mariusj Posted February 16, 2016 Report Share Posted February 16, 2016 Hello from norway Like the topic says. When i changed the transmission oil it was a lot of fuel in the oil. And i guess i got to take the motor apart to change the "sealing?". Any tips to get the the main drive gear off? (thats connected to the crank?) Its my first trial bike and i have had it for about 6 month. What other parts should i change when i got i in pieces? Som standard issues i should fix? I hope you can understand my writing, since my english is`nt all that Regard Marius Quote Link to comment Share on other sites More sharing options...
bilks Posted February 16, 2016 Report Share Posted February 16, 2016 Plenty of info and videos here http://www.trialspartsusa.com/youtube.html Quote Link to comment Share on other sites More sharing options...
lineaway Posted February 17, 2016 Report Share Posted February 17, 2016 The only way to get a lot of fuel in the motor is leaving the petcock on or a bad needle and seat. Have you had starting issues? Normally if the seal goes you suck transmission oil into the crank and have excessive smoking. Quote Link to comment Share on other sites More sharing options...
mariusj Posted February 17, 2016 Author Report Share Posted February 17, 2016 Thank you for your reply! much appreciated! I have watched all the videos on youtube that i could find, but i couldn't find one that showed how to get of that drive gear. I have had starting issues. And when i got it started i needed to "work" alittle to keep it going. I thought the only way for fuel to come into det gear oil was trough that seal? No excessive smoke. And i have forgotten to turn the fuel off under transport more than once. So maybe i should just try a new needle and check and clean the carburetor, before i take it to pieces. Quote Link to comment Share on other sites More sharing options...
crazybond700 Posted February 17, 2016 Report Share Posted February 17, 2016 THe drive gear is ''loose'' on the crank (once the clip is removed offcoarse). However they tent to be quite stuck somethimes, I cannot get one off on one of my bikes. There should be a tool for this, I once heard. Quote Link to comment Share on other sites More sharing options...
crazybond700 Posted February 17, 2016 Report Share Posted February 17, 2016 BTW are you sure its fuel? Not coolant, since this happens quite alot. The waterpump erodes and the seal lets trough coolant into the box, causing some problems and dirty looking oil. Milky that is. Quote Link to comment Share on other sites More sharing options...
mariusj Posted February 17, 2016 Author Report Share Posted February 17, 2016 (edited) Im almost positive that its fuel, the oil smelled a lot like it. And i was not grey/milky. I have taken of my carb to do some cleaning and try to replace the needle. There is to "floaters?" in it, one of them is going up and down just fine and the other is kinda stuck. If i put it up side down only one of them come out, the other i need to take out manually. I guess this isn't right. So i guess the "needles" is bent? can i try to bend them so it also goes freely? Se the picture Edited February 17, 2016 by mariusj Quote Link to comment Share on other sites More sharing options...
crazybond700 Posted February 17, 2016 Report Share Posted February 17, 2016 (edited) That is not right, should move freely.But if that explains your problem, if it sits on top the carburator would not get enough fuel since it ''thinks'' its full enough. The other part which could be bad is the needle which is situated behind the big threaded tube on the right of the picture. Edited February 17, 2016 by crazybond700 Quote Link to comment Share on other sites More sharing options...
worldtrialchamp Posted February 17, 2016 Report Share Posted February 17, 2016 the gear comes off with an appropriate puller or by using an hydraulic press Quote Link to comment Share on other sites More sharing options...
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