RPM Question for 1987 70 horse 3 cycl.

cat toon

Seaman
Joined
Sep 20, 2010
Messages
61
My owners manual says the wot RPM should be 5000 to 6000 rpm with 5500 being the best,a friend told me that closets to 6000 rpms should be the best who us correct?
 

TrueNorthist

Petty Officer 1st Class
Joined
May 16, 2012
Messages
229
Re: RPM Question for 1987 70 horse 3 cycl.

6000 is fine but do not go much above that. The book says 4500-5500 but I have mine tweaked to 6000. I rarely run at WOT but like to have the extra speed for showing off.
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: RPM Question for 1987 70 horse 3 cycl.

I used to prop that mtr out at 5800 rpm with a lightly loaded boat.
 
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