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The Vintage Japanese Motorcycle Owners Group: Discussion Forums

Vintage Japanese Motorcycle Owners Group :: View topic - Yamaha SR250 one-piece vs two-piece seats


Yamaha SR250 one-piece vs two-piece seats

 
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Wigwam_Jones
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PostPosted: Tue Jul 25, 2017 6:55 am    Post subject: Yamaha SR250 one-piece vs two-piece seats Reply with quote

I have a 1982 Yamaha SR250 with the two-piece seat. The idea was that the pillion could be removed to mount a small trunk.

I don't care for the two-piece seat and I don't have the trunk to mount in any case. So I'd like to buy a one-piece seat and use that instead; it also more closely matches the 1981 Yamaha SR250 that I had back in the day.

However, looking at the photos of various seats for the SR250 that I see online, the mount points do not look the same to me. So I'd hate to buy a one-piece seat and then find out I could not use it.

Does anyone know if they happen to be interchangeable without customization of the mounts? Thanks!

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zjeppe
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PostPosted: Tue Jul 25, 2017 1:38 pm    Post subject: Reply with quote

Have SR 250 but one seater...Never seen two piece seat before Question Sorry, can' t help Crying or Very sad
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dorT500
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PostPosted: Tue Jul 25, 2017 2:38 pm    Post subject: Reply with quote

http://www.bike-urious.com/1982-yamaha-sr250j/

Smile I like the trunk action!....I think Confused ......but like you say, you don't have the trunk part anyway. hhhhmmmm.... I wonder if one could remove the seat covers and carefully remove foam as/if needed from both parts and splice them together. Go back with the foam, spray adhesive, filling any gaps with new foam. Shave down original foam on back section if wanted. Then take it to an automotive or marine upholstery shop for a new cover but I figure a custom made cover from one of these places could run $130.00 or more.

Question is if you could install and remove this new assembly as a single unit with the mounting brackets as they are now on your bike.....probably not....maybe... Idunno

Oh well, hopefully, someone with direct experience with what you want to do will come along soon.

Edit; I'll bet this guy could answer any questions you have......
https://www.jadusmotorcycleparts.com/

https://www.jadusmotorcycleparts.com/contact

Good Luck and Welcome to the VJMOG

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MR.CHocko
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PostPosted: Tue Jul 25, 2017 5:50 pm    Post subject: Reply with quote

There was a Yamaha accessory item which was a back rest/luggage compartment trunk. It was only for those bikes. It would mount to a stock seat, and there were some mounts for it. I remember seeing one a while back and I even tried to buy it from the man who had it (this was when I was in business). No he did not sell it to me. .
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dorT500
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PostPosted: Wed Jul 26, 2017 10:01 am    Post subject: Reply with quote

I was looking at parts fiches of the bike frames. I think I looked at 1980 through 1982 and at a glance the frames all looked the same at the rear. I wanted to compare frame part numbers between the years, but where I was looking did not list the frames and their numbers. Like you say, these were kits ...... would have to have come with their own different/additional hardware to hook up with the stock mounting tabs on the frame.
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Wigwam_Jones
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PostPosted: Wed Jul 26, 2017 10:32 am    Post subject: Reply with quote

dorT500 wrote:
I was looking at parts fiches of the bike frames. I think I looked at 1980 through 1982 and at a glance the frames all looked the same at the rear. I wanted to compare frame part numbers between the years, but where I was looking did not list the frames and their numbers. Like you say, these were kits ...... would have to have come with their own different/additional hardware to hook up with the stock mounting tabs on the frame.


Thank you! What I've seen on my own two-part seat is that the front part has a forward-facing tab that slots under the gas tank hold down, right in the middle.

It seems from the photos I have seen that the one-part seat has a rear-facing tab that slots in somewhere towards the back of the bike frame. I have not yet taken off the pillion on my seat, looks like it has to be unbolted to get it off.

I just didn't want to buy the one-part seat and then find out I could not easily mount it.

I agree that the trunk was kind of cool, and you needed the two-part seat to mount it. But back in the day, I had a one-part seat and I'm trying to recreate that, so no trunk this time around.

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dorT500
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PostPosted: Wed Jul 26, 2017 12:35 pm    Post subject: Reply with quote

Wigwam_Jones wrote:
...........Thank you! What I've seen on my own two-part seat is that the front part has a forward-facing tab that slots under the gas tank hold down, right in the middle.......It seems from the photos I have seen that the one-part seat has a rear-facing tab that slots in somewhere towards the back of the bike frame.
Just a few pics to 'brighten up the place' Wink and an ebay listing you have most likely already seen.

EDIT: I wonder if that is just an artist mistake (parts fiche) showing the rear receiving slot different then the primed frame in the picture. Maybe the owner moved it for a cafe seat?








http://www.ebay.ca/itm/Mint-OEM-Yamaha-sr250-exciter-seat-sr250e-sr250g-3Y6-W2472-00-00-/201983201804?hash=item2f0723120c:g:bJMAAOSwA3dYFmgI&vxp=mtr

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Wigwam_Jones
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PostPosted: Thu Jul 27, 2017 9:06 am    Post subject: Reply with quote

Awesome, thank you!
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mnmrider
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PostPosted: Mon Jan 15, 2018 4:14 pm    Post subject: Reply with quote

I got one of those ugly ducklings as wel https://www.dropbox.com/s/9hezg8cz3gf4u2g/IMG_0814.JPG?dl=0
with the weird seat configuration. I though about getting a pizza box for the rear portion (some are available on ebay) which is kind of cool, but after seeing the Jadus bike conversion for that model, that's the way to go now in my opinion. I think they can help you out with the frame loop and seat kit.
The parts fiche drawing is correct as you can see on this picture: https://www.dropbox.com/s/m1ck4vqcn5t44fg/IMG_0823.JPG?dl=0
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