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Hey y'all, it's that time of year again. I picked up a decent motor and frame with little compression, I was wondering if I could bolt on a BBK and nothing else? Are they pretty much plug n play? Im not looking to spend any more than maybe the kit, so maybe just get it a size or two over bored...

Hello all, I've been having trouble with my 81 tci stock xs. Been riding around all summer with little issue and now I took it on a longer ride (50+ miles) and it started choking out and acting like a carb was clogged. So I went through the carbs, checked my clearances, adjusted cam tensioner...

Hey guys. I've been dailying my xs all summer cause someone totalled my jeep. It's been running great after a fresh rebuild for months, but the other day I was riding and it seemed like the carbs were clogged at first cause it started backfiring and lagging a lot out of no where. Now I can't get...

I'm at work and looks like I'll have to push it the mile home, I recently rewired it and have ridden it about 200 miles with little issues, but when I kicked it over on break it "popped" and started rolling out white smoke from the ground wire from the battery. I tried bypassing the switch and...

Hi guys. Rebuilding motor on me 81 xsH and I saw thatthere was a good bit of play in the con rods... is this normal? Thanks guys, safe riding 👊

Hey guys, I was wondering what this rectangular thing coming off the rec/reg represents?

Hey guys, I'm about to put on a new head/base gasket to my 81 using the gaskets from https://www.mikesxs.net/yamaha-xs650-standard-overhaul-gasket-set.html The package says "NE BRAND SUPER GASKET" underneath it says "Special chemical & mixture have been treated to the gasket materials in order...

Hey guys n gals, it's me again. I got the old bucket put back together today after a top end rebuild, and it fired right up, second kick! But something's just not right... it sounds like it's knocking pretty good from somewhere. Or maybe it's more of a tapping. Anyway, I've been lead to believe...

Hello all, I was just wondering what the difference between these two diagrams? Is the simpler of the two really that simple? I have all my components to build the harness, I just want it basic as possible. Any thoughts, suggestions? It's a 1981 kickstart only with pick up coils. And dont say...

Do you really need the pma/pamco to run a bare bones harness? If so would I have to keep the tci ignition? Trying to make a simple bobber/chopper harness, the simpler the better, with what I have. I plan on re using wires and I'm going to shrink wrap and make it nice. The stock harness worked...

Hey guys, been a while since I've been in the garage on account of me breaking my arm pretty bad, but I'm back at it now more than ever. Last time I rode the old man he started blowing smoke real bad on the right side and wouldn't stay on. Maybe lost compression? Anyway I said f**k it I'm gonna...

Hey guys, been a while since I've been in the garage on account of me breaking my arm pretty bad, but I'm back at it now more than ever. Last time I rode the old man he started blowing smoke real bad on the right side and wouldn't stay on. Maybe lost compression? Anyway I said f**k it I'm gonna...

Hello all, been a while. I broke my arm pretty bad so I wasn't able to work on Godric but I'm back and more fervent than ever. Last I rode the old man he was blowing smoke out the right side and wouldn't start so I decided to park n fix him I didn't notice the blown fuse until after I tore it...

Hey yall, so I made a post yesterday concerning my ignition fuse blowing repeatedly and the problem was a loose ground which I fixed. So I had the bike fired up this morning (81 xs stock) letting it idle, running seafoam through the system and whatnot, no problem. Had it idling for half an hour...

Hey yall, I almost had this bike (81 xs stock) ready for the road, but recently it's been blowing the ignition fuse. On my numerous test rides up until recently it hasn't been an issue, but now it's eating through fuses and today I couldn't even get it started. The ignition fuse gets wicked hot...

Hey yall, I'm getting the kinks out of my $300 runner, and it seems to be all there, except for the delay I get when I hit the throttle. I'll get it going in 1st and it kinda "blab blab blab VROOOOOOM's". I'll throw the gas to it and it'll go, but it kicks off like a scalded dog after a few...

So I want a semi naked look on my 81 xs and I was wondering if this duracell would work well? It's a 12v .8ah I only plan on using the kickstart

Hey guys n gals, I picked up my first bike yesterday, an 81 xs650 for 300 which I have dubbed Godric, or "God-ruler". Dude said it was parked back in 2014 but ran well when he parked it. So I start cleaning all the important stuff, oil pan, filters, gas tank, carburetors, etc. And I noticed...