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550 650 top end conversion

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    550 650 top end conversion


    to those that have done this or has knowledge on the 550 bottom end 650 top end. i am doing this conversion right now and was wondering which timing did you use?
    on the bike cliff website there are 2 650 manuals, one states you line up the 2 on the exhaust sprocket and go back 19 roller pins for the 3 mark on the intake sprocket, the other manual says that its 20 roller pins from arrow to arrow. and the 550 also says 20 roller pins. i am using the the 550 cams and sprocket. was wonder which timing i should use on the conversion. ps all parts are from 1981 gs's

    Tags: None zz0.vzymp7ax18
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