420 engine freshup
01-08-2006, 06:43 PM
#1
Registered
Thread Starter
Join Date: Nov 2005
Location: Western Michigan
Posts: 225
Likes: 0
Received 0 Likes
on
0 Posts
420 engine freshup
On a mercruiser 420/500hp/525sc about how many hours can you put them before it requires freshening up baring all the proper maintanance has been performed.
