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Author Topic: 1975 Yamaha XS650  (Read 3056 times)

Offline Powderfinger

  • Posts: 250
1975 Yamaha XS650
« on: Nov 11, 2014, 21:14:31 »
I bought this 75 XS650B in early September, it came out of a barn near Somerset PA. The previous owner owned it for 23 years and said he had ridden it a little in 2010 and had put new tires on it in 2012 and started it but never took it out. I paid $650 for it. It looks a little better in the picture than it was, there was a lot of rust and grime and mud wasp nests on it.


Brought it home and set to cleaning it up. I pretty much had it all apart other than taking the motor out. In addition to a lot of cleaning and polishing I replaced the petcock seals, battery boot, battery, grips, fork seals/boots, master cylinder, flasher relay, oil/filter. Found a better right side cover. Probably some other stuff I am forgetting.

Carbs were thoroughly cleaned and new fuel lines and inline filters, I put the gas tank in a drum tumbler, the outside of the tank was wrapped in foam to protect the paint, the inside had ceramic tumbling media and simple green/water. The tank wasn't horrible but the tumbler did a real nice job on it. Airbox and filters were thoroughly cleaned.

The forks were cleaned and rebuilt, the chain and sprockets were in good shape so they were cleaned and reused.

Anyhow this is what I ended up with

I have had it out on some short rides and it runs and rides great. I see why these bikes are so popular. There are still some little things to do like new cables and such but it's back on the road. And it sounds great with those mufflers, yes there are baffles in them, not to quiet, not to loud.
« Last Edit: Nov 11, 2014, 21:18:48 by Powderfinger »
Bikes:
2007 KTM 300xcw 2 stroke woods bike
1975 Yamaha XS650 http://www.dotheton.com/forum/index.php?topic=63404.0
1971 CB750 http://www.dotheton.com/forum/index.php?topic=62540.0
1976 KZ400 S cafe racer project http://www.dotheton.com/forum/index.php?topic=51850.30

 

"Well, I try my best To be just like I am But everybody wants you To be just like them" 
Bob Dylan

Offline Tim

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Re: 1975 Yamaha XS650
« Reply #1 on: Nov 12, 2014, 00:07:36 »
That was a very solid score at $1/cc.  Nice find.  Don't cut it up :)
"Quality . . . you know what it is, yet you don't know what it is. But that's self-contradictory. But some things are better than others, that is, they have more quality. But when you try to say what the quality is, apart from the things that have it, it all goes poof! There's nothing to talk about. But if you can't say what Quality is, how do you know what it is, or how do you know that it even exists? If no one knows what it is, then for all practical purposes it doesn't exist at all. But for all practical purposes it really does exist."

Offline Powderfinger

  • Posts: 250
Re: 1975 Yamaha XS650
« Reply #2 on: Nov 12, 2014, 08:55:48 »
Yeah, I knew I had to move fast when I saw the ad. $650 was the asking price and there was no negotiating, the guy said 15 other guys had contacted him, This was in half of a day. I was pretty close by and able to make it over that afternoon so it worked out for me.

No plans on cutting or modifying. Hopefully I saved it from someone that would have chopped it up:)
Bikes:
2007 KTM 300xcw 2 stroke woods bike
1975 Yamaha XS650 http://www.dotheton.com/forum/index.php?topic=63404.0
1971 CB750 http://www.dotheton.com/forum/index.php?topic=62540.0
1976 KZ400 S cafe racer project http://www.dotheton.com/forum/index.php?topic=51850.30

 

"Well, I try my best To be just like I am But everybody wants you To be just like them" 
Bob Dylan

Offline bradj

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Re: 1975 Yamaha XS650
« Reply #3 on: Nov 22, 2014, 18:50:31 »
That turned out great you should be proud I wish you would've sold it to me haha just kidding

Offline wfo speedracer

  • Posts: 113
Re: 1975 Yamaha XS650
« Reply #4 on: Nov 22, 2014, 21:27:25 »
Very nice , so glad to see one if these restored instead of turned into something ugly and unridable !

Offline Powderfinger

  • Posts: 250
Re: 1975 Yamaha XS650
« Reply #5 on: Nov 24, 2014, 08:27:28 »
Thanks guys, yeah they are cool bikes. Fun to ride, easy to work on.


Brad, I am finally starting on that T500. I bought another one last week w/o a title but should have enough parts now to build a stock and a custom. I just stripped the first one down to the bare frame and cases. 
Bikes:
2007 KTM 300xcw 2 stroke woods bike
1975 Yamaha XS650 http://www.dotheton.com/forum/index.php?topic=63404.0
1971 CB750 http://www.dotheton.com/forum/index.php?topic=62540.0
1976 KZ400 S cafe racer project http://www.dotheton.com/forum/index.php?topic=51850.30

 

"Well, I try my best To be just like I am But everybody wants you To be just like them" 
Bob Dylan

Offline bradj

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Re: 1975 Yamaha XS650
« Reply #6 on: Nov 25, 2014, 01:54:58 »
Put the center braces in the one you are building

Offline Powderfinger

  • Posts: 250
Re: 1975 Yamaha XS650
« Reply #7 on: Nov 25, 2014, 20:03:44 »
That's looking real good. I see you also moved your shock mounts. What swingarm are you using?
Bikes:
2007 KTM 300xcw 2 stroke woods bike
1975 Yamaha XS650 http://www.dotheton.com/forum/index.php?topic=63404.0
1971 CB750 http://www.dotheton.com/forum/index.php?topic=62540.0
1976 KZ400 S cafe racer project http://www.dotheton.com/forum/index.php?topic=51850.30

 

"Well, I try my best To be just like I am But everybody wants you To be just like them" 
Bob Dylan

Offline KSwissdowntown

  • Posts: 2
Re: 1975 Yamaha XS650
« Reply #8 on: Apr 30, 2016, 12:04:41 »
Hey real nice builds.  love your KZ and CB especially.  i have a stock 79-CB750F but the engine needs some serious TLC.  yours buffed right up what process /materials did you use to clean up your engines?  do it by hand or use a power drill buffer?  thanks

Offline Powderfinger

  • Posts: 250
Re: 1975 Yamaha XS650
« Reply #9 on: May 01, 2016, 09:16:42 »
Thanks KSwiss, Those motors were done with mainly wet sanding by hand. Start with about 150 or 220 grit and sand through all oxidation and defects then use 320, 400, 600, etc.  until you get it to the shine you want then buff depending on desired finish.

The first step with the coarse paper is the time consuming part, the rest of it goes pretty fast.     
Bikes:
2007 KTM 300xcw 2 stroke woods bike
1975 Yamaha XS650 http://www.dotheton.com/forum/index.php?topic=63404.0
1971 CB750 http://www.dotheton.com/forum/index.php?topic=62540.0
1976 KZ400 S cafe racer project http://www.dotheton.com/forum/index.php?topic=51850.30

 

"Well, I try my best To be just like I am But everybody wants you To be just like them" 
Bob Dylan