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Turbocharged 4-2 Stroke

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  • Turbocharged 4-2 Stroke

    Hey guys just wanted to ask everyone a question
    i have a pocket bike and am thinking about takeing out the 49cc and putting in a 4 stroke
    The Question though is is it possible to turbocharge a 4 stroke pocket bike? i have seen pics but not sure how it works
    Cheeers
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  • #2
    It's possible to turbo any engine. A turbo just takes energy from the exhaust gas and converts it to energy that drives a compressor. Put a turbo in-line with the intake, exhaust and an oil line, and you're good to go

    The thing would be to find a turbo small enough to put on an engine that small... I don't even know if one that small exists. You definitely wouldn't be able to use a car turbo - it'd be much to large.

    You'd have to tune the carby so that it lets a bit more fuel in aswell.

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    • #3
      Say i did put a car one on wat would have to be changed or have to be considered and when i say car i dont mean truck size like a 10-20cm one well 20 is truck but anyways
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      • #4
        Putting a car turbo on a small bike engine like that wouldn't work. The engine just wouldn't be big enough to spin the turbines fast enough (it'd spin, but not fast wouldn't be enough to create any boost). You'd have to find a REALLY small turbo.

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        • #5
          yeah as jenga said a car turbo would be "huge" on that little thing
          dunno where you could get a small enough turbo from

          not sure how small they go but you could search around for motor cycle ones if they make them for bikes (no idea i assume they do)
          might have to spend some big bucks and get a custom one made if thats possible :S

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          • #6
            yeh i get wat you guys are saying if you go in ebay and look up turbo keychain would it havee to be tthat big? or bigger
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            • #7
              wat if i got a small turbo and modified it a bit
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              • #8
                lol just thinkin is it possible to install a bov and a boost gauge?
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                • #9
                  Maybe if you got a small high pressure blower and modified it in to a supercharger lol
                  Originally posted by MOOG
                  Volvo is turbo and proper mad.
                  Originally posted by Jenga
                  You see, when a piston, block, crankshaft, and some fuel and air all love each other very, very much.....

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                  • #10
                    Boost gauge can be done cant it?
                    c wat happens anyone wanna give away a turbo?
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                    • #11
                      dont care as long as the turbine spins
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                      • #12
                        When i get some more stuff i might start a build thread and rake just an idea you should do a motorcycle only buildthread
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                        • #13
                          Better off putting that effort into modifying the motor to run on methanol or using whipped cream nitrous bulbs as a NOS system.
                          2012 Honda CB400 ABS. VTEC YO
                          1994 Honda RVF400
                          12 Hyundai IX35. Me and GF daily

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                          • #14
                            ummm what size 4 stroke u gonna put in it??? cause turbos dont really work to well on engines smaller then 125cc

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                            • #15
                              Originally posted by MrKilrwats View Post
                              Boost gauge can be done cant it?
                              c wat happens anyone wanna give away a turbo?
                              Most people won't give away turbochargers not only because they're valuable but rather also because I don't think anybody expects a turbocharger on a pocket bike to be anything other than useless.

                              If you're just after the BOV Pshh sound etc. I'd suggest playing need for speed instead.
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                              Originally posted by Crazy2287
                              Stephen, Are you stalking me?

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