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CB160 Valve seal ??

5K views 12 replies 8 participants last post by  supercub 
#1 ·
Looking at the parts manual for the CB160 i do not see any Valve stem guide seals ,, do these have them ? Auto part Automotive engine part Diagram Transmission part
 
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#8 ·
I think my stems are passing oil as my plugs are oily. Did a top end and new valves, the stem to guide fit was just within limits. I brought new stems and have to ream them to size. Just wondering if the new stems will throw off the center location causing the valves to be offcenter to the seats. Is the best way to ream them in a lathe and then install?
 
#13 ·
The seals are working fine. The bike has been great. I take it for 50 mile rides usually. In all this time I only had an air leak at the low speed mixture screw. I dabbed some hondabond over both of them to seal.
 
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