What kind of head is this?

[steveyz250fpilot]

It's on a 62T 701

Reading ~152 per cylinder on the compression guage

 

[steveyz250fpilot]

36 views and still no clues!

 

[oxnard111]

I'm not very experience when it comes to yamis but I have never seen that head before. Sorry for not being a help.

 

[T-bone]

well theres good head and bad head.......i take that back theres no such thing as bad head......as long as it has o-rings and removable domes.

 

[steveyz250fpilot]

To the top!


[EVIL]NOBODY HAS A CLUE???[/EVIL]

 

[michael950]

I give up, Greater Yamaha?

 

[butti]

i say ada non girdle

 

[Shonuff]

I will say old 35cc domes with worn o-rings.

 

[Powder]

i say ada non girdle

with an extra line in for flush.I ran it on my non-ported motor for two seasons not problems 180psi.
like in this pic

 

[Powder]

no i take that back the ADA does not have the extra bump off to the rear on the exhaust side that yours has.

 

[steveyz250fpilot]

I give up, Greater Yamaha?

I give up too! Ha! I have no clue what it is!

 

[Big Kahuna]

mystory head

 

[steveyz250fpilot]

Bump!! C'mon.....it's time to up the compression, and I'm in need of some new domes. nobody has a clue?:smile:

 

[Mark44]

p

Bump!! C'mon.....it's time to up the compression, and I'm in need of some new domes. nobody has a clue?:smile:

Nope!

Mark44

 

[YAMA CAT]

Hey Steve, I think it's time to pop of that head and see what's marked on those domes.

 

[nikad58]

It's on a 62T 701

Reading ~152 per cylinder on the compression guage

I betting.... its... its... A wrong fitting on your compression gauge !!
Try a long reach one !

Oh the head.. A blem from ADA or the 2008 superjet head !

 

[sjetrider]

lets see the domes if they are interchangable that is.