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I'm currently in the middle of tearing down the top end of my motor(1980 XS650) because it bent a intake valve last fall when the valve spring retainer split in half. My clutch was also slipping last time I was riding it and I had already adjusted both ends of the clutch cable. I'm going to be...

So I'm having an odd problem with my 1980 XS650 that has seemed to develop within the past couple of weeks. Whenever I go to start the thing with the electric starter, it will crank over perfectly fine but won't fire up until I let off the starter button (when the engine is attempting to slow...

So after getting an 1980 XS650 last year that had a lost title and a plethora of issues, I am finally on the road this summer and fall. So far its been an awesome bike but I am finding that my carbs may need a bit of an upgrade / adjustment. I have the BS34's with pod filters and a 2-1 exhaust...

So my bike fell over not too long ago and before it did it did not make this noise. Before it fell the timing chain was tensioned correctly and valve clearances were in spec. I've just recently re adjusted the cam chain tension, but haven't adjusted valve clearances yet. I don't see why they...

So my poor baby took a bad fall in the garage not too long ago :( and the result of that fall is a dented gas tank. Was doing some work on her with the center stand down and somehow I bumped the bike wrong and she came down on her right side. Oh well live and let learn. Here are some pictures...

Okay so I have a 1980 xs650 with a pretty much stock break setup with a single caliper/disc setup and a cheap $25 eBay 14mm master cylinder. I got the aftermarket m/c because the original 14mm Master cylinder was pretty much shot and beyond repair. Here's a picture of most of the current setup...

Okay so I drained the oil in my 1980 xs650 for the first time and found the usual gunk and tiny bits of metal that seems somewhat normal from what I have read on this thread. I drained the oil out and took both filters out and they look like they are in pretty bad shape. Here is some pictures...

I have a 1980 XS650G that is in need of a new set of tires. Front tire - 100/90-19 Rear tire - 130/90-16 I was looking at 80% 20% dual sport tires, but there are not many options for 16 inch and 19 inch rims. Most of the other dual sport tires I was looking at were 60% 40% and I am just looking...

Encountered a larger problem when taking apart my carb for the second time and believed it deserved its own thread to try and figure out what to do with this thing.

The Bike I have a pretty much stock 1980 xs650 that I am trying to get back into road worthy condition. I have pretty much got this thing ready to go but I am having a carburetor issue(or at least that what I think is the issue). The carb is a BS34 Mikuni and I have no clue if the main jets have...

Video showing and better explaining issues - Hello, this is my first post on this forum and I hope y'all can help me out with this one. I have recently acquired a 1980 Yamaha XS650 that was not in too bad of shape. I'm new to motorcycles and never worked on one before, but I have experience...