So i went to check the gap on these new rings and the top ring measures 0.018'' and the second rings measures 0.014''. Honda recommends 0.008''-0.014''(Top) and 0.016''-0.022''(Second). I can file the second ring and make that work but what about the top ring? What should i do?

These came with a set of RS Machines 81.5mm pistons.

 

I bought 81.5mm RS pistons as well, my top ring gap measures 0.019" to 0.017" and 2nd ring 0.016'-0.017". No filing done either, my machine shop says they're okay to run as is.

Call your machine shop as ask their opinion.

 

how are you measing the gaps???

 

measuring i mean

 

Feeler gauge.

 

what was the piston to wall clearance on the cylinders

 

0.001''.

 

You sure you don't have the rings switched around?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b18bEKcoupe &raquo;</TD></TR><TR><TD CLASS="quote">0.001''.</TD></TR></TABLE>

Meets the range given by honda.

 

since when does RS sell there pistons with hastings rings?... i live down the street and picked up a few sets of pistons from them and they didnt come with hastings

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DSRacing &raquo;</TD></TR><TR><TD CLASS="quote">since when does RS sell there pistons with hastings rings?... i live down the street and picked up a few sets of pistons from them and they didnt come with hastings</TD></TR></TABLE>

My set came with hastings rings.

 

and they were direct from RS

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DSRacing &raquo;</TD></TR><TR><TD CLASS="quote">and they were direct from RS</TD></TR></TABLE>

Yeap.

 

Well they were hastings rings in an Arias bag. But i think Arias uses hastings rings so they would be hastings either way.

And im pretty sure i dont have the rings switched around. The top ring is the shiny one and the second ring is the flat black one right? Im pretty sure thats the way ive always done it in the past but i have never used hastings rings before.

 

best bet is to look at the grooves of the rings itself. notice the difference on the groove style

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ef92b &raquo;</TD></TR><TR><TD CLASS="quote">best bet is to look at the grooves of the rings itself. notice the difference on the groove style

</TD></TR></TABLE>

That's a good look.

 

Neither ring looks like those but i am assuming that is because they are after market. The ring i assumed is the second ring wont fit in the top ring location so i am pretty sure that i have them in the right spot.

 

The second ring (the all flat black) have a circle indentation on one side of the ring to indicate top side. Here is what I am talking about.

With description


Original Pic (for reference)




Modified by dude_123 at 7:29 PM 8/7/2007

 

yeah i think the thicker one wont fit in the top so u shouldnt mix them up. those are good rings i dont see how there's too much gap. did u have it checked for eggshape,and tapper

 

Yeah. This is a fresh bore and hone. Taper is within spec and so is cylinder to wall clearance. I have measured everything with a coordinate measuring machine at work which is accurate down to the micron so i am confident in my clearances. I am going to give hastings a call tomorrow.

 

yeah iwould see if u can get a new ring