Race Inspired Yamaha XS1100 With a Past

I know I know, another Yamaha XS1100 post. Thankfully many of my readers are into them just as much as I am. To the others, please bear with me.

Anyone who knows me or reads this blog knows I have a predilection for Yamaha XS1100’s. I’m not sure how it developed, but that’s not what’s important. What’s important are the bikes!

I recently stumbled upon this spectacular custom built example and thought I would share.

1980 Yamaha XS1100 Custom

This is a 1980 Yamaha XS1100 which was built for Skine Weaver back in the early 1980’s. He supposedly raced it for many years all around the United States. I’m not sure what type of racing he was involved in, but it must have been some type of super stock dragging. I heard he was very successful with it. It looks more like a pleasure rider to me.

Yamaha XS1100 1980 Race Bike

This XS110 is a very unusual looking bike with a lot of interesting features and custom touches. It has a hand built 7.5 gallon gas tank which is obviously just a stock E style tank extruded upwards. It has the fairing from an XJ900, which suites it quite well. The tail piece is clearly based on a Yamaha OW-01, but it has an unusual curved shape to it so it must be custom modified. The seat is custom done. It has all the standard modifications you’d expect for any performance tuned bike 0f the period; a 4 into 1 Kerker exhaust, pod air filters, fork brace, etc.

It’s also hard to miss the nitrous oxide tank mounted to the rear of the bike. There certainly aren’t many XS1100 guys running nitrous these days. It’s a 5 pound bottle and rumor has it the motor dyno’d at 145hp with a good boost. This bike would be scary when you’re on the throttle.

One of the most unique features you might gloss right over if you don’t look closely. Not only does it have an oil cooler, but it has an air damn on the front fender to kick air up into it. Very cool.

1980 Yamaha XS1100 Cafe Racer

When Skine Weaver died the XS found it’s way onto the display shelf at a local motorcycle shop in Pennsylvania where it has been sitting for fifteen years. It has just recently come up for sale – at a very modest price.

I believe this is the original owner Skine Weaver.

Skine Weaver XS1100

I love a bike with a good history and an interesting story. This is certainly one of those bikes, I just wish I knew more about it. If anyone has any more information about this bike or Skine please share it!

Yamaha XS110 at the Races


By ef

Hey, I'm Evan and this is one of my motorcycle sites. You can find more about me on my homepage, or visit me on Google Plus: +Evan Fell


  1. I have enjoyed this bike for over a year and it has run well, but alas all things come to an end and I am returning it to a more stock look so the gas tank and rear tailpiece are to be removed for stock along with the nitrous


  2. That’s really odd how many Bikes was made exactly like that one. my friend has owned this bike for several months in the same condition it looks in the picture……have pics to share but if you asked me this Bike is in Georgia…..


  3. I have a 79 xs eleven I’m building cafe style and I want that fairing. do you have another? any condition? square headlight fairings are hard to find


  4. Felicitari,scumpa, Laura! Ma bucur mult pentru noua ta colaborare, nu se putea "ascunde lumina sub obroc"! Felicitari pentru aceasta tarta magnifica si pentru tot ce faci! IonelaVA:F [11a]2._1169.ple9se wait…VA:F [1.9.21_1169](from 0 votes)


  5. Poukisa le ti grangou sa yo vin nan peyi a nou pa meprize yo? Poukisa nou toujou pra la nan reyinyon y ap fe? yisyen renmen blan twop, se sak fe yap krache nan figi nou konsa. Li le li tan pou nou pran moun sa yo pou sa yo ye.Epi tou fok nou komanse kouri deye yo. Fout yo deyo nan peyi a, ban salopri yo.


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