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Join Date: May 2003
Location: Phoenix, AZ
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Preload adjustment spanners

Hello all

My new to me R12 has the Ohlins dampers but did not come with the second tool kit that has the special spanners and what not to adjust the front and rear preload.

Anyone have ideas or options on methods / tools to adjust the Ohlins collars without causing the damage?

Thank you

Old 02-23-2021, 04:58 PM
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Motion Pro and Race Tech both sell shock preload spanners.
Chris
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2020 R1250RS,1999 R1100S, 1998 VTR1000, 1982 GPZ 750
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Old 02-24-2021, 02:24 AM
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Ohlins preload

Check out Traxxion preload collars, they come with a torrington bearing to ease adjustment. Actually the bearing is a separate item.

Last edited by boxerebel; 02-24-2021 at 04:26 AM.. Reason: update
Old 02-24-2021, 03:25 AM
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Thanks

The access on the front on the R12 to the collars is quite tight and unique. Does motion pro or Race tech sell that very unusual collar wrench? Anyone have part numbers or a reference of any sort for motion pro or race tech.

The BMW OE wrenches are out of stock and need to be ordered from Germany. If I can get them.

I will also investigate. thanks.
Thank you
Old 02-24-2021, 04:46 AM
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Is the charcoal canister still mounted in front of the front shock?

If I were to adjust my preload on the front again, I would take the body panels off along
with the canister bracket and go to work. As you are in CA, I'm not sure if you
can remove that permanently (tomvv11 chime in anytime....), but moving it out of
the way allows you to use a regular spanner which is much easier... for me... than
using that POS 'U' shaped spanner with the 3/8" ratchet drive knockout.
You should be left with about 1/2" to 5/8" threads showing after adjustment. I'm eyeballing this.

If you don't want to go that route and are some sort of whips, chains safe-word
masochist, I have the 'U' shaped POS spanner to get behind there.

I also have an extra straight spanner to fit the front but I don't have one for the rear.

Let me know either way.

Also worth noting that some other aftermarket shocks have spanners that fit the
front but I'm unsure about the back. Reason I know this is because I had some
progressives on the rear of my airhead years ago and they match up.

I don't have a canister installed anymore but the bracket is being used for an
added reservoir for the front shock. I highly recommend that mod if you are
finicky about your suspension, as the factory setup relegates the bottom
adjustment knob of the front shock, to simultaneous adjust compression and rebound settings,
unlike the rear. In other words, if you set your rebound to
where you like it, but don't like your compression... tough nuts. You're going to
need to find a compromise between the two.
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Old 02-24-2021, 08:11 AM
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Quote:
Originally Posted by BikerMiker View Post
Is the charcoal canister still mounted in front of the front shock?

If I were to adjust my preload on the front again, I would take the body panels off along
with the canister bracket and go to work. As you are in CA, I'm not sure if you
can remove that permanently (tomvv11 chime in anytime....),
*Chime*
All through being triggered by canisters and cats. To each his or her own.
Old 02-24-2021, 05:14 PM
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Ordering a part from Germany through the dealer isn't that big a deal. I had to get an R1200S part earlier from A&S via Germany, and was expecting the worst. But it was around 10 days. Ordered on 6/9 and then A&S shipped to me on 6/17




Quote:
Originally Posted by iammemares View Post
The access on the front on the R12 to the collars is quite tight and unique. Does motion pro or Race tech sell that very unusual collar wrench? Anyone have part numbers or a reference of any sort for motion pro or race tech.

The BMW OE wrenches are out of stock and need to be ordered from Germany. If I can get them.

I will also investigate. thanks.
Thank you

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cRaIg CaRr
2000 Dyna FXDX, 2000 R1100S, R1200S, rNineT, F800GS, S1000XR, Jeep Rubicon, 2001 Corvette, 1978 Porsche 928. 22 pairs of shoes. 24 bottles of beer.
Time Marches On and gone: 2010 F800GS, 2015 F800GS, 2007 R1200S, 2003 Dakar, Buell 1125r, 2001 F650GS. 1999 F650. 1998 HD Sportster Sport. 2010 F150, 1995 GMC Sierra ALL GONE
Old 02-24-2021, 05:15 PM
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