Question about 1999 Honda VT 1100 C3 Shadow Aero
There could be several causes for the leak. 1) The fluid was changed and too much 80/90 hypoid gear oil was put out and the excess is coming out the breather. 2) The breather cap is missing or malfunctioning cause oil to come out the top of the final drive. 3) If the cap is plugged it has pushed out the drive shaft seal on the front of the final drive or the larger seal on the side behind the spline shaft.4) one of the seals has gone bad causing the leak. I would start by cleaning off the final drive and changing the oil. Make sure the cycle is level and do not fill the final drive above the fill hole. Ride the cycle and identify if it is still happening and if it is the location. If the oil was coming out the breather it may not happen again. If the leak is coming out of one of the seals , replace the bad seal. Be careful not to over tight the large fill cap, it is designed to break if you over tighten it. It is designed this way so you do not have to take a hammer and chisel to get it off. If the cap was previously over tightened and your leak is coming from that location , you may have a cracked fill cap that is causing the leak. In this case refill the final drive with 80/90 hypoid gear oil to the appropriate level and install a new cap and o-ring.
Posted on Mar 13, 2011
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Posted on Jan 02, 2017
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