ratfacedudeguy's Handy-Dandy Guide to YYR Authentication

[theTopo]

Also used the freezer technique. Actually, it's as if the bearing had fusionned with the bearing seat

Galling?

[alphablock]

That I'm not 100% sure of. From all the speculation I've witnessed, it seems that A grades are essentially indistinguishable from B grades, but again I can't say with 100% certainty because I've never owned one.

Kengo distinguishes the B-grades from A-grades with a chip in the ano. There will be a small silver spot right where the catch zone meets the response.
These marks do not affect play, and you probably won't notice unless you are looking for the mark.

I would take a picture, but I don't have a B-grade YYR at the moment.

[naoki]

you must be kidding!
that would mean all the YYR's I've owned since I started yoyoing (this makes around 15 throws) were all B-grades? I can hardly believe it

[ratfacedudeguy]

That I'm not 100% sure of. From all the speculation I've witnessed, it seems that A grades are essentially indistinguishable from B grades, but again I can't say with 100% certainty because I've never owned one.

Kengo distinguishes the B-grades from A-grades with a chip in the ano. There will be a small silver spot right where the catch zone meets the response.
These marks do not affect play, and you probably won't notice unless you are looking for the mark.

I would take a picture, but I don't have a B-grade YYR at the moment.

False. This was also addressed in the guide. All YYRs, b grade or not, have the chip by the response.

[ragingpain]

That I'm not 100% sure of. From all the speculation I've witnessed, it seems that A grades are essentially indistinguishable from B grades, but again I can't say with 100% certainty because I've never owned one.

Kengo distinguishes the B-grades from A-grades with a chip in the ano. There will be a small silver spot right where the catch zone meets the response.
These marks do not affect play, and you probably won't notice unless you are looking for the mark.

I would take a picture, but I don't have a B-grade YYR at the moment.

False. This was also addressed in the guide. All YYRs, b grade or not, have the chip by the response.

What I know is the same with ratfacedude. B-grade YYR either have something wrong in their ano or vibe. That's what Kengo told me.

[JAX%^]

I dont understand why this hasn't been stickyed! Get to it mods!

[attybud]

Many thanks for this excellent counterfeit-detection thread, whose information lets us acquire genuine YYR's with confidence.  Much respect! 

B

[ratfacedudeguy]

Updated with Take That Sleipnir engraving comparison and DOA test.

[sanbo]

In response to naoki:

The exact same thing happened to my Severe. After almost 6 months of being stuck, I recently got it off. What i did was apply some thin lubricant into the grove between the seat and the inner bearing race. Try this first, by using a vice or pliers to remove it. If this doesn't work (as it didn't for me), try heating your yoyo. Aluminum has a greater expansion under heat than steel so, it should come off then. I put the half in my toaster oven for ~10 minutes, then eased it off with a vice.

I hope this helps!

[theTopo]

Aluminum has a greater expansion under heat than steel so, it should come off then.

Wouldn't that mean heat would make the aluminium expand more than steel making the bearing seat even tighter?

[GunstarHero]

I think you're confusing the definition of expansion...with that of contraction.

[attybud]

Fair question.  

If I may, heat-expansion of things made of all the same molecules, absent some catalyst or external influence, typically yields uniform structural expansion.  For example, heat applied to a porcelain bath tub, a gun, or a metal yoyo, would uniformly expand the whole structure, even its openings  - the tub's cavity, the gun's chambers and barrel, the yoyo's response trench and bearing seat.  

Some things undergo heat-expansion and, simultaneously, additional chemical reactions - which circumstances can cause non-uniform/uneven expansions of the mass's structure, itself.  For example, a yeast doughnut undergoes not only a heat-releated expansion, but also an expansion from chemical reaction.  The multiple processes cause not only bigger dough molecules, but more of them - a type of expansion called hyperplasia.  

A yeast doughnut's hole might "close in" - as dough's varied molecules expand at varied rates - and sometimes "crowd" the doughnut hole, and create a ... sort of ... sphincter.  

And, now, I know why I don't point to certain doughnuts at the bakery.  

B
    

[GunstarHero]

Ah...I completely understand what you mean. The donut example immediately cleared things up I got ya. Sorry Topo.

[ratfacedudeguy]

Big update. Changed control specimen to authentic clear ano Messiah, did some rearranging of photos for consistency, took new photos with better camera for image clarity, and included a special thank-you to jrodriguez and attybud

[naoki]

Finally got an Overdrive!
as far is the Overdrives are concerned, as you can see the engravings are visibly bigger on the original one (left)

sorry for the quality, I had to use my phone. I'll try to take better pictures later

[ratfacedudeguy]

Very good. Thank you for the contribution -- I will incorporate that into the thread. Good lookin' out man!

[Bína]

!!BEWARE!!

Stargazer copy coming soon.

[attybud]

Counterfeited Stargazers?  I'm relieved my Stargazer came from Sunny - and that it is the rose blasted edition.  

Come on, counterfeiters!  If you are reading this - I implore you - keep the designs - but stop it with the outright counterfeiting!  

Please!  You'll still sell as many yoyos!  But label your knock-offs with a different inscription.   Name them something else - like "Super Happy Good Toy!" ... something - anything.  You'll still rake in cash!  You dont need to manufacture your truly decent yoyos as dishonorable counterfeits.  Please think about it.  

Respectfully,
Bud  

[Swatnoodle]

Oh yeah,

My friend has a sleipner, and the rims aren't straight like a regular sleipner. They have some sort of curve

[naoki]

if it has ever been polished, rims can be slightly less sharp