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  1. SpongeBobbed

    Another Boring Engine re-Build Thread: Advice Welcome

    Hi Everyone, I've "built" a few 650s over the last 10 years or so, but am no way an experienced builder when it comes to engines. Over the last few years I put together the bobber pictured below, and have had a lot of fun on it. I know the wheels/handlebars/stance are not set up for a go fast...
  2. SpongeBobbed

    A Couple Engine Issues - should I be worried?

    Hey there, I built a bobber a couple years ago and have been enjoying it a ton. I went on a long ride in the summer and ended up blowing up the top end. I tore it apart and the culprit ended up being connecting rods that were out of alignment. Instead of pulling the crank apart and getting...
  3. SpongeBobbed

    For Sale - 1980 cafe build - parts package

    All parts off a 1980 xs650 special. I built the bike last year and ended up selling it. Purchaser was building a bobber so I was able to keep most of my parts. f you have a '80-'84 xs650 special these will all bolt on in under and hour and you'll have a brand new looking bike! All parts will fit...
  4. SpongeBobbed

    Adjusting \valves - Help Needed

    I tried tackling the valve adjustment for the first time this morning and I've run into some issues and I was hoping to get some help. I've watched the video by wildbill about 10 times and everything looks really straightforward. I have a Hugh's PMA system and was able to find tdc using...
  5. SpongeBobbed

    No Power With New Battery

    Hi There, 1980 special that I've changed up a bit to look more like a quasi cafe. It was leaking like crazy so I took everything apart to put in new seals and gaskets and while I was at it I put in some new parts (brass swingarm bushings, new sprockets, wheel bearings, fenders, etc.) and...
  6. SpongeBobbed

    Can't Remove Countershaft Seal

    Hi There, I started working on replacing my countershaft seal and I got stumped on the first step! I was using the instructions that were posted online and it just says to remove the seal with a small flat screwdriver. Well I tried that and it was stuck in there really good. It wouldn't come...
  7. SpongeBobbed

    Blasting Engine - What Parts to Remove?

    Hey guys, So I decided to soda blast my engine. Bought it last year and rode it for a bit but some unattended oil leaks caused some serious grime. I've spent hours and hours cleaning down the engine but there is a lot of caked on crud that I just can't get to. The engine is in good running...
  8. SpongeBobbed

    What to do? Small hole in left case cover

    So I bought an '80 heritage special last summer to give me something to work on now that my bobber is running. I rode it a couple times and it leaked more oil than I thought possible. It had all the normal culprits, including a loose main sprocket, wrong/no gaskets everywhere, worn push rod and...
  9. SpongeBobbed

    1978 Rat Bobber - Pics and Video - Finished (but needs tweaking!)

    Hey Guys, I put together a quick build thread on this bike previously but I've been having a couple issues lately so I thought I would reach out and see if anyone can point me in the right direction. Finally got my bike together after a few years of late nights in the garage, and I'm happy...
  10. SpongeBobbed

    Crack in Carb Top Screw Mount - Is it bad?? (Pics)

    Hey Guys, So I was having some issues with my bike the other day. When I first bought my engine it came with a set of rebuilt 2-stroke carbs from 650 central but I never used them. I had a decent pair of bs34s that I wanted to use so I those instead. After rebuilding the engine I decided...
  11. SpongeBobbed

    1980 xs650 Cafe - pics and video - a few issues

    Hey Guys, Wanted to show my 1980 Heritage Special. Bought it as a basket case and I've been tinkering with it here and there. I've been working on another 650 for a while, so I wanted something that I wouldn't have to do any serious fab work to. Put new fairing, seat, lights, covers, shocks...
  12. SpongeBobbed

    Gas Pouring Out of Fuel Filter

    Hi Guys, I picked up another 650 a few weeks ago and have been trying to turn it into a bit of a cafe racer. I've been working on a bobber on and off for the last couple years, so I wanted something I could just ride and add a few things here and there. It was a pretty sad sight when I first...
  13. SpongeBobbed

    Canadian XS - Almost done!

    Hi There, I've been following this site for a few years now trying to learn as much as I can, and I finally decided to post my bike. I caught the 650 bug a few years ago when I was in university, and picked up a POS for about $200. I had grandiose ideas of how I would build this bike, but...
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