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  1. 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
  2. T

    ATOMIK 150cc mid size VAVLE CLEARANCE HELP??

    hey guys,i have a mid size 150cc atomic nitrous,the book came with no specifications for vaulve clearances :/...can some body tell me what the intake an out take should be?? im thinking .4 for intake .6 for out? thanks tono!
    • tono18
    • Thread
    • 150yx 150 lifan atomik nitrous 150cc intake exhaust tdc thou mm top dead centre valve clearances
    • Replies: 6
    • Forum: General Tech Talk
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