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Old 03-13-2013, 07:22 PM   #1
driggles OP
Joined: Sep 2012
Location: Northeast USA
Oddometer: 40
Final drive outer seal

Posted this at boxerworks and thought i'd post it here too: I have an '88 R100RT monoshock with a leaky outer rear drive seal that I'd like to replace.

Unlike the twin shock models, the four nuts that connect the drive to the swingarm are the twelve-point style, not a hex nut. The tool kit has the correct size wrench, but it doesn't fit over the nut because the nut is too close to the drive shaft housing. Anyone know of a special tool for this task? Anyone that has done this job can weigh in with other advice too! Thanks!
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Old 03-13-2013, 09:20 PM   #2
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Joined: Jun 2007
Location: san jose
Oddometer: 696
The people at Boxerworks answered your question. You are approaching this like a dog with a 4 foot stick trying to get through a 3 foot gate. Think about it.
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Old 03-14-2013, 02:21 AM   #3
Rob Farmer
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Joined: Aug 2002
Location: Loughborough, Leicestershire. England
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grind the spanner down.
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Old 03-14-2013, 08:35 AM   #4
Airhead Wrangler
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Joined: Mar 2008
Location: Back in Seattle, FINALLY
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Originally Posted by Rob Farmer View Post
grind the spanner down.
Put it in neutral and turn your rear wheel over until the bolt you want to loosen is at the 12 o'clock position where the distance between the swingarm and transmission case is the greatest. You should be able to get in there with the stock box end wrench in your toolkit. Then keep turning over for each bolt.

...or pull the swingarm pivot pins and slide the swingarm back a bit for some more breathing space. I assume you're taking it off anyway, so that wouldn't mean any extra work.

one other thing, this belongs in airheads not old school.
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Current rides: HPN #834, '93 R100GSPD "red rocket", '73 R75/5 Toaster mongrel, '80 Ducati Pantah 500SL, '92 DR350, '67 Honda SS50, '80 Honda Chaly.

Airhead Wrangler screwed with this post 03-14-2013 at 08:41 AM
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