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  1. X

    Oil type

    Hey everyone, I think my plates are sticking together. My bike sits alot. I read that Yamalub 10w40 ATV oil is good for that. There is also quicksilver full synthetic both on Amazon the full synthetic is only a couple bucks more. What do you guys think. Thanks!
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    bleeding rear brakes

    Hey everyone, im trying to bleed my rear brakes, I bought a new master cylinder from Mikesxs, I used the syringe method to makes sure very little air was left in the system, ok so I got the master cylinder back on, went by the directions in the work shop manual and its not working, I keep...
  3. X

    rear brake master cylinder

    Hey everyone, I need to replace my rear master cylinder, I am going to buy the complete assembly from Mikesxs, I noticed that the tech section only shows the front master cylinder removal, I can't find anything online that shows how to completely remove the rear master cylinder assembly. Any...
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    Rear brake not working

    Hey everyone, I have a 1980 xs650, the brakes have been freezing up, I took the front one apart, cleaned and lubed the piston, works great now, I did the same for the back, but now the back isn't working, does the motor need to be running for the back brake to work, the master cylinder is full...
  5. X

    petcock leaking

    One of the rubber sealing washers broke on the underside of my petcock, gas leaked everywhere, where can I find these, they are the all rubber ones, are there better ones that are more durable? Thanks!
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    Oil seeping from left side of engine

    Hey everyone, I need to re-torque all my head bolts, but the washers that are on there now are steel, they aren't copper, none of the studs on top of the engine have copper washers, they are all steel, what kit do I need to buy at mikexs so I have copper for all of the studs. I have a 1980 XS650...
  7. X

    Fuse is blowing

    Hi everyone, for some reason my headlight bulb keeps blowing, It has a 20 Amp, is that right? its been fine up in till now, The fuse panel has a 10 Amp for ignition, a 10 Amp for turn signals, a 20 Amp for headlight and a 20 Amp for main. When the bike was running the low beam headlight was...
  8. X

    Carb syncing

    Hey everyone, I want to sync my carbs, I have a 1980 XS650 Special with BS34 chrome top carbs, I have the 4 gauge kit for my 1973 Honda CB750, I know I will only use two of the Gauges, I know how to hook them up, I need to know how to adjust them, what do I turn? I did do a bench sync before I...
  9. X

    strange occurance

    OK, I have been working on getting the blue light in the tach. to go on when I turn on the high beams, well, I got it to work, but now the bike wont start and when i try to start it the headlight comes on, then it stays on till I turn the key off, if I go to turn it back on with the key on it...
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    Hard downshift

    I seem to be having a hard time down shifting, I have to kinda kick it down to shift down, what adjustment would that be, turn the adjustment screw till it touches the push rod, then turn it in a little further? I got it adjusted good at the handlebars, my hands a little small so I got it...
  11. X

    high beam indicator not working?

    I have a 1980 xs650 special and in the right dash there is a blue light that says high beam, is this supposed to light up when I turn on the high beams, or light up if the low beam burns out to let me know the high beams are on? Thanks!
  12. X

    alternator housing removal

    Im trying to get the alternator housing with the wiring off the motorcycle but there seems to be a part that bolts on the lower part of the motor, the wires run behind it, so I cant get the wiring out till that part is removed, I took off the bolt that holds it but it still won't come off, i...
  13. X

    Safety Relay gone bad?

    Hey everyone, I have been trying to troubleshoot my headlight not working, I have a 1980 xs650 special, while the bike was running, I pressed the starter button and the starter worked while the bike was running, I heard the safety relay controls the starter from working and turns the headlight...
  14. X

    steering lock

    Hey everyone I have a 1980 xs650 special, I noticed when I lock the steering there are two clicks the first one locks the steering, then you can move the key back again, and its still locked, is there reason for the second setting for the key? I hope you understand what I am trying to say, its...
  15. X

    carbs backfiring

    Hey everyone, I have a 1980 xs650 special, with the BS34 carbs, I readjusted the cam chain, I re-lashed the valves, I totally cleaned the carbs and rebuilt them with a basic rebuild kit it has new spark plugs, but the wires and the caps are not new, but they look in new condition. I set the...
  16. X

    Cam chain adjustment

    How far is the pin supposed to petrude when turning over the engine, mine pops out about 2MM past the surrounding metal, should it be flush with surrounding metal, then go back in? Thanks!:)
  17. X

    tappet adjustment screws

    Hey everyone I went to adjust my valves and the adjustment screws have a little wear to them, should they be replaced with a little wear? When do you know when to replace them? Thanks!
  18. X

    spark orange not blue

    I checked my spark and I am getting a medium orange spark, not a big blue spark, so I though it might be the coil, when I removed the gas tank, the coil that is there looks just like the ultimate coil that mikexs sells. Did these bikes comes with coils that look like the Ultimate high output...
  19. X

    bad stator, alternator??

    When the bike is idling its putting out 12.5 volts when I rev. the motor to 3000 RPM's I get 13.3 volts, does this seem low? Thanks!
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    dashboard lights

    I have a 1980 xs650, can someone explain what the lights on the dashboard are supposed to do, the middle red one on mine tends to go on and off as the bike idles. Thanks!
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