I am looking at a 1991 70hp yamaha motor the Serial Number is 477707 the Model # is 70 TLRP. The Code is 6H3 L. The reported compression is Cylinder # 1 125 PSI
Cylinder #2 123 PSI
Cylinder #3 120 PSI

Can any one give me any infor on this motor. I am looking to upgrade to a bigger motor on my 15 foot bass boat. right not i have a evenrude 48 special on it . It will handle up to a 85 the 70 looks like it might be a good deal. any help would be helpfull.
thanks alot