Nitrodog Posts: 848 November 24, 2009 at 10:28 pm #1237666 I have a 2003 135 h.p. optimax what are the max r.p.m.s for the motor. I have been told 5500 and also 5700? Thanks
jon_jordan St. Paul, MnPosts: 10908 November 24, 2009 at 11:58 pm #818211 Specs Also note the gear ratio on the 135 is 2-1 where the 150 is 1:87-1. -J.
Hot Runr Guy West Chicago, ILPosts: 1933 November 25, 2009 at 12:00 am #818212 look at the serial # sticker on your motor. It will list max rpms.HRG
Nitrodog Posts: 848 November 29, 2009 at 4:08 am #818996 The sticker on the motor says 5500r.p.m. So I assume I should not go over that? Thanks