Home › Forum › Ask A Member › 1976 Evin 15 model#15604A upper main seal › Re: 1976 Evin 15 model#15604A upper main seal
April 16, 2016 at 6:33 pm
#34897
Try this little test first to see how bad it is leaking. Some fuel mix or oil poured on top of the seal will bubble or get sucked into the motor while turning it over.