Author Topic: Piston Ring Query  (Read 120 times)

Offline megamax

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Piston Ring Query
« on: February 15, 2021, 09:01:57 PM »
Hi All

I received a few new sets of Standard Piston rings and was looking to determine their Orientation.

The top and 2nd ring have both got a Capital R which I assume is Riken. All OK

The challenge is which is the top ring and which is second. I have looked at all the guides and think the following

image 516 and 515 are of both rings with an R to be faced upwards

image 514 and 513 are the same ring from either side of the ring. I think this is top ring. It also looks lighter than the other ring...

Image 512 is the second ring I think but seems to have 90 degree sides.... IS That right..

Thanks

Offline Nurse Julie

  • 1973 CB750 UK K2.1977 CB550/4 Mongrel Brat. 1978 CB400/4.
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Re: Piston Ring Query
« Reply #1 on: February 15, 2021, 10:28:29 PM »
Top ring (compression) is the light coloured ring, 2nd ring is the dark coloured ring (scraper) , all markings facing upwards.
Here is a pic of my Cruzinimage 400/4 pistons / rings.

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« Last Edit: February 15, 2021, 10:32:38 PM by Nurse Julie »
Im a Nurse, trust me, this won't hurt.....much !!!

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline megamax

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Re: Piston Ring Query
« Reply #2 on: February 15, 2021, 10:48:45 PM »
Cool, thanks Julie

 

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