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I put a 17 tooth on mine and it made a big difference. Now the bikes runs smoother and vibrations are barely felt. For now, I dont think that I need to change the rear sprocket.

I got the Uni PK-92 pods from Amazon and the bike now runs even better! $30 for a pair of them. Thanks for the suggestion.

Thank you. I don’t see how that will fit on mine. I already bought a pair of pods. I will let u know if those don’t work.

Thank you xschris. Can you suggest where I can get those filters? They use 54mm ID so they are kind of hard to find.

Hi to all members here on the forum. I would like to share some thoughts on my experience dealing with aftermarket carbs. I got my 1980 XS400 for $200 from a widow. The gas tank was perforated and the bike had been sitting on a garage for 6 years. I tried to keep the original carbs but one of...

Thanks. I don't have the mikes. I had her with a single carb but then changed it to two carbs. Mike xs carbs are the ones that you get in Amazon at $30 each. I got the original Mikuni VM30-83 which are the ones that I used on a kawasaki kz that I had and they worked great with her.

Hi to all. I have a 1980 XS400G with brand new Mikuni VM34 carbs. The bike idles perfect at q200 rpm and runs fine but won't get past 4000 rpm when running. After that she is not responding and she keeps running but losses throttle response after 4000 rpm. As I mentioned the carbs are brand new...

So far has been good. I’m rebuilding one of the original carbs so I will try it once it’s done. Only thing missing is a diaphragm. I’ve read about the 2-1 conversions and there is a lot of different results. One of the two original carbs is damaged beyond repair. I know that I could get more...

Of course. I will post some soon!

Thank you xschris. I will look for that thread.

Hi guys I do have the Haynes manual but I didn't find anything related to this. Anyway I started moving cables around and found that there was a bad connection in the fuse holder. Took all cables and solder them back and the bike is alive again! But I really appreciate your responses. Now the...

Hi to all. This is my first post. I bought a 1980 XS400 which was sitting for 4 years in a garage. I bought new carbs, battery and a new tank. She fired up with the kick just fine given that the starter is not working. After this first start she is getting harder and harder to get started. I...