[92xjunker]

if you have a post wheel some 170's fit those

[Beer4blood]

Christ that's skinny....alright cool

[92xjunker]

88-89 140. 90-97 150.

[Beer4blood]

So what's the tire limit with pre?

[92xjunker]

Ummmmm, yeah..... Pre 90 3" Pre is 3.5" post 4.5"

[katanarider]

If measured correct it's not a kat wheel, the post is 3.5"

You mean 4.5"

[TRPUT]

The size should be embossed on the rim.

http://www.ebay.com/itm/2005-Suzuki-Katana-GSX-600-F-98-06-750-rear-wheel-rim-brake-rotor-OEM-Straight-/231552064714?hash=item35e9941cca:g:wNkAAOSwqu9VR6tM&vxp=mtr

[92xjunker]

If measured correct it's not a kat wheel, the post is 3.5"

[Beer4blood]

I'm gonna say the ninja was a much wider rim....anyways I measured or rather did the best possible with a tire still on the rim looks to be 4" not counting the flare of the lips.

[92xjunker]

That rim style was used on a couple bike models.

[Beer4blood]

I feel confident they're the three spokes similar to what my 99 zx6r had. It called for 170 stock but I ran 180 on out always with no trouble

[katanarider]

If your spokes are like 3 slanted knives (fat on one side and sort of sharp on the other),
then you have stock pre wheels. The 88 600cc had different looking wheels , but still narrow. EDIT: I think they were like 6 spoke.

[Beer4blood]

I've seen a post-98 with a 180 on a stock rim. The post-98 seems to have a little more room on the swingarm which allows this, but the pre-98 doesn't. However, running a 180 on the stock rim is going to pinch the tire for sure. Yeah its only 5mm on each side of the wheel, but when you consider that the tire only has a few millimeters of bead locking the lip to the rim. It only takes one instant to make you wheel chair stricken for life... A big loose tire flexing on a narrow rim as your turning...pop !

mines a pre....i suspected ol skinny tire but I'll be damned it was 180/55

How wide is the rim?

Not sure I'll check today

[92xjunker]

Hmmmm well the goober I got my Kat from has a 180/55 shoved on there....the bike has been through several hands tho perhaps they're not stock rims. Is there a definitive tell?

How wide is the rim?

[katanarider]

I've seen a post-98 with a 180 on a stock rim. The post-98 seems to have a little more room on the swingarm which allows this, but the pre-98 doesn't. However, running a 180 on the stock rim is going to pinch the tire for sure. Yeah its only 5mm on each side of the wheel, but when you consider that the tire only has a few millimeters of bead locking the lip to the rim. It only takes one instant to make you wheel chair stricken for life... A big loose tire flexing on a narrow rim as your turning...pop !