wtb: lower units for outboard

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  • Jesse J
    scale FE racer
    • Aug 2008
    • 7116

    #1

    wtb: lower units for outboard

    so... I have this lower unit and want to run twins. If somebody has an identical one/two of these for me... lets see it. I may be wanting to do triples if I can get two more for decent price.

    One question: what is max rpms these guys can handle? I was wanting BJ motor (1500 KV) on 4-6S? (that would be possibly 30-35K rpms)
    Attached Files
    Last edited by Jesse J; 09-14-2010, 03:57 PM.
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  • steve-b
    Senior Member
    • Mar 2010
    • 245

    #2
    What kind do you have already?
    I dont know much about OB's. Are they the same as a nitro lower end? If so i have a K&B, but its a 7.5???

    Steve.
    Last edited by steve-b; 09-14-2010, 02:18 PM.

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    • Jesse J
      scale FE racer
      • Aug 2008
      • 7116

      #3
      I remembered I forgot to add photo... Don't know the name of it - I think its K&B - but maybe pic can help.

      It was for nitro. This one has a conversion and I will have one showing up that has a nitro engine that is supposed to be a super good running set up - willing to trade for lower unit from one that isn't so good.

      I would like to track down two more of these if possible
      "Look good doin' it"
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      • Chuck E Cheese
        Fast Electric Addict!
        • May 2008
        • 1684

        #4
        those are k&b legs... i just sold 2 brand new for about $50 on iw
        you can get them here for about $70 with stub and flex shafts
        see my fleet : http://forums.offshoreelectrics.com/...hp?albumid=294

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        • tomstoys2
          Senior Member
          • Jun 2008
          • 581

          #5
          Hey Jesse,
          It's a K&B. I converted a 3.5 K&B for my Bud Light with the stock BJ motor. Ran it a lot this summer with a x437/3. One day I tested some different props and ended up braking a flex cable with a Prather 215. The boat was torx rolling out of the turns when ever I would hit the throttle. It would put it up on one sponse. I think it can handle the RPM's though I only ran it on 4s. Hope that helps.
          Attached Files

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          • Jesse J
            scale FE racer
            • Aug 2008
            • 7116

            #6
            thanks guys - this is totally new water for me, but I have always liked the look of outboards and want to trick the Cyclone with three of these babies!!!

            Any more info/links or if you have one, hit me, I wanna get this goin!
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            • Jesse J
              scale FE racer
              • Aug 2008
              • 7116

              #7
              I would even take somebody's that the engine is bad on...
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              • Jesse J
                scale FE racer
                • Aug 2008
                • 7116

                #8
                anyone?
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                • nomobux
                  Senior Member
                  • Apr 2007
                  • 165

                  #9
                  Originally posted by Jesse J
                  anyone?
                  Just a idea .. Maybe post it up in the RCU nitro boat forum. Has to be alot of old KBs sitting around in boxes.

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                  • Jesse J
                    scale FE racer
                    • Aug 2008
                    • 7116

                    #10
                    Yep keen thought. Just found a pair for $70??? on the first page of the FS forum!!!

                    thanks, AND I am still looking, will close this thread if I find one elsewhere.
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                    • ron1950
                      Fast Electric Addict!
                      • Aug 2010
                      • 3024

                      #11
                      i was just a t local hobby shop they are getting out of boat parts they had 3 k and b lower units new in package....they were really cheep close outs...no flex shafts etc just left and right lower unit halfs let me know i can get em dirt cheep thanks ron
                      MY RETIREMENT PLAN?????.....POWERBALL
                      74 vintage kirby clasic hydro, pursuit mono, mg, 47'' mono, popeye hydro...

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                      • Jesse J
                        scale FE racer
                        • Aug 2008
                        • 7116

                        #12
                        right on! I will take all 3 please.

                        If anybody has any of the remaining parts, please let me know!!

                        I may be going with 4 outboards....
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                        • ron1950
                          Fast Electric Addict!
                          • Aug 2010
                          • 3024

                          #13
                          ok so u want me to go get em all three that is?
                          MY RETIREMENT PLAN?????.....POWERBALL
                          74 vintage kirby clasic hydro, pursuit mono, mg, 47'' mono, popeye hydro...

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                          • Jesse J
                            scale FE racer
                            • Aug 2008
                            • 7116

                            #14
                            yesseree! get me three and I can paypal you now if you want.

                            this is gonna be pretty cool. I figure I may be able to make some of the parts based on my one complete kit coming in the mail, so at this price and having the BJ motors, I could set up 4 of em for my big kitty!
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                            • Jesse J
                              scale FE racer
                              • Aug 2008
                              • 7116

                              #15
                              $$ sent!

                              thanks for the tip and picking those up for me.
                              "Look good doin' it"
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