer. I'll bet they would have sold a good number of them.
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Ken aka Oil Burner
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Posts: 1127


Mendon, MA


WWW
« Reply #3 on: February 22, 2021, 05:54:14 AM »

Nice work so far John. I've done a few seat foam "alterations" over the years, but haven't had the need (so far) to cut up a seat pan.

Not only does the IS pillion section fit the bodywork better, it looks much more "inviting" to sit on than the std/tourer rectangle does. It may or may not be any more comfortable, but at least it appears to have some shape characteristics of the human posterior. I've checked out many a' female backside in my time. Haven't seen a rectangle one so far.
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John Schmidt
Member
*****
Posts: 15216


a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)


« Reply #4 on: February 22, 2021, 08:14:12 AM »

Nice work so far John. I've done a few seat foam "alterations" over the years, but haven't had the need (so far) to cut up a seat pan.

Not only does the IS pillion section fit the bodywork better, it looks much more "inviting" to sit on than the std/tourer rectangle does. It may or may not be any more comfortable, but at least it appears to have some shape characteristics of the human posterior. I've checked out many a' female backside in my time. Haven't seen a rectangle one so far.
Me neither....but I still keep checking. I have noticed there are many that appear to exceed the load carrying capacity of that seat, especially on any bike/trike I'm riding.  Grin
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old2soon
Member
*****
Posts: 23402

Willow Springs mo


« Reply #5 on: February 22, 2021, 12:24:37 PM »

       John-as a matter of record please-a 2 or 3 tripper?  Roll Eyes THINK about it!  2funny RIDE SAFE.
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Today is the tommorow you worried about yesterday. If at first you don't succeed screw it-save it for nite check.  1964  1968 U S Navy. Two cruises off Nam.
VRCCDS0240  2012 GL1800 Gold Wing Motor Trike conversion
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