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Discussion Starter #1
I have been completely restoring my bw80 and when I pulled the head I noticed there is no head gasket! I have not pulled the cylinder yet but I see that it does have the base gasket. I know there is supposed to be a head gasket on there but it has been running since I bought it without one. Is there anything wrong with not running a head gasket? I am about to order one, But just curious, does it effect performance? I am new to 2strokes and have been taking it apart cleaning/inspecting and reassembling to learn more about them.
 

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Running without one would increase the compression ratio. No way it would be worth the risk of potential sealing problems or predetonation.
 

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Discussion Starter #3
Thanks LB. I was thinking maybe the p.o. didn't put one on to raise compression instead of milling the head. Strangely enough I found an unused one in the box of spare parts. This lead me to believe he may have simply forgotten to put it on working in a hurry. After cleaning out the ports and muffler i'm putting it back together now. It's a real pain to get the rings compressed to re-install the piston. It got late so I will try the zip-tie method tomorrow.
 
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