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1979 Yamaha dt125 f


Surfrat25
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I have a running dt125 This is my first bike I have worked on and need some help. I am attempting to change the bike into a street tracker and want to find out a few things if possible.

1) any tricks I can do to the engine or bike to make it faster?

2) I want to take the air box and replace it with a cleaner looking air filter, can it be done?

3) I cannot get the turn signals to blink, they turn on when I turn the switch but only stay on and not blink.

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Sorry first time in a forum!!!

Surfrat25

Today, 02:34 PM

Hey everyone my name is AR! I'm excited I found a cool forum that can help me gain experience in bike building. I've always loved the old school look of cafe racers and the new school look of street tracker. So I finally gave in and bought my first little project bike about a month ago which is a 1979 Yamaha DT125. Looking forward to reading other peoples forums! Cheers!

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Yeh ar" you can fit The DT175 top end, :yeah:

The blinkers should flash when engine runs , as 6 volt battery is poor,

Air cleaner ? minefield,,, runs lean , needs jetting, etc. :eusa_doh: .

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Blackhat250:

Thanks for the response! Do I need to replace the whole top end or just the cylinder head? And the lights don't blinker when the bikes on and it's a new battery I'm starting to think it is the flash relay.

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You need barrell/ head/ piston/ pin/and small end bearing. As DT125"s are smaller.

Change the Flasher unit too.

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