Austin Shackles wrote:
> On or around Wed, 27 Aug 2008 05:50:17 -0700 (PDT), Cane
> <CaneUKRM@gmail.com> enlightened us thusly:
>
>> On 27 Aug, 11:00, ens...@bath.ac.uk (M J Carley) wrote:
>>
>>> I am fitting new steering head bearings to the 550/4. The lower
>>> shell has gone in fine but the top one just will not shift and
>>> still stands about 2mm proud of the headstock. I don't want to
>>> hammer it more than I have (using the old shell to cover it) but it
>>> has to be put in its place.
>>>
>>> Is there a magic puller type affair that will let me draw it into
>>> place?
>>
>> Take it to a garage before you break it, you numpty.
>
> now now.
>
> I use a threaded rod with inserts to pull cycle bearings into place.
> In my case, it's a 1/2" whitworth rod.
>
> For motorcycle ones, something a bit more meaty like 20mm might work
> better.
>
> The essence of it is having things to fit the bearing shells which
> make sure they pull parallel to the headstock and don't twist.

I tend to favour using an appropriately-sized socket for such things, rather
than odd washers.