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  1. Tiesco

    wheel whine

    Hello everyone. Getting ready to address an issue that started before I put the bike away last summer and went to college. I changed the front tire last year and since then the front wheel has been whining. I held down the wheel by bolting it to a table through the axle hole because the old tire...
  2. Tiesco

    Question about ignition modules

    So I picked up this ignition module off a 90s chevy truck and before I found a diagram for the ignition system for the truck I was wondering how you would figure out what wire goes where? On the module I pulled off an isuzu truck it was labeled "+" "-" "bat" "coil". On this one its just labeled...
  3. Tiesco

    Butterfly Plates

    I have been trying to source out some throttle plates for a while for my BS38 carbs and I have had some trouble. Could anyone point me in the right direction? Thanks in advance.
  4. Tiesco

    What should I do with this tank?

    This tank came with the bike and has a nice dent in it from being crashed. Its kinda rusty inside. Should I restore it or put it up for grabs or just hang it on the shelf?
  5. Tiesco

    Strange wear on throttle body.

    I noticed this on the left carburetor today. Clearly it's from the throttle plate rubbing but what's causing it to be pulled like that? These are BS38 carbs that I have the carbs completely apart at the moment while I'm waiting for parts. Is it anything to be worried about? I can rub my nail...
  6. Tiesco

    Cheap DIY Electronic Ignition

    Before I begin I would like to direct you to this thread. ( https://xs650temp.proboards.com/thread/7899/19-junkyard-electronic-ignition ) It's pretty straight forward and Mr. Riggs knows much more than I. Please correct any misinformation that I spread. I'm still learning as I go along. I plan...
  7. Tiesco

    Sold / Found / Inactive - Points base plate

    Is anyone willing to sell me JUST the points plate? No contact breakers or anything. Just looking for the plate they mount to.
  8. Tiesco

    Sold / Found / Inactive - luggage rack or grab bar for standard frame.

    anyone have either a luggage rack or grab bar for a standard frame for my 77?
  9. Tiesco

    Sold / Found / Inactive - 125 main jets for bs38 stock carbs

    I have a 77 and I'm looking for some bigger main jets. If you have 127.5 main jets too I'd love to take them off your hands too.
  10. Tiesco

    Theory and Operation? BS38 Carbs.

    I'm looking for a good source of information and possibly a troubleshooting guide for bs38 carbs as well as just how to tune the carbs. It appears as though I'm running a bit lean and I'm not entirely sure how to adjust the carbs. I'm running pods. And I have bought new manifolds from MikesXS...
  11. Tiesco

    Where have you been?

    I don't know if this forum has a thread about road trips you've been on or plan to go on your XS. I'm interested in the places your bike has taken you. Just curious. Pictures are appreciated too.
  12. Tiesco

    Sold / Found / Inactive - maxi maroon side covers

    I was wondering if anyone out there has either a set or just the left side cover off a 77 maxi maroon XS?
  13. Tiesco

    A struggle setting points.

    Hello yall. I've been struggling set the points(as the title implies). My deal is I am able to get the right point to open at the correct time in the "full retard" position but the left wants to open way at the full advance mark. This is my first experience with points. Could it be that the...
  14. Tiesco

    important engine oil question

    So I have rebuilt my motor about a week ago and I was wondering what type of oil I should run? The manual says 10w-30 so I'm gonna run that weight. A friend of mine mentioned oil that contains zinc which is good for flat tappet cams and for breaking in older motors. So I'm just curious if...
  15. Tiesco

    What exhaust headers are compatible?

    Hello, i was wondering if different years of exhaust headers will work with a 1977 xs650 and be able to bolt onto the frame? I'm looking at a pair on ebay that are pretty cheap and are either off a 71 or 72.
  16. Tiesco

    1st oversize pistons/rings clearance?

    Hello again. I was wondering if Mikes XS pistons have a specified skirt clearance because I know sometimes some brands have certain clearance. Also, what would the ring gap be and again does Mikes XS have a specified ring end gap? These are questions from the man boring the cylinders.
  17. Tiesco

    Mikes XS Transmission bearings quality?

    Hey, I'm new as a member of this forum and it seems like a pretty tight-knit community. Seems pretty cool. I was curious if any of you guys had ever used the bearings that Mikes XS sells. I only ask this because I bought a set and the needle bearings just didn't seem like they were of that high...
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