Trying to pin point the year of the engine I just picked up . Any idea on this number . I am thinking 87 or 88 .ThanksI took some photos of my 1989 ZXR750 H1 Motor.
Your serial 018204
My serial 036412
Yours is older, I believe your motor is from a older GPX750 one. (ZX750F).
My Sump -
Ebay auction for a ZX750F sump below
The two motors have the same DNA, but are very, very different, especially in the head department.
I'm not trying to annoy you, just save you and a potential buyer a rather large headache. I have been stung in the past by this exact same scenario.