Thread: RT188

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  1. Member Bill Reynolds's Avatar
    Join Date
    Aug 2013
    Location
    The Diamond State
    Posts
    3,864
    #21
    Quote Originally Posted by homebody View Post
    Bill
    thanks for the response. The manual for the 115 ProXs states max rpm is 5000-6300 which is quite a range.
    my motor is new so I am still breaking it in but it looks like even when trimmed out the max I am going to see will be about 5600 also.
    my concern is being so far below the 6300 max will the engine be broken in completely or will I have engine oil issues.
    Sorry for the mis-information, when I read your post, I was assuming 2 stroke Optimax but if your motor is new, it is a 4 stroke and will perform much differently than my 2014 ProXS Optimax.
    I am sure someone with a ProXS 4 stroke will weigh in.

    I try to drive as if my 16 year old Grandson is following me
    Speak as if he is listening and act as if he is watching

  2. Member
    Join Date
    Jun 2004
    Location
    Poplar Bluff, MO
    Posts
    1,255
    #22
    Mine will do about 42 on the gps, fully loaded with a 150 (105) Etec jet…..but it will run in 6” of water!
    2018 Ranger RT188 Custom Jet
    150/105 Evinrude ETEC Jet

  3. Member
    Join Date
    Aug 2012
    Location
    Clarksville TN
    Posts
    31,879
    #23
    Quote Originally Posted by homebody View Post
    Bill
    thanks for the response. The manual for the 115 ProXs states max rpm is 5000-6300 which is quite a range.
    my motor is new so I am still breaking it in but it looks like even when trimmed out the max I am going to see will be about 5600 also.
    my concern is being so far below the 6300 max will the engine be broken in completely or will I have engine oil issues.
    I can turn my 20 Laser about 5800 rpms. It’s four years old with right at 100 trouble free hours.

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