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Flywheel weight for txt 125 with 200 kit


trialguy
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Hi,

installing an s3 200 kit (175cc actually) on my daughters 17.5 e4 125 txt.

I want to also install the optimal heavier flywheel and will likely have this machined custom. Can anyone offer a specific and ideal weight in grams for what this should be. I don’t want to order the generic weight intended for the 250-300 as this would obviously be too heavy for the little bike.

I will naturally be removing the factory small disc weight and adding the more substantial one. Will not want to install a cover spacer, should be unnecessary as the 125 ignition is much smaller therefore ample room in there.

Any intel will be appreciated.

thank you, Guy

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Thanks but as I've stated our bike is a 2017 and the weight you suggest clearly describes it being only for 2014 and prior bikes. They are a different ignition and our bike utilizes 3 small screws for fixation of the weight.

Thanks though!

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Hey!  That’s awesome, please do share any and all info. Did you just make a thicker version of the stock weight or combine the two?

Did you happen to weigh the new one or have a recommendation on a total weight figure?

lastly,  are you happy with the mod overall and do you feel the increased mass is a necessity with the bigger motor?

Thanks  for any of your shared knowledge!

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  • 2 weeks later...

Sorry for delay in acknowledging your help, composed a note but failed to submit.

Anyway, thanks very much! I’ve passed on to a machinist friend and am now waiting for the finished product.

A little annoyed that s3 has sent a 225 kit which won’t work despite our clearly asking for a 200 kit for our 2017.5 125.

Could you provide the part # of the proper 200 kit (175cc) that you received. Maybe that will help me obtain the correct one this time. Also, any jetting changes/ tips required for your mod?

Thanks very much,

Guy

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The kit was put together by my dealer.
I think it are the parts of the previous GasGas TXT pro 200.
Cilinderhead has a top cooling water connection.
Exhaust pipe bolts rotated as on the previous gasgas cilinders.
Main jet unchanged
Idle jet from 52 to 48
Squish set at 1,5
 

P1030698a.jpg

P1000255a.jpg

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