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-   -   Are RD350 LC and RD350 AC pistons are same ? (https://www.team-bhp.com/forum/motorbikes/62235-rd350-lc-rd350-ac-pistons-same.html)

trammway 23rd July 2009 19:35

Are RD350 LC and RD350 AC pistons are same ?
 
1 Attachment(s)
Attachment 163447

I have got this set of Original NOS Yamaha ART piston kits shipped from overseas with the part number reading 4L0-11631-00.

I'm now confused as the part number search from google resulted that this Piston is a LC piston. Anyone got an idea if the same piston could be used in Air Cooled RD350 ?

alok_balsekar 22nd August 2009 04:33

Quote:

Originally Posted by trammway (Post 1398338)
Attachment 163447

I have got this set of Original NOS Yamaha ART piston kits shipped from overseas with the part number reading 4L0-11631-00.

I'm now confused as the part number search from google resulted that this Piston is a LC piston. Anyone got an idea if the same piston could be used in Air Cooled RD350 ?


LC Pistons are Taller than the Aircooled Ones .....

The Transfer port holes in the Piston are of a different shape too ...

yamdoot 22nd August 2009 22:30

both are the same.. LC pistons have larger ports which dont pose a problen for aircooled RD.. height is the same.. theres only a small tang at the skirt which has to be removed for use in aircooled RDs..

alok_balsekar 23rd August 2009 07:34

Quote:

Originally Posted by yamdoot (Post 1445319)
both are the same.. LC pistons have larger ports which dont pose a problen for aircooled RD.. height is the same.. theres only a small tang at the skirt which has to be removed for use in aircooled RDs..

When I got the Orig ARTs removed and was going to put in the "RD350 LC" stamped TKRs I saw the difference ... Got the RD350 ones for TKR ...same height as the ARTs ...

SunnyBoi 23rd August 2009 14:41

Pro-X Piston Modification

yamdoot 23rd August 2009 15:44

Quote:

Originally Posted by alok_balsekar (Post 1445502)
When I got the Orig ARTs removed and was going to put in the "RD350 LC" stamped TKRs I saw the difference ... Got the RD350 ones for TKR ...same height as the ARTs ...

its possible u got fake pistons.. hence the difference..

DeepakMenon 2nd September 2009 20:27

No Difference between a LC and a aircooled piston; the difference in the skirt is of a RZ piston

RZ pistons start with either : 31K; 29L; 2GU

4LO are LC (Non YPVS); most of the TKR pistons that you get in India are 4LO variety

I doubt your pistons are fake from what i see in the pic.. you have a good chance if you picked it up from ebay


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