Recent content by tim4891

i have a 1977 yamaha xs 400 that runs great everything works and i ride everyday not sure what is worth but i would like to trade for a bigger bike that me and my wife can be on together.The bike has some comsetic isssues but it is a great runner.If you have a bigger bike and are interested in a...

the points were sparking between the gap maybe 1 time every minutes or so... but i took the carbs of tonight and boiled them in lemon juice thru them back together and so far so good going to take it for a long ride tomorrow ill let you know how it goes

yeah thats how i installed the new points is taking the plate off... the bike is running way better but i am still having issues with the bike cutting a cylinder out after i have been riding for 10 minutes or so and pops back in every once in a while for a brief second i also noticed that i...

bike is running way better now thanks for the help guys

sweet thanks for the help man i picked up new points today and i am goin to install them tomorrow and mess with the timing some more ill let you guys know how it goes and if i have anymore problems

i messed with timing a bit tonight but the points are not opening on the right marks they are the light is turning on a lt and just past rt i tried adjusting the timing by moving the ignition plate how it shows in the repair manual but the description is pretty vague and even when i tried...

i checked both have spark but it is eratic, i also noticed with the point cover off that im getting sparks between the gaps could this be cause the issues im am having?

I recently bought a bike that had sat for over 3 years ,its a 1977 xs 400 i worked thru most of the issues but there are still some problems i need help with. The bike picks and chooses when it will run on both cylinders some times it will only run on the left cylinder others only on the right...

got the starting issue figured out it was dirty points they were still caked in oil!!! thanks for the tips im going through the carbs again tonight to take care of a rough running issue

thanks to all the replies

is its possible to convert ignition points to an electronic ignition on a 1977 yamaha xs 400 if so how costly and difficult is this do

sweet thanks man

could someone point in the direction of where i can get a carb rebuild kit for a 1977 yamaha xs 400 thanks in advance

just a guess with out a pic but does the other side have the same screw. if it does it could be for the starter jets if the bike is equipped with a enricher rather than a choke

H i guys im new to the forum and just purchased a 1977 xs 400 that had been sitting around for a few years since it last ran. I got the bike running with little effort but noticed a substantial amount of oil leaking from behind the points cover. My first mistake was high temp rtv gasket sealer...