OzVMX Forum

Marque Remarks => Spaniards (Bultaco, Ossa, Montesa etc) => Topic started by: olddirtbikes on April 18, 2025, 09:39:20 pm

Title: Ossa flywheel nut.
Post by: olddirtbikes on April 18, 2025, 09:39:20 pm

  Hi Folks, can anyone tell me the correct way to undo the flywheel nut on a 1974 Ossa Phantom 250 please???
    Thanks, Alan

Title: Re: Ossa flywheel nut.
Post by: PeterC on April 22, 2025, 08:27:02 am

I assume it is a Femsa flywheel. You will need a flywheel holder too stop flywheel rotating, undo nut, remove washers andbthen use cirtect flywheel puller

Title: Re: Ossa flywheel nut.
Post by: Dungar Pilot on April 22, 2025, 06:41:21 pm

Hi Everyone,
It has been a while since working on an OSSA, my memory tells me there is a shock absorbing spring on the end of the crank? Most bikes have springs inside the clutch basket,  OSSA do things differently!

Photos would help you cause.