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General Category => Modifications => Topic started by: Little Pink Steve on May 19, 2020, 11:19:40 AM

Title: Pressing Out The Stem
Post by: Little Pink Steve on May 19, 2020, 11:19:40 AM
When pressing out the FJ stem from the lower yoke, do you press down from the top??
Title: Re: Pressing Out The Stem
Post by: Pat Conlon on May 19, 2020, 11:38:30 AM
No, I pressed the stem out from the bottom, that way I did not risk damaging the top of the stem.

I was not worried about the FJ yoke, I threw that away.
The FJ stem I had to hard weld then turn down the stem base to increase the diameter so as to press fit the FJ stem into the YZF750 yoke. (I have YZF750 USD forks)

I thought about...What if the stem is tapered? Pressing it out from the bottom may screw things up.
However, the FJ yoke is trashed and the FJ stem needs machine work anyway...so no worries.
Title: Re: Pressing Out The Stem
Post by: RPM - Robert on May 19, 2020, 11:57:33 AM
There is a snap ring on the bottom of the FJ stem if I remember correctly. So it has to be pressed from top to bottom. You could force it the other way like Pat but it comes out easier from the top.
Title: Re: Pressing Out The Stem
Post by: Little Pink Steve on May 19, 2020, 12:28:15 PM
Cheers guys, after buggering one for practice, you press down from the top.  If you go the other way you'll destroy both stem and yoke. :sarcastic:
Title: Re: Pressing Out The Stem
Post by: Pat Conlon on May 19, 2020, 01:40:01 PM
What are you doing Steve?
Title: Re: Pressing Out The Stem
Post by: fj1289 on May 19, 2020, 09:27:49 PM
Quote from: Little Pink Steve on May 19, 2020, 12:28:15 PM
Cheers guys, after buggering one for practice, you press down from the top.  If you go the other way you'll destroy both stem and yoke. :sarcastic:

Sorry - a bit late checking on today - I could have saved you some grief    :unknown:

Some press out easier than others - and some make a much louder "bang" when they let go than others too!
Title: Re: Pressing Out The Stem
Post by: Little Pink Steve on May 20, 2020, 03:25:14 AM
Quote from: fj1289 on May 19, 2020, 09:27:49 PM
Quote from: Little Pink Steve on May 19, 2020, 12:28:15 PM
Cheers guys, after buggering one for practice, you press down from the top.  If you go the other way you'll destroy both stem and yoke. :sarcastic:

Sorry - a bit late checking on today - I could have saved you some grief    :unknown:

Some press out easier than others - and some make a much louder "bang" when they let go than others too!

Cheers, I've got spares.
Title: Re: Pressing Out The Stem
Post by: Little Pink Steve on May 20, 2020, 03:26:53 AM
Quote from: Pat Conlon on May 19, 2020, 01:40:01 PM
What are you doing Steve?

Fitting R1 forks.