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  4. Messed up on my build need radiator advice

Messed up on my build need radiator advice

Scheduled Pinned Locked Moved Engine
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  • declanD declan

    @ninja thanks, it's my first time welding or building anything like this but I'm happy with how it's coming along

    NINJAN Offline
    NINJAN Offline
    NINJA
    wrote on last edited by
    #10

    @declan Start a build thread brah, I'm sure peeps would like to see your skills in action. ๐Ÿ˜‰

    SEDUCED BY THE DARK SIDE!!!

    declanD 1 Reply Last reply
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    • NINJAN NINJA

      @declan Start a build thread brah, I'm sure peeps would like to see your skills in action. ๐Ÿ˜‰

      declanD Offline
      declanD Offline
      declan
      wrote on last edited by declan
      #11

      @ninja if you see my welds you would think different, maybe when it's running and riding I'll set something up

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      • declanD declan

        @ninja if you see my welds you would think different, maybe when it's running and riding I'll set something up

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        dan28
        wrote on last edited by
        #12

        @declan looks good
        You have loads of room if mount the radiator in front instead of at the side

        declanD 1 Reply Last reply
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        • D dan28

          @declan looks good
          You have loads of room if mount the radiator in front instead of at the side

          declanD Offline
          declanD Offline
          declan
          wrote on last edited by
          #13

          @dan28 I do without the exhaust it's a right hand radiator frame if I use a standard exhaust I'd have to get a different fuel tank and radiator plus seat set up so I'm going to build a simp me underslung exhaust

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          • declanD declan

            @dan28 I do without the exhaust it's a right hand radiator frame if I use a standard exhaust I'd have to get a different fuel tank and radiator plus seat set up so I'm going to build a simp me underslung exhaust

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            dan28
            wrote on last edited by
            #14

            @declan what about the older exhaust from the lc models that mounts on other side
            I remember scrim mustang on here saying they can be used on dtr engine that way you can keep the radiator etc
            By the way can any one measure a lanza radiator for me

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            • CalumC Online
              CalumC Online
              Calum
              wrote on last edited by Calum
              #15

              @dan28 I have ordered a new one should be here in a few days, I will measure it when it arrives for you.

              They are tiny though.

              Always Originate, Never Pirate!

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              • CalumC Calum

                @dan28 I have ordered a new one should be here in a few days, I will measure it when it arrives for you.

                They are tiny though.

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                dan28
                wrote on last edited by
                #16

                @calum thanks calum

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                • D dan28

                  @calum thanks calum

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                  dan28
                  wrote on last edited by
                  #17

                  @dan28 the dtr rad is approx 33cm long an 12 wide
                  I have a gas gas txt rad it's 12 cm wide an approx 20 cm long
                  What are peoples thoughts on this?
                  Too small?

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                  • declanD Offline
                    declanD Offline
                    declan
                    wrote on last edited by
                    #18

                    @dan28 I was looking at one of those on ebay,it would likely me okay if room allows adding a radiator fan would help too

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                    • declanD declan

                      @dan28 I was looking at one of those on ebay,it would likely me okay if room allows adding a radiator fan would help too

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                      dan28
                      wrote on last edited by
                      #19

                      @declan said in Messed up on my build need radiator advice:

                      @dan28 I was looking at one of those on ebay,it would likely me okay if room allows adding a radiator fan would help too
                      its alot smaller though an the fan for the gas gas rad is expensive even for a used one
                      i need to find out the sizes of the ktm sx 50 rads both together they should be equalivent to the dtr rad i think

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                      • D dan28

                        @declan said in Messed up on my build need radiator advice:

                        @dan28 I was looking at one of those on ebay,it would likely me okay if room allows adding a radiator fan would help too
                        its alot smaller though an the fan for the gas gas rad is expensive even for a used one
                        i need to find out the sizes of the ktm sx 50 rads both together they should be equalivent to the dtr rad i think

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                        SpookDog
                        wrote on last edited by
                        #20

                        @dan28
                        The manual says that the cooling works by โ€œthermo ~ syphonic action in conjunction with the pumpโ€, but basically when the coolant in the cylinder sleeve is hot enough to actuate the thermostat and open up, the pump will move it. I donโ€™t know any other motor that has the radiator physically above the motor to rely on heat rising through convection ๐Ÿ™„
                        I guess Iโ€™m saying that Iโ€™d test run it with the rad mounted where you want it and see if it works. As long as the pump moves the coolant I donโ€™t see any problem ๐Ÿ˜
                        I could be totally wrong though! ๐Ÿ˜œ

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                        • S SpookDog

                          @dan28
                          The manual says that the cooling works by โ€œthermo ~ syphonic action in conjunction with the pumpโ€, but basically when the coolant in the cylinder sleeve is hot enough to actuate the thermostat and open up, the pump will move it. I donโ€™t know any other motor that has the radiator physically above the motor to rely on heat rising through convection ๐Ÿ™„
                          I guess Iโ€™m saying that Iโ€™d test run it with the rad mounted where you want it and see if it works. As long as the pump moves the coolant I donโ€™t see any problem ๐Ÿ˜
                          I could be totally wrong though! ๐Ÿ˜œ

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                          SpookDog
                          wrote on last edited by
                          #21

                          More importantly though: where the fuck are the pics of a Dtr engine in a chop frame!! ๐Ÿง Come on Dog!...

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                          • S SpookDog

                            @dan28
                            The manual says that the cooling works by โ€œthermo ~ syphonic action in conjunction with the pumpโ€, but basically when the coolant in the cylinder sleeve is hot enough to actuate the thermostat and open up, the pump will move it. I donโ€™t know any other motor that has the radiator physically above the motor to rely on heat rising through convection ๐Ÿ™„
                            I guess Iโ€™m saying that Iโ€™d test run it with the rad mounted where you want it and see if it works. As long as the pump moves the coolant I donโ€™t see any problem ๐Ÿ˜
                            I could be totally wrong though! ๐Ÿ˜œ

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                            dan28
                            wrote on last edited by
                            #22

                            @spookdog said in Messed up on my build need radiator advice:

                            @dan28
                            The manual says that the cooling works by โ€œthermo ~ syphonic action in conjunction with the pumpโ€, but basically when the coolant in the cylinder sleeve is hot enough to actuate the thermostat and open up, the pump will move it. I donโ€™t know any other motor that has the radiator physically above the motor to rely on heat rising through convection ๐Ÿ™„
                            I guess Iโ€™m saying that Iโ€™d test run it with the rad mounted where you want it and see if it works. As long as the pump moves the coolant I donโ€™t see any problem ๐Ÿ˜
                            I could be totally wrong though! ๐Ÿ˜œ

                            If you look at yours the water goes out the bottom rad hose along the metal pipe an to the water pump
                            The problem I have using the dtr rad the water goes out the bottom hose an then has to travel upwards to the water pump
                            A smaller radiator mounted higher up would solve the issue an the water would travel down as intended
                            I m not sure how to add photos on here

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                            • D dan28

                              @spookdog said in Messed up on my build need radiator advice:

                              @dan28
                              The manual says that the cooling works by โ€œthermo ~ syphonic action in conjunction with the pumpโ€, but basically when the coolant in the cylinder sleeve is hot enough to actuate the thermostat and open up, the pump will move it. I donโ€™t know any other motor that has the radiator physically above the motor to rely on heat rising through convection ๐Ÿ™„
                              I guess Iโ€™m saying that Iโ€™d test run it with the rad mounted where you want it and see if it works. As long as the pump moves the coolant I donโ€™t see any problem ๐Ÿ˜
                              I could be totally wrong though! ๐Ÿ˜œ

                              If you look at yours the water goes out the bottom rad hose along the metal pipe an to the water pump
                              The problem I have using the dtr rad the water goes out the bottom hose an then has to travel upwards to the water pump
                              A smaller radiator mounted higher up would solve the issue an the water would travel down as intended
                              I m not sure how to add photos on here

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                              SpookDog
                              wrote on last edited by
                              #23

                              @dan28

                              The pump would still work and draw coolant up, it doesnโ€™t rely on the coolant โ€˜fallingโ€™ down into the pump. Itโ€™s strong enough to lift fluid 2 foot. If it looks good, try it. If not do something that you like the look of!

                              There is a tutorial on this site for posting pics, if I can suss it you can! I use a phone and imgur (app) to host mine. Do a search, please, it sounds like a wicked build!...

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                              • S SpookDog

                                @dan28

                                The pump would still work and draw coolant up, it doesnโ€™t rely on the coolant โ€˜fallingโ€™ down into the pump. Itโ€™s strong enough to lift fluid 2 foot. If it looks good, try it. If not do something that you like the look of!

                                There is a tutorial on this site for posting pics, if I can suss it you can! I use a phone and imgur (app) to host mine. Do a search, please, it sounds like a wicked build!...

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                                dan28
                                wrote on last edited by
                                #24

                                @spookdog I would rather it worked as yamaha intended so would like the radiator higher than the water pump
                                I trail fitted the gas gas radiator it will fit but as it is approx 15cm shorter then there will be less coolant compared compared to how much is in The standard radiator not sure if that's going to be an issue

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                                • declanD Offline
                                  declanD Offline
                                  declan
                                  wrote on last edited by
                                  #25

                                  @dan28 I doubt the coolant volume being an issue

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                                  • declanD declan

                                    @dan28 I doubt the coolant volume being an issue

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                                    dan28
                                    wrote on last edited by
                                    #26

                                    @declan said in Messed up on my build need radiator advice:

                                    @dan28 I doubt the coolant volume being an issue
                                    Would it not be the same as using your bike with a low coolant level as this radiator is 15cm shorter so quite a bit smaller

                                    S declanD 2 Replies Last reply
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                                    • D dan28

                                      @declan said in Messed up on my build need radiator advice:

                                      @dan28 I doubt the coolant volume being an issue
                                      Would it not be the same as using your bike with a low coolant level as this radiator is 15cm shorter so quite a bit smaller

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                                      SpookDog
                                      wrote on last edited by
                                      #27

                                      @dan28
                                      What country do you live in?

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                                      • D dan28

                                        @declan said in Messed up on my build need radiator advice:

                                        @dan28 I doubt the coolant volume being an issue
                                        Would it not be the same as using your bike with a low coolant level as this radiator is 15cm shorter so quite a bit smaller

                                        declanD Offline
                                        declanD Offline
                                        declan
                                        wrote on last edited by
                                        #28

                                        @dan28 no it wouldn't since the radiator will be filled to the top regardless so there's no air to expand

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                                        • S SpookDog

                                          @dan28
                                          What country do you live in?

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                                          dan28
                                          wrote on last edited by
                                          #29

                                          @spookdog said in Messed up on my build need radiator advice:

                                          @dan28
                                          What country do you live in?
                                          I m in the UK boss

                                          S 1 Reply Last reply
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