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I've been swopping emails with the people at Motad (in the UK), concerning the possibility of re-introducing their currently discontinued 2-1 system for the XS400. Their answer was simple - if enough people are interested, we'll do it. I haven't yet discovered how many is 'enough' or what the...

Brake fluid reservoir: Modeled the reservoir from scratch based on my XS360's very aged reservoir. Metal inserts are required to accept stock screws. I have the inserts installed in a prototype and they fit the stock cover perfectly. I haven't been able to test it but bikes where the cap...

I have finally gotten around to starting a build thread on my bike. Earlier in September I went and picked up a bike with my good friend Matt (SpecialK) and have been working on it in my free time. I picked it up for $1200 and the guy had already done work on it, such as getting rid of the...

Hey everyone, been lurking a bit. Really enjoy this forum and the creations that spring forth. So I chose to finally start a build thread. I've built some other cycles but this one has a bit of significance. This was the first motorcycle I ever wanted in my life. Back in 1978 my brother and...

I see tons of DOHC stators on ebay for cheap, not so many SOHC, does anybody know if they'll bolt in?

Okay I searched the thread couldn't find anything on it or maybe I'm not searching it correctly but, is there any upgrade for coil/spark plug wires and boots or is there a plug wires we use from something else to make all advice and answers will be great! Want to upgrade mine there looking...

Just about done building this Brat bike. Its my first bike, I'm only 16. Picked it up stock and running. Cut off the rear portion of the frame and welded on a loop. Found an old fender in my dad's buddy's scrap pile. Bought a good cafe style taillight. Took off the old riser handlebars and...

Anybody wanna see my project? http://imgur.com/a/QdO78#0

Hey there, I live in SLC, UT, and am buying my first motorcycle. Checked out this today (http://www.ksl.com/index.php?nid=218&ad=29534880&cat=&lpid=&search=yamaha%20xs400&ad_cid=2) Looking for something not too heavy, but also fun to ride, and I love this style. Everything seemed to be...

Nevernind the forks being on the wrong sides!! I was just test fitting the triple trees and stuck the forks and wheel up there for a couple quick pictures. Looking at them now I see the forks are on the wrong sides. The brake caliper mounts go behind the forks. Lol woops. Eventually it'll 18"...

Search-Fu returns nothing... I've wrapped individual pipes before but not a 2-1 header. Any idea how much wrap it will take? Also, as I head over to YouTube to search for videos, any hints on making the connection where the two pipes merge into the collector? How do you wrap it when all...

OK I've ordered up a ton of parts. I'll post some pictures in the coming weeks. 1981 XS400 18" rear Eruo mag wheel, disc brake 18" front mag wheel, dual disc brakes Modern sport bike inverted tube front end, 50mm tubes Modern sport bike handlebars Modern master cylinders and calipers...

Hey guys! Besides the speedo and control lights (flashers, neutral, hi/lo) I finished my shot on an reduced wiring diagram based on the colored wiring diagram that can be found on german XS400.net It's kick only but has flashers, front and rear brake switches, horn etc. I went with an...

Has anyone had success modifying the stock or fabbing a new H-Pipe that pulls the filters closer to the carbs but maintains their cross-flow and the venting from the crankcase? Effectively cleaning up that 'triangle' but maintaining the function of the big stock H-Pipe. I think Kingjetpack...

I stumbled upon this forum while looking for some parts a few days ago, and thank God something like this exists. I am about to start on a project bike that has been sitting approximately 25 years, maybe more. 100% original, as far as I know, the two previous owners are family friends. The...

I picked up this pretty sweet 1980 XS400 a few days ago, took a few pics before I started to tear it down. I'm gonna clean it up, fix some of the welds, replace the pipes, and paint the tank. She's a runner but the carbs need some work, the bike just doesn't want to idle.

well I have been riding this xs for about two years now haven't really done much to it because just been putting it aside so now its time to at least start with it. its going to be a slow process because of other projects I got going here it is how I got it two years ago so my plan is to...

Looking to go mono-shock on my xs400. Any suggestions on a good mono-shock to go with? Thanks, Johann

Apologies if this has been covered already in great detail, but I haven't found the search option to be terribly intuitive. I'm wondering what my options are, battery-wise, if I'm not interested in my bike being kick only. I'd like to clean up the area where the battery currently is and a...

Hello everyone! My name is Ryan Meyer and I am a Canadian who has moved to the Netherlands last year for school. Along with a couple major lifestyle changes, such as mountains at my backdoor being subtracted for the flattest country EVER, I as well do not speak Dutch. I am still learning the...