Search results

Thanks for your help!!!! I think I just need to take a break from this bike and go back at it later!!!

Been through these carbs now at least 5 times and all looks brand new including the diaframs!!!! Not to sure what else to do!!!! If someone has any pics of how the butterfly's are when the carbs are sync...from what I read they both should open evenly at the same time...but how far should...

Well got the new air/mix screws today and installed them in the carbs......AND STILL THE SAME PROBLEM:wtf: Not too sure what else to do with this bike.....it idles fine......and if I pull out the choke it revs up like a bastard...so I assume the choke is working right!!! How do I know when...

Thanks oliver!!! I have another stupid question ....I know the bike is a 1978 xs400 but how do I tell if its xs400e... or what ever it is!!! I looked for the proper float height but not sure which one to go by... hope someone can shed some light to which model this bike is!! The vin#...

I hope that will do the trick......One other question, if the bike idles fine but dies when on the throttle....could it be off timing??? I haven't checked the timing yet maybe something I should also take a look at!!

Ya I removed the broken bits and checked it with a flash light and I can see the light through it!!!

Thanks for all the input guys!!!! I could not wait till tomorrow so I went back out to the garage and put the carbs together....I ordered two air/fuel mixture screws on friday...the pointed ones....the ones in the carbs have the tips broken off both but I wanted to try with the ones I have but...

THe filters are the ones that fit in the stock air boxes!!!! I removed the carbs again tonight and removed all the jets and emulsion tubes and sprayed carb cleaner in all passages and blew them out with compredded air!!! I will take a few pics of the carbs in the morning to show you guys and...

Thanks for the help guys....when I removed all the jets fro the carbs there were no rubber o-rings to be found!!!!! As for the air filters they are the new aftermarket ones!!! Can someone be a little clearer on which jets have the rubber o- ring??? there are screw in jets and the back of...

Hey guys im new to the yamaha bike thing and just picked up a 78 xs 400 that is in pretty good shape!!!! the bike starts fine and idles great but it dies when i try to twist the throttle???? I have totally stripped the carbs and soaked them 3/4 times and blew them out with compressed air and...