new motor same knock

Posted by WICHOL98 on
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/new-motor-same-knock-tp458179.html

i have a 79 cb and the og motor had a knock at low rpm and piston #4 didnt worm up at all and i got a different motor and the same piston does the same thing what could it be i replaced the og warness cus it was all hacked up there is spark but idono if there is fuel