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View Full Version : 400 ex tranny problems ?



2000 400ex kid
01-26-2015, 10:05 AM
My 400ex runs perfectt and shifts through all gears smootly but sometimes itslips out of third and just revs like its in nuetral it happened yesterday when i was driving up my hill in 3rd i slowed down and went to give it gas agian and it just slipped out of gear and revved like it was in nuetral i downshifted and runned through all the gears and as long as i had the rpms up it pulls fine in third it only slips out of thrid when at low rpms im thinking ill have to slpit the case and change out third gears and the shift fork and maybe the main and countedshafts what do you guys think ?

400man
01-27-2015, 08:40 AM
hard to say really. you will just have to split the cases to see what it looks like.