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Old 04-23-2012, 06:50 AM   #1291
Indy Unlimited
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Alloy spacers are nice but would bring the cost up on the kit. I cant seem to find and cheap premade spacers so The O-rings are all I got. Some guys have used PVC pipe and cut the length to fit as a spacer.
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Old 04-24-2012, 12:32 AM   #1292
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Quote:
Originally Posted by Indy Unlimited View Post
Alloy spacers are nice but would bring the cost up on the kit. I cant seem to find and cheap premade spacers so The O-rings are all I got. Some guys have used PVC pipe and cut the length to fit as a spacer.
What size spacer do you need ?
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Old 04-24-2012, 05:30 AM   #1293
Snowy
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20mm I.D and approx 10mm width. I just happened to have a 100mm length of thick walled alloy machined spacer sitting in a box full of axles and swing arm pivot bolts from various rebuilds and modifications I've done. It pays as well to hunt around at the local wreckers for the sort of stuff they just bin and send to the recyclers.

By the time I finished the spacers on the bottom of the shock were approx 9mm wide, countersunk on one side to help accommodate the width of the O-ring I used to help seal the bearing from crud ingress. Even thought the bearing has a seal, I wanted some kind of external seal as well.

Seems to work well.
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Old 04-24-2012, 06:24 PM   #1294
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Good job Snowy can you post a pic of the assembly? Or email it to me and I can host it.
Thanks.
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Old 04-25-2012, 03:37 AM   #1295
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wilco.
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Old 04-25-2012, 02:25 PM   #1296
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On my top bolt I used (2) part # 2640T24 from McMaster-Carr instead of the O-rings.

http://www.mcmaster.com/#catalog/118/1140/=h9i47f

ID 20mm, OD 26mm just like the bearing itself, so nothing rubs the shock body. I bought 2, filed one down to just under 10mm, and the other to just under 12mm and used them where the O-rings are supposed to live.

I'm not sure if the shock would walk back and forth on the Indy shaft, but with the wiring right there, I feel better with it held in place laterally.
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Old 04-25-2012, 02:44 PM   #1297
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I got 30,000 miles on my Hyperpro kit using the spacer O-rings and the shock finds it home and seems to stay there. If i can get cheap spacers to fit without filing / milling and not requiring doubling the price of the kits I will start providing them. For now the O-rings seem to work for most.
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Old 04-25-2012, 06:35 PM   #1298
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I'm sure the o-rings are fine. I'm just OCD about detail stuff.
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Old 04-26-2012, 04:27 AM   #1299
Snowy
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Alloy spacer either side, the bearing side of each spacer was counter sunk so that a an o-ring with a smaller section than those in the kit can almost compress completely into it.

The bearing is actually slightly narrower than the bottom of the shock, so the o-ring stops the alloy contacting alloy directly and gives the o-ring a space to work in.

Packed the bearings with moly grease that I mix myself from teflon grease that I add moly to.


I did the same with the top shock bolt, plus I modified the Ralle Moto brace as per earlier in this thread.. It'll have to wait until I've got it stripped for pics, which might be a while as I'm having shoulder reconstruction first thing in the morning.

Looking forward to physio on my bike.

Cheers Indy.

I just noticed from the pic that the swingarm where the shock locates is not parallel. I suppose the o-rings will take up some of that.
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Old 04-26-2012, 05:27 AM   #1300
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The top with the McMaster bushing/spacers. I was due to pull it open and check that it was working anyway:

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Old 04-26-2012, 05:43 AM   #1301
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I had PVC pipe on the top of mine, but when I stripped it down after a couple of weeks one side had crushed, the shock was off centre, and the Indy sleeve had shiny marks from the roller bearings . The bearing felt rough, like there was a flat spot.

No idea why it would manage to wind up canted, but I pulled the shock out and started again, washing out and repacking the bearing, turning the sleeve around.

All working fine now.
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Old 04-26-2012, 06:23 AM   #1302
Indy Unlimited
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Yeah I recommend you space the shock out to where it wants to sit rather then centering it.
Also dont forget to grease the bearings yearly for street riding and quarterly for off road riding.
Wear on surface is normal but if you see flaking that is usually a sign of not enough heavy grease.
I reommend Bel-Ray waterproof synthetic grease. I use it to seal all of my air filters on the dirt bikes as well.
Great product.
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Old 04-27-2012, 06:13 AM   #1303
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Seems like Delrin would make for some nice bushings.
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Old 05-14-2012, 12:56 PM   #1304
Bucko
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Question Torx size for shock bolt, por favor

OK Amigos, I've looked thru several threads and my BMW CD and can't find the size of the Torx bit required for the shock bolts. My T50 flops around like a BB in a cannon, so I'm thinking T60. Anyone ??
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Old 05-15-2012, 06:02 AM   #1305
Snowy
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Originally Posted by Bucko View Post
OK Amigos, I've looked thru several threads and my BMW CD and can't find the size of the Torx bit required for the shock bolts. My T50 flops around like a BB in a cannon, so I'm thinking T60. Anyone ??
Sounds about right. I'm not positive though, and it's minus 4 outside and I'm snug in bed so I'll check in the morning.

Pretty sure it was just the next size up from T50 in my Torx set though.

I'll get back to you.

edit: T55. In my Torx socket set, it's about 3 inch long and that works perfect for top and bottom bolts.

Snowy screwed with this post 05-15-2012 at 03:04 PM
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