Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Enjoy XS400.com?Consider making a donation to help support the site. XS400.com receives a small share of sales from some links on this page, but direct donations have a much greater impact on keeping this site going.
Totally totally totally cleaned out the carbs .... Twice ... Now she flys like a bat out of hell ... I'm amazed at how much power this little 400 has .... Lol
Pulled plug wires and both cylinders are firing
Starts without choke .... Idles ok
I think I should pull the carbs and have them rebuilt by a professional
Hey hey hey .... XS400 maxim .. feels like it's only running on 1 cylinder and runs rough ... When I accelerate and use the choke I get a big boost in performance ... Like it's been starving for fuel
What's the best way to check if the cylinder are firing ?
Pull the plug wire and start it up?
It might be a 400 which would be way cooler for me ...
Is there any way to read the VIN and see what size the motor is ?
I purchased it today and taking possession of it tomorrow morning or I would have pictures to send
I have the pink and registration that states under body type is RS
Under...
Hey folks
I picked up today an 82 Yamaha 250 YCIS for cheap .... It runs and I want to go ahead and give it that flat track look ... Can anyone tell me exactly what bike I have and some things I should look at right away
Thank you for any and all help
Sold sold ... Soldnelling my 1980 XS400 ...all stock ... Runs great ... New battery ... Front inner tube ... New rear brake shoes ... Have paperwork from a lein sale .... Everything is legit ... Shifts really really smooth ... Bike is in southern California
Yes all stock. ... Pulled the plugs that are brand new .... One was all black and oily .... The other looked almost new .... That was the one from the blue header .... Hooked up my inline spark tester .... Turns out only one coil is firing so I'm gonna leave the carbs alone right now and find...
I've been taking out my xs400 every couple of days and running her around the block . Today I noticed that one of my exhaust header is really turning dark blue and the other side is looking normal .
Is this a sign something is wrong ?
I just got the bike up and running and I haven't put more...
I had to get the bike on the road .... So I tapped into the brown wire after the fuse and jumped power to the R/W wire before the fuse so that there is a little bit of fuse protection and I can turn motor on and off with the ignition switch key
I realize this is only a temporary fix until I can...
Is there a way I can use a jumper wire inside the headlight bucket that would bypass the run/stop switch ? .... Leaving the switch in the run position and using the ignition key as my on/off ? .... That would tell me if my switch is bad cause I ran a wire from the battery to the R/W wire and the...