JUSTWANNARACE Posted March 23, 2018 Report Share Posted March 23, 2018 (edited) 5 hours ago, Canadianshee said: I pulled this set off my bike a few months after buying it, they are not oem, but ran fine Sent from my LG-H831 using Tapatalk Are you sure those are NOT oem? I would almost bet those are oem from the pics Edited March 23, 2018 by JUSTWANNARACE Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted March 23, 2018 Report Share Posted March 23, 2018 (edited) I feel like you can tell just by looking at them you know whats up kinda like when you see a tranny (transsexual). You know what the deal is just by glance Edited March 23, 2018 by Ayesully810 Quote Link to comment Share on other sites More sharing options...
JUSTWANNARACE Posted March 23, 2018 Report Share Posted March 23, 2018 3 minutes ago, Ayesully810 said: I feel like you can tell just by looking at them you know whats up kinda like when you see a tranny (transsexual). You know what the deal is just by glance What is your take then on the pics canadianshee posted.. cause I'd put $20 on those being oem. They have all the correct markings, the casting ridges in the intake and transfers, ect.. all point to an oem.. Quote Link to comment Share on other sites More sharing options...
Canadianshee Posted March 23, 2018 Report Share Posted March 23, 2018 Are you sure those are NOT oem? I would almost bet those are oem from the picsI'm 97.78% sure they are knock offs,but I could be wrong. I purchased a set of oem cylinders for rebuild and porting last year. The oem cylinders from yamaha do not have the circle above the 2JU mark, like the set in the pic, that why I thought they may be knock offs. Sent from my LG-H831 using Tapatalk Quote Link to comment Share on other sites More sharing options...
JUSTWANNARACE Posted March 23, 2018 Report Share Posted March 23, 2018 I have a bunch of oem could that have that circle with the #s I think it was from what foundry they came from. And as many sets I have seen and ground that off to polish Quote Link to comment Share on other sites More sharing options...
Canadianshee Posted March 23, 2018 Report Share Posted March 23, 2018 Ahh good point. At some point I was planning on sending this set out to get ported as a spare. If they are oem even better. Sent from my LG-H831 using Tapatalk Quote Link to comment Share on other sites More sharing options...
JUSTWANNARACE Posted March 23, 2018 Report Share Posted March 23, 2018 Many times sitting at the porting table while grinding oem cyls asking myself wtf that little circle ment, that's all I could come up with is foundry identification..lol Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted March 23, 2018 Report Share Posted March 23, 2018 33 minutes ago, JUSTWANNARACE said: What is your take then on the pics canadianshee posted.. cause I'd put $20 on those being oem. They have all the correct markings, the casting ridges in the intake and transfers, ect.. all point to an oem.. as soon as i looked at them i said wow those look JUST like stockers lol Quote Link to comment Share on other sites More sharing options...
Schweet97Z Posted March 23, 2018 Report Share Posted March 23, 2018 So we are back to 2GU being the best marking to tell it’s a stock cylinder? I’ve never seen a Chinese cylinder with those markings. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Toybreaker Posted March 23, 2018 Report Share Posted March 23, 2018 11 hours ago, Ayesully810 said: I feel like you can tell just by looking at them you know whats up kinda like when you see a tranny (transsexual). You know what the deal is just by glance Ever been to Asia? Lots of tranny's you would swear are women...... Quote Link to comment Share on other sites More sharing options...
Canadianshee Posted March 23, 2018 Report Share Posted March 23, 2018 Found 2 more pic for your inspection. Sent from my LG-H831 using Tapatalk Quote Link to comment Share on other sites More sharing options...
ZillaFreak Posted March 23, 2018 Report Share Posted March 23, 2018 17 hours ago, Canadianshee said: I pulled this set off my bike a few months after buying it, they are not oem, but ran fine Sent from my LG-H831 using Tapatalk Chinese. Quote Link to comment Share on other sites More sharing options...
PaymentPlan Posted March 23, 2018 Author Report Share Posted March 23, 2018 4 hours ago, Schweet97Z said: So we are back to 2GU being the best marking to tell it’s a stock cylinder? I’ve never seen a Chinese cylinder with those markings. Sent from my iPhone using Tapatalk So apparently we cant resort to 2GU as indication, according to what ZillaFreak just posted. Quote Link to comment Share on other sites More sharing options...
PaymentPlan Posted March 24, 2018 Author Report Share Posted March 24, 2018 anyone? Bump Quote Link to comment Share on other sites More sharing options...
BANSHEE HP Posted March 24, 2018 Report Share Posted March 24, 2018 the number 4 on 347 should be open on the top not closed/angled like this 4 Quote Link to comment Share on other sites More sharing options...
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