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SUBJECT: # 22402: Four Stroke VS Two Stroke and Hole Shot
Submitted by Walt Mercer (65.229.143.24) from NORTH CAROLINA on 1/13/2002 9:03:00 AM
I am considering a 30 hp four stroke to replace my 30 hp two stroke on my john boat which is rated at 35 hp. When I have a full load of gear on board will the four stroke be slower getting up on plane?
- 1/13/2002 10:41:00 AM
Submitted by
bonefish from TENNESSEE says Maybe...
Depends on the prop and the motor height. These are variables that differ from boat to boat. Get a propshop to work with you.
- 1/13/2002 12:42:00 PM
Submitted by
Phillip T. from TENNESSEE says 4 vs 2
While a long way from an expert on this subject, it seems to me that what the engine designers have done is this. In a serious attempt to keep the displacement, and consequently the weight, of the four strokes down, they are getting their horsepower from spinning the engines up pretty good. The expense of this is less low end. This is a pretty standard deal for the Japanese anyway. Whether it's cars, motorcycles or outboards. So in answer to your question, yes, it will take a little longer to get up on plane, all other factors being equal.
- 1/13/2002 12:48:00 PM
Submitted by
Phillip T. from TEXAS says asleep at the keyboard
It's Texas, not Tennessee
- 1/17/2002 10:20:00 PM
Submitted by
Striper (24.45.211.93) from . says Honda 30
You will probably see a difference but I don't think you will see a great difference. The torque increase is what you will see the most, lots of torque in the four strokes. I have a Honda 30 on a 16 ft. Lund Tin boat and it pushes it along just fine gets up on plane real quick and runs real smooth. I just bought a new Triton 20 ft. CC and have the Honda 130 on it and I love it.Mike