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Jumbo Main Bearings

markg
in SWM

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Hi all,

The main bearings in my Jumbo are growling suggesting needing new ones. Question is - do I have to split the cases to replace like the bultaco engine?

Anything I should look out for whilst replacing these?

Thanks in advance!

Markg

  • Quote

    Yes you do have to split the motor. Been awhile for me too, so pay attention to the timing on the rotary intake. Also clean up the gearshift/kickstart shaft while you are at it.

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