Oh La La
Member
- Sep 12, 2019
- 68
- Boat Info
- 400 Express
- Engines
- 7.4 MPI Horizons
Having a 2002 410 EC surveyed this weekend. Can anyone tell me what should be the RPMs at WOT?
Thanks
Thanks
WOT 8.1 Mercruiser
- Thread starter Oh La La
- Start date
Espos4
Well-Known Member
There should be a label on the motor providing that information.
sbw1
Well-Known Member
- Oct 10, 2006
- 8,189
- Boat Info
- This is listed in my signature
- Engines
- This is listed in my signature
4800 for the standard Merc. 5000 if it is a Mag HO Merc engine.
juggernaut1
Well-Known Member
- Apr 19, 2015
- 1,152
- Boat Info
- Boatless - sold Searay 38 Sundancer
- Engines
- 8.1’s
4200 to 4600 for 370hp and 4400 to 4800 for HO 425hp inboards. Merc preferred is towards the higher end of those ranges.
Oh La La
Member
- Sep 12, 2019
- 68
- Boat Info
- 400 Express
- Engines
- 7.4 MPI Horizons
Thanks
