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    1981 xs400SG Brakes Overhaul or update them?

    Having assessed the front brakes on this beast, i have come to the conclusion that everything must be rebuilt or replaced. Is there an updated master cylinder / caliper setup someone can recommend? Or should i just get the kits for my original MC/C, and try to rebuild them? The originals are in...
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    Has anyone tried using a RU-2970 K&N air filter?

    I have been researching air filters since mikesxs is out of the 57mm ones that fit my carbs. I came across the dimensions for the RU-2970. I believe it might just fit in the small space directly off of the carbs. It is a dual inlet, single filter. The inlets are 60mm and the center to center...
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    broken exhaust stud not cooperating

    This stud was broken off flush when i got the bike. I figured it would come out fairly easy, but it has not budged. I am at a loss as to what to do. Any ideas what to do from here?
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    1977 breaker cover does not fit on an 1981 FYI

    I picked up a rotor cover from ebay "from a 1977" because it was missing from the bike i "found". It looked to me like it would fit, so $19.98 later i own it. Well the pattern is the same, but it is not deep enough. The rotor hits the cover 1/4 inch before it is even tightened down.:wtf: If...
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    Anatomy of a stock 81 muffler

    Since my mufflers are rusted out, i decided to break out the plasma cutter and learn how to use it. After cutting the mufflers from the headers, i decided to slice one of them open for practice. Plasma cutters are amazing! Mine is only a 110 volts and it slices through the mufflers like butter...
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    Abandoned: jets for my 81 XS400SH

    Hi all, I have been dismantling/cleaning the carbs to see if I can get this beast running. I have a few questions about what i found. I can tell someone worked on the carbs, but i do not know if they changed jetting. #1) The pilot screw plugs were still installed. I removed them, and the...
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    Abandoned...found a bike in the bushes.

    Hello all! I found this forum soon after i joined the Yamaha owners forum...I think this forum will be better for me. My story: I was doing an A/C job at a house, and there was this pile of junk motorcycle in my way. I asked the owner of the house if i could move it out of my way, and he...
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