1986 browning aerocraft mustang 1. Good condition for its age

New this year:
Alpha 1 lower unit
Prop
Lower unit oil
Spark plugs
Wires
Oil filter and oil
Cap and rotor
Points and condenser
Exhaust ballast hose

Comes with trailer and cover

Everything works great, however, when in the water the engine bogs when in gear.

Currently in the water, let me know if you want to see it