Hastings Ring End Gap Clearances

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olympus

olympus

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Hi Gents
Could someone please confirm Minimum piston ring end gap clearances on a 750, with rings in the barrel (Hastings rings) just had bored so want to check as correct.

Thank you
 
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The accepted norm is 0.004 - 0.0045.

Having seized up a piston once, I prefer about one thou more, especially if one is in a hot climate.

Slick
 
Thanks Slick,
Researching I checked on the Hastings ring site & found the below. as I have 12th on both top & bottom, were spot on... thank you

RECOMMENDED

AUTOMOTIVE COMPRESSION

RING GAP CLEARANCES

Cylinder Ring Gap

Diameter Tolerance

1.0000" to 2.3624" .006 to .014

2.3625" to 2.9524" .008 to .016

2.9525" to 3.5424" .010 to .020

3.5425" to 4.3299" .012 to .022

4.3300" to 5.1174" .014 to .026

5.1175" to 5.9049" .016 to .030

5.9050" to 6.8899" .020 to .035

6.8900" to 8.9999" .024 to .041
 
olympus said:
Hi Gents
Could someone please confirm Minimum piston ring end gap clearances on a 750, with rings in the barrel (Hastings rings) just had bored so want to check as correct.
Click to expand...

I think perhaps you need to edit the thread title (or I can?) as I believe texasSlick has quoted piston clearance.
 
RTFM
Hastings Ring End Gap Clearances
 
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I did indeed quote piston clearance. My bad ..... sorry if I caused any confusion.

Slick
 
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