MC16 cylinder with F on casting

**Mon Dec 21, 2015 4:03 am » Post: #1 » Download Post**

I read that cylinder barrels should be marked A, B or C - mine both have F on the side. Does this mean they're from a different model, i.e. not NSR250?

**Mon Dec 21, 2015 4:08 am » Post: #2 » Download Post**

Ah apologies, I just found A and B stamped on the two barrels respectively.

If I have them re-plated I will then presumably need to find the right pistons. I see the different pistons listed, but the part number is different depending on the frame number range. Why is this? Unfortunately I can't be sure that my engine left the factory in the frame I have...

**Mon Dec 21, 2015 9:30 am » Post: #3 » Download Post**

You're best off getting [whichever] pistons you want to use, and then sending them in with the barrels, and telling the plater the clearance you want. This is what we do for all our replates.
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Andy.
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**Wed Jan 20, 2016 10:46 am » Post: #4 » Download Post**

Thanks, I've got some OEM MC16 pistons now so the barrels will go off for plating soon.