Offshoreonly.com - Hour Meter on Mer Cruiser engine

Quote:

Originally Posted by BIGMC69 (Post 3045584)

from my understanding 98 model mercruiser ecm's did not record hours. it started with 99 model years

No, We could always read the hours on the efi engine from 1992 on out.-------------------------------------------------------------------------------------------------

[QUOTE=young-gun Hour meters can be unplugged, very very easily! What about older mercruiser carbed engines? I imagine they didnt have a hour meter in the engine itself?[/QUOTE] On some merc carbed engines starting around 96/97ish you could read the hours.

1996-Up MerCruiser Thunderbolt V
Ignition module support
The scan tool supports 1996-up MerCruiser Thunderbolt V
ignition modules. Technicians can access engine operating
hour data from the module and review the number of hours
an engine has operated in several preset RPM ranges.

http://www.rinda.com/marine/mtspec.htm