1980 xs1100 fighter NEW exhaust video!

MeatTooth

New Member
this is the almost complete yamaha xs1100 I picked up for $400. I thought I was making a cafe racer but I'm apparently missing a few key components for that ( clubman handlebars, big light, etc.) So I guess this is a fighter?!?! does this qualify?
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Re: 1980 xs1100 fighter

Kick'm in the sack and call it a a roadster then. Who cares what it's called anyway...that's a cool bike. I've not seen one stripped that well before..
 
Re: 1980 xs1100 fighter

Call it what you want, I call it cool! You should switch to clip-on though! That would really complete it!
 
Re: 1980 xs1100 fighter

Thanks for the input! I'm looking into the clip ons or clubmans, but two previous back surgeries are begging me not to. I still have to make an exhaust and make a new rear brake set up.....I'm thinking of putting 2 round mufflers right underneath the engine and then splitting it out right infront of the rear wheel. Has anyone put a muffler right underneath the engine and had clearance issues the cases are 3 inches in dia.? It looks like there is plenty of room.

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Re: 1980 xs1100 fighter

Lots of builders place their mufflers there, clearance will be determined by the build (obviously) 3" is pretty large in diameter for under a bike though.....
 
Re: 1980 xs1100 fighter

By looking at the stance of that bike I think you would have no problem with it under there! Unless you are planning on trail riding with it!
 
Re: 1980 xs1100 fighter

YA know...the only other thing I might suggest would be a stouter pair of forks.
Big bike for those skinny pogos. I'm putting a set of 41mm Showas on my XS850 and my bike's gonna be lighter than yours if for no other reason than the extra cylinder you have.

I think the XS11 hase one of the cleaner frames of that era.....dig the tail loop you added!
 
Re: 1980 xs1100 fighter

I would like the bigger forks with the newer better brakes attached, but I've seen some done where it dropped the front end down considerably. I'll just have to get out my tape measure and hit the salvage to see what I can find.....the rear loop was made with the front engine case crash bars. It only looks good from a distance there is a lot of things I didn't bother to clean up since it's my first build and I just wanted to try some things that were in my head.
 
Re: 1980 xs1100 fighter

nice seat. I'm such a newb, how did you go about fabricating that rear subframe? I've always wanted to do that rounded tube look, but don't know how others go about it.
 
Re: 1980 xs1100 fighter

i love the bike. just that blue on the tank always confuses me, it looks alot like blue painters tape.
 
Re: 1980 xs1100 fighter

Correct me if I am wrong, but your bike is shaft drive, right? It looks like you have some longer springs in back (am I right?) and I think it looks amazing. But do you have any issues with the shaft at that angle? I ask because I also have a shaftie that I am looking to give a similar treatment. Bike looks great, even if only from a distance, great first build!
 
Re: 1980 xs1100 fighter

I can't speak for his bike, but my XS850 had 14" shocks at one point with no discernible issue.
What bike are you building?
 
Re: 1980 xs1100 fighter

Well I would rather not thread jack MeatTooth, but it is a xj750rj seca.

I am still gathering inspiration, but MeatTooth hit right on the head on the stance.

http://dotheton.com/index.php?topic=12848.0
 
Re: 1980 xs1100 fighter

I'm really diggin this! The height of the rear shocks is awesome! and I really like the rear fender! Awesome work!
 
Re: 1980 xs1100 fighter

Thanks for the comments. I'm using some 14 inch shocks I bought off ebay for 70$. They don't seem to cause an issue with the shaft but I've heard of the extreme angles (lower or higher) cuase premature wear. I've also heard that these rear ends were way over engineered and will last longer than the rest of the bike if properly lubed and maintained. All fab on my bike has stopped since it's been cold and I had a baby, but it should pick back up this spring.
 
Re: 1980 xs1100 fighter

Fighters are just factory cafe racers,How bout a Cafe Fighter?? As for mufflers under the bike, Being air cooled i would not want two funraces sitting there. And as it is a shaftie, i hope when you sit on it the shaft straightens out quite a bit. They are not meant to run constantly at this steap an angle. Nice job on a unique machine.
 
Re: 1980 xs1100 fighter

Aren't shaft drives connected by u joints if so then they should be able to handle that angle. I like the bike man. it looks great. gsxr 1100 forks are pretty long upside down forks if you are still interested in a front end swap. I would have posted this build in the cafe section. you get more love there. keep it up and please update with some pics.
 
Re: 1980 xs1100 fighter

I wouldn't go much farther up, but unless he's experiencing bind (and you CAN tell) it'll work fine. The UJ will wear a bit faster but Yamaha overbuilt the XS7/850 and the 1100. It can take it.
 
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