XS 400 Seca..... - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 8 (permalink) Old 03-05-2002, 08:35 AM Thread Starter
Join Date: Jan 2002
Posts: 68
XS 400 Seca.....

Hey, ya'll.
Pre-1990 eh. I figured since there was a heritage special in here, that maybe my Nicky would fit in. He's an 1982 XS400RJ Seca. 29,000km's on him. Red, and has perfect compression. It's my first bike, and is turning out to be really reliable. I have some carb work and stuff I have to do now, but no biggie. Yeah. I dunno what else to say. Everyone seems to know what they are, but I've only ever seen one other where I live. Does anyone else have one? Had one? Have any stories about them? I'd love to hear. Thanks so much!!
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post #2 of 8 (permalink) Old 03-05-2002, 09:11 AM
Join Date: Jul 2001
Posts: 309
Howdy Laura!

Welcome to SBW. I saw the picture of your ride on the other thread. For a 20 yr old bike it looks to be in great shape! I know nothing about Seca's. I didn't even know there was a 400 cc Seca. Interesting design. It must be very light and handle very well. I suppose the engine is a stressed component?

I'm sure you'll meet somebody here who is familiar with them. There are a bunch of very knowledgeable people on this forum.

C ya!
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post #3 of 8 (permalink) Old 03-05-2002, 09:25 AM Thread Starter
Join Date: Jan 2002
Posts: 68

I suppose I need a pic of him in here too don't I?? Yeah, I think so. Okay, this is my bike, and a bike a friend of mine had. For those who are interested, 1977 BMW R100/7, w/ Hannigan Fairing and BMW bags.
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post #4 of 8 (permalink) Old 03-06-2002, 09:19 AM
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Join Date: Dec 2000
Location: Athens Greece
Posts: 943
Hi Laura,

I have two friends in Greece who ride XS400s like yours, only in blue.
They are able to get parts very cheap these days, as there are quite a few of these bikes abandoned on the streets....

One of them has over 120,000 km!
The only problems were with the electrics and the carbs. Apparently the carbs membranes develop holes and Yamaha sells them quite expensive.
I ve ridden the XS a few times, and it's perfect for the city. Top speed is 170km/h on paper , but it was wobbling a bit after 130 so I didn't push it more
I liked the pic with the BMW and the XS, they make nice company! I also own an old Yamaha, the SR500, and a BMW R75/6, similar to your friend's. These bikes are really strong.

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post #5 of 8 (permalink) Old 03-07-2002, 12:45 PM Thread Starter
Join Date: Jan 2002
Posts: 68
Smile Hey!

Hey, yeah, I don't know the guy anymore, and he sold it.... It was weighing like 600lbs, with the fairing and all... My dad has a 1972 BMW R75/5 that is mint. Blue with the toaster tank. Very pretty bike. Only 30,000 miles on it! He's owned it since new...
That's so cool about the ones in Greece! I've only ever seen one other one here, it was blue too.
It's a good little bike. Mine is the reduced effort or whatever; so it tops out at 140km. (no way, i didn't do that. nuh uh! ) LOL. Yeah. hehe. I'm hoping to put the bikini fairing off a Kawasaki GPz on it. I think that'd look cool. Probably spending way too much on a bike I payed $800 for, but eh! I like it! It's lotsa fun!
About weight and stuff. Claimed 410lbs. So, not THAT bad. And the handling is pretty descent, I gotta mess around with the settings on the rear shock, I'm either bottoming out, or feeling like I'm just gonna slide out, no warning (like driving a razor blade!) So, I think i'm gonna go back to bottoming out, cause I'd rather bottom out when I hit a pothole than slide out!
Well, this is getting really long! Thanks for all the support guys!
Peace! Laura
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post #6 of 8 (permalink) Old 03-10-2002, 09:48 PM Thread Starter
Join Date: Jan 2002
Posts: 68
Cool hello

Hey, thought you guys might get a kick out of this...
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post #7 of 8 (permalink) Old 04-01-2002, 05:59 PM Thread Starter
Join Date: Jan 2002
Posts: 68
Smile dyno.....

Hey, I'm not totally sure how to read it either, but from what I've been told, it just spiked at 37... (the guy said the 37 was a clutch spike or something) It actually averages out at 29.5 Which still isn't bad... I'm thinking of putting on a K&N and doing the jets to get just that little bit extra.
I heard somewhere that baby Ninja had 40... man I really gotta read up on that one... I guess I was missinformed.
Baby Ninja will be faster though, cause he's at least 70lbs lighter. I don't think I'll be dissapointed by him; he'll be a totally different feeling bike, a sport bike rather than a standard, better handling, etc.... I'm really looking forward to my baby!
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post #8 of 8 (permalink) Old 06-13-2002, 09:20 AM
Join Date: Jun 2002
Posts: 2
Yamaha 400

Nice scoot. Here in the states they were XJ400 (seca series were all XJ). Also, very lean carb settings made driveability poor. Drill the caps covering the fuel mixture screws and run them out 2.5 to 3 turns from bottom and responce improves. In 1985 we were selling them new for @ 895.00US.
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