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Old 08-18-2009, 05:01 PM   #14
Cal25   Cal25 is offline
 
Join Date: Feb 2008
Location: Terrell and Grapevine Tx.
Posts: 1,585
Re: Zongshen Sierra 200GY-2 Oil Change Tutorial

Quote:
Originally Posted by forchetto
Quote:
Originally Posted by SpudRider
After the new oil is added, start up your engine and slightly loosen the bolt shown below to check for oil flow to the top of the cylinder head.



This procedure will verify that you have the correct oil filer, and it ensures that the camshaft, valve rockers and valve tappets are being lubricated in the cylinder head!
At last!. So that's what that bolt is for...I have a similar one on mine and have been staring at it regularly for ages wondering what it was for...
I wonder if the port is for an external oil cooler? I probably would not want one on a little enduro, but on a street bike it would make sense.


 
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