spdracr39
Lieutenant Junior Grade
- Joined
- Aug 30, 2010
- Messages
- 1,238
I just got this boat and the tach works but reads low. It reads 3000 rpm at wot and should be around 4500. The motor is turning faster than it says for sure. What setting should it be set on to read correctly. My engine is a mercruiser 470 I-4 170hp.
