torques for a 120R head

[fbn ent]

Is there any difference from stock in head bolt torque for a 120R? 

[Ohio HD]

If it's OEM head gasket use HD's procedure. If a Cometic head gasket , use their procedure.

[kd]

   What Ohio said.   I've  been beating on one for 3 years with Cometic .030 gaskets torqued  the way they say and still nice and dry.

[fbn ent]

The guy up the alley was asking. He's using HD. Personally, I use Cometic to their spec.

[kd]

I agree. Especially with the rubber microfilm they have for insurance. Cometic will mail them out quick if he wants them.  Their base gaskets are top quality too.  Get em both at the same time and spares if he wants. At least that's what I did and was glad when I pulled a barrel to inspect the ring alignment to have them on hand.

[fbn ent]

He's not the listening type....

[kd]

 Then you have to ask yourself why he asks these questions.  I know my OL asks me my opinion on decorating stuff so she knows what she won't be doing.  Apparently trophy deer heads, antlers and fish don't go in the living room. 

[turboprop]

Is there any difference from stock in head bolt torque for a 120R? 

The type of head castings does not change the torque values.

[fbn ent]

I didn't think so as the studs are the same....

[Don D]

Cometic is 6 weeks behind and has zero stock on hand. Drag Specialties has some of Cometics numbers in their warehouses. Cyco has the gaskets you need. By the way the original gaskets used on the 120R are Cometic, a .045 head (may be .040 been a long time since I had one here) and .020 base.

[kd]

That's interesting info on the OEM gaskets.  I am embarrassed that I have had them in my hands so often and not noticed.  FWIW, I measured the crushed OEM and Cometic gaskets for final used sizing and they were right on the advertised dimension.

[jsachs1]

A lot of the manufacturers are supplying the warehouse distributors first. When they get caught up, they will start to fill individual orders.
John

[Hillside Motorcycle]

Use the described torque values that Cometic outlines.
Shy of that, a high tensile yield cylinder stud such as the units manufactured by ARP, are the only addition that one can use, to help secure the clamping load.

[fbn ent]

Use the described torque values that Cometic outlines.
Shy of that, a high tensile yield cylinder stud such as the units manufactured by ARP, are the only addition that one can use, to help secure the clamping load.