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I have and 83 Engine number: 5V4-100546 What is the model? Thank you Chris How do you find it also-I also have two 81's

I have an 83, I adjusted the valves and after that left cylinder started blowing oil when I started the bike-I used .006 for the exhaust and .003 for intake. It is really blowing oil from that side. Cylinder plug is also wet with oil-what could have caused this, what is wrong. ?? Chris

I took off the outside cover to change my alternator and a 1/4 bearing fell out-where does it go?

I have a 83 650 chopper-it only has rear light and high and low beam -it has toggle switch for on and off, can I get some help wiring this to the new boyer?

I am getting a boyer electronic ignistion for for my 83 chopper. It has only a front light control by a toggle switch and rear brake controled by the pedal switch. The ignistion switch is a toggle switch-turn on and kick start. I want to remove it all the replace so it looks decent and not...

I have an 83 xs 650, what is the intake and exhause valve clearance? Thanks Chris

My 83 is running ok, the right cylinder seems colder and not as hot as the left. I used new jets, 45 and 140 from 650 central-I did a compression test on the right cylinder the one that is running colder than left-I got a consistant 75psi-when I rev'd the engine it went up to 125-is that ok...

My bike is not charging the battery-just started. How can I check to see if it is the altenator or retifier? I have never none this before so if you can be specific it will help me. I do have a volt meter. Thanks Chris

When you replace the gas tee is their some type of o ring washers that make the seal? Who sells a replacement gas tee with whatever makes it seal between carbs Thanks Chris

If the idle jet rubber seal is bad is it ok to use silicone to seal the top of jet idle jet screw?

Need help with my 83 xs650 backfiring on right side-it starts first kick always, when I roll on the throttle I get backfire, let off and it stops, then roll on again and it acts like the cylinder comes alive and you here the pipes-almost like it was not firing-It has spark and I added the mikes...