"Looking at the specs for the
"Looking at the specs for the same load level:
9.8
Prop: 8.5 dia x 9 pitch
max rpm 5000 to 6000
engine weight: 57 lbs
9.9
Prop: 9.2 dia x 9.1 pitch
max rpm 4500 to 5300
engine weight: 82 lbs
What are the real world differences in these engines...
"I'm looking at a couple o
"I'm looking at a couple of used Nissan/Tohatsu's.
One is a Nissan 1998 9.8, the other is Tohatsu 2000 9.9.
What compression ratio should these engines have?
Cheers"
"Boat is a wood floor 75lb zod
"Boat is a wood floor 75lb zodiac with inflatable keel. rated for 15hp.
With 600lbs crew and gear plus weight of outboard, what speed can be expected 9.8 vs 15?"