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  1. G

    MAC 2 into 1 Exhaust Install

    Yeah I noticed that same issue with the exhaust studs. When I put the new copper washers on they are obviously not compressed so I had to try to get the nut to catch as best as I could. After some messing around I got the nut to catch enough to tighten it onto the exhaust. Going with the longer...
  2. G

    MAC 2 into 1 Exhaust Install

    Yeah I noticed that it has a lot more power now. It also starts and idle's better. Once I replaced the exhaust I pulled the carbs and cleaned them pretty well before rejetting so I am sure that also helps.
  3. G

    MAC 2 into 1 Exhaust Install

    I rejetted the carb and adjusted the needle. I think it really depends on a lot of things (altitude, current jets, condition of carbs). I actually installed the MAC kit on my bike without adjusting the carbs but I bought a jet kit from 6sigma on ebay and he sent me 142.5 jets and told me to...
  4. G

    MAC 2 into 1 Exhaust Install

    Here is the bike with the exhaust on it. Sorry it is a bit blurry
  5. G

    MAC 2 into 1 Exhaust Install

    I just did this install on my 78 XS400E It was pretty easy but I was getting a little exhaust leak on the left side so I bought new copper exhaust gaskets and put them in and now everything is working great! I rejetted the carbs. Stock in my bike for the main jets was 132.5 and I put 142.5's...
  6. G

    Having a strange issue with starter button

    I got an aluminum one and put that in. The issue was caused by the button housing. When I tighten the screw that connects the button housing to the right controls it compresses the housing in a way that will not allow the button to push in enough to start the bike. I loosened the screw a bit and...
  7. G

    Button, Button who has a button???

    I got mine yesterday but have not put them in yet.
  8. G

    Button, Button who has a button???

    I sent him an email and he said it is shipping today so I should be all good. Thanks Vroom4
  9. G

    Button, Button who has a button???

    Did you get your button SlickRick? I ordered mine but I have not gotten a tracking number or anything and this thread is making me nervous
  10. G

    Having a strange issue with starter button

    Hey XS400 forum, I have a 1978 XS400E that I have had for about a year now. It is my first bike and I am loving it. I recently went to start the bike and the starter button popped out and fell on the ground. I pushed it back in and the bike started right up so I could get home. The...
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