Yamaha IT - Forum

Yamaha TY Models => Yamaha TY => Yamaha TY 175 => Topic started by: Martin I Henry on September 04, 2011, 06:58:06 PM



Title: How big do you want your TY175 ?
Post by: Martin I Henry on September 04, 2011, 06:58:06 PM

Is 206cc ok ?

http://www.mijossi.com/3ty/dossier/ty239.html (http://www.mijossi.com/3ty/dossier/ty239.html)

(http://www.mijossi.com/3ty/dossier/ty239/239B.jpg)

(http://www.mijossi.com/3ty/dossier/ty239/TY239.jpg)

Some very interesting engineering work there !

Dave R
Title: Re: How big do you want your TY175 ?
Post by: cabmkr on September 07, 2011, 09:36:04 PM
I picked up 2 ty250's at the beginning of the summer, one is stock bore and one (the ex pro bike i was told) has about a 300cc or so piston in it

(http://p1.bikepics.com/2011/09/07/bikepics-2268972-800.jpg)  

I wonder if a IT400 piston would fit?   :o
Title: Re: How big do you want your TY175 ?
Post by: Martin I Henry on September 08, 2011, 04:55:32 AM

Overbored TY250's were popular here in the UK. Coming out at nearly 320cc, I suspect that a 400cc piston would have been used.

Some tests here of the Majesty TY320 : http://davestestsandarticles.weebly.com/ty-yz-mx-sc.html (http://davestestsandarticles.weebly.com/ty-yz-mx-sc.html)

Dave R