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View Full Version : Help! How to tighten rear sproket on 400ex


FTR250Rnif
11-22-2004, 08:59 AM
hey guys i have 1 02' 400 and the rear sproket is loose. Im used to working on dirtbkes and this is my first quad. It seems to be moving side to side on the axle, not much but enough to worry me. Any obne know how to adjust it?
thanks in advance
FTR250Rnif
11-22-2004, 11:20 AM
Anyone?:(
mojoe2878
11-22-2004, 01:54 PM
have you tried tightening the 4 bolts up that hold the sprocket to the hub?
is it just the sprocket that is moving or the whole hub assembly?
cals400ex
11-23-2004, 01:26 AM
is the whole axle moving? are the bearings shot? is the sprocket tightened down?
FTR250Rnif
11-23-2004, 08:24 AM
Originally posted by cals400ex
is the whole axle moving? are the bearings shot? is the sprocket tightened down?
no ok.. the sproket is loose on the axle. when the bike is standing still i can move the entire sproket with my hand. is there a way to tightne it? is there bearings in the sproket itself? idk this is my first quad. i just figured sume one would know:chinese:
im gonna make a post in open forum
cals400ex
11-23-2004, 03:02 PM
there should be 4 nuts holding the sprocket on. i think they are 14mm but i dont' remember exactly. for the other side of the bolts, you will use an allen wrench. just tighten these nuts down. if the sprocket is moving, either these bolts are loose or the hub is bad. there are no bearings in the sprocket.