steelhead49
Recruit
- Joined
- Jan 25, 2004
- Messages
- 2
I have an older merc outboard serial number 3577398 The cover says Thunderbolt 500.Can any one tell me what year it was made?I also need anew prop any suggestins? Irun this motor on a17 foot express duck boat that fully loaded weighs approx1750lbs.What size and pitch prop should I use?? THANKS!!
