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Hi guys, I have a 75 XS650B that is 95% original. Just my Pamco ignition and single coil are not original. I've always had problems with my left cylinder. Idle is erratic, sometimes I get a backfire as I start to take off from a light and the engine dies. I've done everything with the...

Quick question guys....I acquired a set of 78 XS650 carbs that are in better condition than my 75's original carbs, for free.....will they work? Any mods needed other than a single throttle cable?

Hey guys, been a while for me. I haven't run my 95% original 1975 XS650B in a while and I've noticed it's running really rich. I switch to free flowing pod filters a couple years ago and I bumped the Jets up to the next larger size and it's always run rich. It would foul plugs once or twice each...

I know this is an XS650 forum and I do have an awesome all original 75 XS650 but I need some help. My grandfather just picked up an all original 67 YR1 with 3k miles. He needs rings and a few other parts and I'm having a hard time finding documentation and specs for this bike. Ebay has several...

WTT a really nice "king and queen" seat in excellent condition for a plain jane standard seat in good to excellent condition. I'll pay shipping! Needs to fit a 75

So, just sitting here thinking and I thought it would be nice if all 4 turn signal bulbs on my 75 would be on constantly with the headlight/taillight. Then when the blinker is initiated the turn signal blinks from on to off instead of off to on......hope that makes sense. lol Anybody toyed...

I have a 75 and both my tach and speedo faces are warped, cracked, and faded. :( I have taken both units apart and removed the faces. I have also photo copied both faces and tried to work my magic on them in Photoshop and print them at work (I work for Xerox) and place the images on some...

Sorry guys I have searched all over and can't find a problem similar to mine. I have a 75 XS650B......all stock except Pamco High Output Ignition, pod filters and main jets that are one size larger than stock. All the rest is stock. My carbs are synced perfectly, floats are both 24mm from...

I did some brief cruising of the threads and couldn't find any help. Just want to see if you guys have some advice for me. I have a 75 XS650 mostly stock except my Pamco High Output Ignition and pod filters. My bike has been running great for a month now but recently I've been having a...

Hey guys, I have a 1975 XS650B. It's bone stock except for the Pamco high output electronic ignition. I was wondering if you guys knew what an optimal running temp would be? Where should it be checked? I have a nice fancy laser temp gun so I can check it anywhere but I'm not sure what's a good...

I am a bit of a novice to the 650xs's but I recently purchased the Pamco "ultimate high output" ignitioin kit from Mikesxs.com for my 1975 650xsb. My problem is with the coil.....it is completely void of any marking except a shiny sticker with the manufacturer's logo on it. It has two prongs and...

Hey guys, new to the forum here but lots of info here....great site! Anyway, I acquired a 1975 xs650b a few months ago and have been working on it all summer. The guy I received it from had it for 20 years and then let it sit for 6 years. I've finally got it somewhat running but am having...