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  1. 1

    Engine stops when throttle pulled

    When I turn the choke on, it will rev at about 3000 rpm. So yes, I turn it on with the choke on, but how long should I leave the choke on? (I am leaving the choke on for about a minute)
  2. 1

    Engine stops when throttle pulled

    I got a '83 seca 400 and I just changed the oil and ran some seafoam through it to clean it out. However, when the bike starts up, the rpms will slowly fall until the engine stops. If I pull the throttle to get it to rev a bit, the engine will turn off. It is not until the engine is warm (which...
  3. 1

    Blinkers acting strange

    Do you have a link to where I can buy the proper bulbs for it? Also, are the bulbs that I have on it okay? Or will there be bad results in the future if I just keep them on?
  4. 1

    Blinkers acting strange

    Thanks for the response. I have tried it when it is running and it does the same thing (maybe it clicks for a slightly shorter interval). In regards to the front left light- I just replaced it yesterday with a new bulb. It was a 55 watt halogen bulb I believe which is what was in the blinker...
  5. 1

    Blinkers acting strange

    So I recently bought a 1983 XS400 Seca and the blinkers are acting strange. Below is a video of my situation and I will describe it here too: So there are two main problems. The first is the clicking sound when I turn on the blinker. When I turn it on (especially the left side), there is...
  6. 1

    Help Fixing some issues with SX400R Seca 1983

    Hey, thanks for all the info guys. I found that the seat has an additional lock on it that must be opened with your hand before using the key to unlock it. I put that hose back onto the petcock and it idles fine now. Do you think I need to take off the carbs, or can I just run seafoam through...
  7. 1

    Help Fixing some issues with SX400R Seca 1983

    Okay, so I can turn my petcock on the 'on' position, drain the float bowls and hope the petcock doesn't have any leaks? Also, where are the molded pins into rubber grommets that you mentioned? I can't find them anywhere! Lastly, do you know how to lift the seat? Here is a video of my...
  8. 1

    Help Fixing some issues with SX400R Seca 1983

    Good call with the screwdrivers- I had no idea JIS even existed! If I take the carbs off, will it leak gas all over? What are the steps to taking off the carb? Also, I want to give the bike a good cleaning. How do you take off the fairings? Thanks again!!
  9. 1

    Help Fixing some issues with SX400R Seca 1983

    Great, thanks for all the information! I guess I'll do two things. 1) Set the petcock in the 'on' position and see what happens when I start the bike. 2) Take off the carbs and give them a really nice cleaning. In regards to taking off the carbs, and advice on the procedure of actually...
  10. 1

    Help Fixing some issues with SX400R Seca 1983

    Thanks for the response. I just want to clear a few things up- So obviously that tube is supposed to be on the petcock. My question is- how was the motorcycle running fine without that line connected? Even with it unhooked, the previous owner drove it to my house. Basically, what does that...
  11. 1

    Help Fixing some issues with SX400R Seca 1983

    Also, this first picture is a picture of the petcock. This is the setting at which it has been in for the last 48 hours and it has been starting and running fine. It has three settings (I think) which are prime, on, and reserve. Is there an off setting? And should it be in the off setting right...
  12. 1

    Help Fixing some issues with SX400R Seca 1983

    Thanks for all the information! I appreciate it. In regards to the choke- I think you are right when you said that when the lever is to the right, the choke is off. So does that mean it is fine? Because it idles well when the choke is pushed to the right. If so, should the choke only be pushed...
  13. 1

    Help Fixing some issues with SX400R Seca 1983

    This is my first ever motorcycle that I bought yesterday for a good price. It has some issues, and since I am not familiar with motorcycles, perhaps some of you could help me. There are links for 2 videos where I describe my problems. Thank you! First Video: Second Video:
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