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Ty125 Carb On 175


tetly369
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I have a ty175 and the carb is getting a bit worn, but I have a good ty125 carb, the main jet size is very different, can anyone tel me what size of main I should start with on the 125 carb when fitted to the 175.

Cheers

Tetly

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Going on your description of the jet size & location the jets will be different shapes, the jet mounted in the float bowl will be round & the 1 that screws into the needle jet will be hexagonal, their numbering systems are different with 1 being diameter of the hole & the other being done on flow

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the jets are the same hex type, the fuel is drawn through the jet in the opposite direction to normal.

If you don't know the TY 175 setup you probably won't be able to help, I am going to stick it on today as is and see what happens.

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I have a ty175 and the carb is getting a bit worn, but I have a good ty125 carb, the main jet size is very different, can anyone tel me what size of main I should start with on the 125 carb when fitted to the 175.

Cheers

Tetly

Hi,

The size you need is 130.

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