Which head is which??

[motorman]

I have 2 heads. One is a YX160 head and the other a HO head.

Can someone please tell me which is which as I cannot for the life of me remember. lol

 

[SGONE]

One on the left is ho

 

[motorman]

Good to have you back mate!!

Cheers.

 

[my67xr]

Yeah, oval cam gear cover shape on the head is the Ho,
ZHo also has the rocker cover bolt's at the front and back of each cover
Where as the YX have the rocker cover bolt hole's either side of them