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    Sitting in storage a few months, pool of brake fluid on rim. Steel brake pipe?

    1975 stock XS650B. Had the bike in storage a number of months. Came back to it today and found brake fluid pooled along the wheel rim and some had dripped down onto the tire. I wiped it up, and noticed a trail coming down the rotor and from where the metal brake pipe meets the caliper. that...
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    Starter button intermittently kaput, also bike sputters and dies. Not solenoid or safety relay

    1975 XS650. Fully stock head-to-toe, except a Pamco + e-advancer, and a solid-state regulator/rectifier. Last year, I had this weird issue where every once in a blue moon the starter button wouldn’t work. I would push it, and either absolutely nothing happened, or I would hear a click. So I...
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    Stuck bolt that spins freely, in awkward spot

    On my stock '75 XS650, a bolt is stuck but spinning freely. It's the lower bolt that the left airbox mounts to the battery box. This means I cannot remove the left airbox, which makes removing the left carb nearly impossible. The thing is, that spot is very awkward. The rear of the bolt isn't...
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    Can I use dead cylinder method to sync barb-less carbs with a Pamco / Boyer ignition?

    Hello, I have a stock 1975 XS650B. The points are finally getting to me. I'm thinking about getting a Pamco electronic ignition. According to the Pamco website, it says the ignition requires a special dual-output ignition coil. Here's a link to it. So here's the issue. The BS38 carbs on...
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    Horn and headlight out, everything else works

    So I'm on the final steps of my winter project on my stock 1975 XS650B, and the engine starts fine, everything works, thanks to you guys. But I hit one final snag: the electrics. The headlight and horn don't work! I've disconnected and re-wired it five times and it's driving me nuts. In detail...
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    Pistons with new rings stuck in the jug

    Hello, I'm knee-deep in a top-end rebuild on a '75 XS650B. I've had a few hurdles but thanks to this forum you guys have helped me through. Unfortunately I'm really stuck now. Literally. Background: After a successful honing job on stock cylinders within the jug, I put new stock-sized piston...
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    Cam chain master link riveting job, is it OK if it's not perfectly centered

    Hello, I've been up and down the forums about the best way to rivet the cam chain master link, which turned out to be more of a pain in the ass than I had anticipated. I tried many of the methods described, using the Emgo tool from Mike's XS. After failing on the first master link, I bought...
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    Removing advance unit retainer nut

    Hello, I have a '75 XS650B, about to do a top-end rebuild. I've removed the points on the left side, remove the rod, and have removed the advance weights/springs on the right side. But I'm stuck on removing the advance unit plate. It seems to be attached by a cogged advance retainer nut...
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    Cause of chattering / clattering sound from 1975 XS650 engine, seems louder recently

    Stock 1975 XS650 with about 13,000 miles, I'm the 2nd owner. Bought this bike in late spring. Most parts original. Decent shape mostly aside from a few fixed age-related stuff. I've always noticed a consistent metallic chattering/clacking sound from the top of the engine, which wasn't exactly...
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    1975 XS650 dies after 10 minutes warm. Doesn't start until next day

    I recently got a stock 1975 XS650 B. It's in pretty good shape; it's not a basketcase. Brand new AGM battery, cleaned carbs. The other night, the bike died on me in the middle of traffic. The start button did nothing at all. I parked it and took the subway home. The next day I thoroughly...
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    Unidentified rubber part from an accidentally tipped-over XS650B

    Hello, Well, stupid me. I tipped over my bike when taking it off the center stand. :doh: Luckily it wasn't a total fall, I felt it tipping and slowed the fall enough to prevent damage. I picked up the bike, and thankfully there was no damage — except for this little rubber thing bounced on...
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