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There are nine pages of people asking for help and getting few responses because it's separate from the main forum and seldom seen. The new members using this feature (accidentally incorrectly) probably think the forum is pretty useless. http://www.xs400.com/find-new/8203693/profile-posts

I've been meaning to get a video to illustrate but then I took the shocks off to paint... In the meantime: I've been fighting with power issues at low speeds for as long as I've had the bike. Carbs have been investigated and their adjustment is ongoing but there seems to be another issue. When...

Just noticed that the tach cable on my SJ is broken where it connects to the engine. Just the squared part at the end is ripped off. Before I go buy a new one, does anyone know why the part # is different from previous years? Still compatible with older cables...

So I recently installed bronze swingarm bushings. Inner bushing and bolt seem ok. No play between bolt, inner bushing, and outer bushes when assembled. Didn't have any shims when I took it apart. Needs shims now. Can anyone think of a reason why a shim wouldn't work just as well between the...

The starter motor on my XS400SJ doesn't seem to work. Tried jumping it right off the battery. No rotation, lots of sparks. Took it apart last night. Doesn't actually look too bad inside but it's different from the usual XS400 starters. No field coil. Permanent magnets. Four brushes. Looks like...

So my 360 is on the road but not running well. Very poor power when first starting to roll. Died a few times taking off from red lights up slight inclines. Barely pulled across the intersection then dies. Throttle will rev high when stopped but immediately goes down around 2k when in gear...

So I stupidly ordered the bronze swingarm bushings from xs650direct/mikesxs even though they're not listed as compatible with my '82 SOHC XS400SJ. Destroyed the nylon ones removing them. Did a test fit of the bronze bushings over the inner bushing tube and they're pretty wobbly. Just looking...

Hey guys, Through an unfortunate event (read: stupidity) I need to replace a valve guide. Just wanted to double-check before ordering parts. -If I'm doing one it's probably best to do them all, eh? -The combustion chamber is super dirty. Should I have a shop remove the old valve guides, clean...

So my wife came home today with this for me: An early Christmas present. Has the weird 14W VIN prefix. Apparently an '82 SJ. Looks like everyone asking about the 14W VIN is in Canada. Canadian only VIN? Looks pretty good from ten feet away but it was laid down on its right side before being...

With the stock, and rather ingenious, brushless alternator the temperature of the flywheel is fairly irrelevant but with permanent magnet alternators it might be a factor. I believe most PMA flywheels use ceramic magnets which might indicate that temperature is a factor in flywheel design as...

Bought a center stand from him just before going on a two week road trip. Easy to deal with. Was a bit concerned that it would sit on the porch but he timed the shipping well; it arrived on my first day back. Thanks dude!

First off: I do not know this person. Apparently has 3 XS400 motors and another 1/2 motor available, plus maybe a camshaft and some ignition pickup units. He's going to scrap them next week. https://www.facebook.com/photo.php?fbid=10155907025865543&set=pcb.1719338711622535&type=1&theater...

I had posted a few updates in rugbywarrior's thread but as his project has come to an end I will post further updates here. My goal starting out was to produce a drop-in replacement for both the flasher relay and auto-canceller that would be 100% compatible with stock bulbs AND LEDs...

up. Too bad the PO let the baffles rust out of the aftermarket mufflers. There's probably no back-pressure right now at all. The aftermarkets aren't designed to have the baffles removed but I think I can cut them out and have something welded back in. The mufflers do outwardly resemble...

Brake fluid reservoir: Modeled the reservoir from scratch based on my XS360's very aged reservoir. Metal inserts are required to accept stock screws. I have the inserts installed in a prototype and they fit the stock cover perfectly. I haven't been able to test it but bikes where the cap...

The XS650 board might be better suited to answer but I'm not yet a member there. There's a 1973 TX500 for sale near me. I know they are notorious for engine problems but at only 11k on the odometer and apparently running pretty well, I might get plenty of miles out of it. The problems are...

So I had this happen yesterday: A start-up attempt after a wet compression test resulted in filter chunks getting blown back out of the air box. Maybe I didn't turn it over enough after the wet test, before putting the sparks back in. The filter is really old and I did slightly tear the...

There are some heads on Ebay but most include more than I require. Just need the head. I have everything else and can transplant into the new head. I have a centre stand but a foot is broken off. Could weld a new foot on but if someone has a reasonably priced option I'd be down for it...

Tried searching but didn't see anything on the subject. The salvage yard here has a few XS400 headlight buckets that I am tempted to buy. They're pretty scuffed up though. Has anyone had much luck polishing the black plastic housings? I don't mind putting the elbow grease in if someone has...

I'm going over all the parts that I have removed from my XS360 and I noticed that the oil cover/filter bolt does not contain the piston, spring, or pin. I assume these parts form a one-way valve for oil to travel through the filter. No way to know when the PO lost the parts or how long it...