Question about 1991 Honda NT 400
To replace the main drive chain,you need to remove the chain cover on the engine case which should have a couple of bolts or screws securing it. Loosen the back wheel by untightening the rear axle bolts and then loosen the rear adjusters either side. Make a note of their positions they need to be be the same position either side, although the new chain may need a different setting but as long as they are both the same tightness each side is what matters.Loosen the wheel and move it forward when the axle is loose and the pin holding the axle nut is removed.Unscrew the two 6mm bolts holding the front sprocket a the engine side of the chain.Turn the part on the front sprocket where the two bolts have just been removed so that it lines with the gearbox splines and pull it forward along with the front sprocket at the same time as you push the loosened rear wheel the chain should pull away from the teeth on both sprockets.
To put on the new chain just reverse the proceedure.the ajusters need to be tight but not too tight just enough play to move it up and down slightly remember both adjustes need to be the same position each side and check that the wheel is in line with the bike and straight as uneven adjustments will cause the wheel to be turned slightly off the required vertical position.
Posted on Aug 30, 2010
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Posted on Jan 02, 2017
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