no compression

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  1. S

    Brand New Lifan Motor, NO COMPRESSION? HELP PLEASE

    I currently have an SSR125 pit bike and I needed a new motor. I bought a brand new LIFAN 125cc motor, I think I hooked everything up right but not sure if I'm missing anything due to practically having NO COMPRESSION! The clutch cable is disconnected so I know that it is not too tight. The...
    • SSR125
    • Thread
    • lifan 125 new motor swap no compression ssr125 motor
    • Replies: 10
    • Forum: General Tech Talk
  2. D

    yx140 cam issues, anti kickback

    I just put a head back on my engine after I have reseated the valves and put in new piston and rings after a quick hone of the bore. Put it all back together and I have 0 compression. There is no leaks through new head gasket and head bolts are tight. So what is it? My thoughts are on the...
    • DustyFork
    • Thread
    • 140cc anti kickback clearances head issue kick back mechanical no compression tdc top dead centre valve yx140 yx150
    • Replies: 8
    • Forum: General Tech Talk
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