What model IT175 do I have?

[AJ]

Hi all,
I picked up an IT175 today. Just wondering what year it is.

It has a steel mono shock swing arm, round speedo, blue mudguards,black seat with no Yamaha logo & just YAMAHA on the tank without any logos.

I have photo's but can't work out how to upload.

Bike is complete except for right side plate.

thanks

AJ

[Ekka]

What is the first three numbers and letters on the frame and engine IE pre fix number

[AJ]

I didn't get frame & engine no.'s

Front number plate is black & exhaust is on the left.

I'm guessing an F?

[the stig]

       Sounds like   77D  78E  or 79F the only ones with the steel swing arm
 
      The 79D had a longer swing arm than the other 2  measure it from the

       swing arm point to the end and them i can tell you but it sounds like an

      F model

  The Stig 

[TT5 Matt]

F models have longer travel both ends and they dropped the exhaust port 1.5mm for abit more bottom end power.the Aussie IT forum is a good place for all things IT

[mboddy]

F model has two bolts holding the silencer on.

[AJ]

Yes silencer is held on with two bolts.