Removing Rear Shock - Wrist Twisters
 
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post #1 of 9 Old 03-10-2015, 08:40 PM Thread Starter
Tirone
 
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Removing Rear Shock

Hi all. I need to remove the Y pipe. My understanding is that the bottom shock bolt needs to come off.

Any info / tips would be greatly appreciated. Thanks

Some ride reports:
http://leroylanes.blogspot.com/

On two wheels:
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post #2 of 9 Old 03-10-2015, 08:58 PM
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get rear tire off ground with suspension unloaded. i used center-stand. undo bolt.

2004 919 Uranium

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post #3 of 9 Old 03-10-2015, 08:59 PM Thread Starter
Tirone
 
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Hey thanks. So on center stand and just let the tire hang to undo the bolt? For instance, no slightly supporting the rear tire with a jack or whatever?

Thanks for any clarification.

Some ride reports:
http://leroylanes.blogspot.com/

On two wheels:
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post #4 of 9 Old 03-10-2015, 09:05 PM
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I didn't. You can hold pressure up on rear tire if you are strong enough. otherwise it will just drop to the ground when you take bolt out. to put in you need to lift. may make it easier on you if you remove rear wheel all together. but if you do that there is nothing keeping swingarm from dropping to ground or hitting frame. there is usually very little distance for tire to drop to ground.

2004 919 Uranium

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post #5 of 9 Old 03-10-2015, 11:41 PM
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See here for info on how to remove the Y-Pipe - basically, you'll drop the right rearset down and remove the top and bottom bolts on the shock to just swing it out of the way (need to suspend bike first).



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post #6 of 9 Old 03-11-2015, 01:00 AM
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A text version - I think this came from Mcromo originally:-

1
Be it a centre stand or blocks or axle stands, get the bike up so there is at least 3 inches from the tire to the floor.
2
Remove the left side foot bracket, with the gearshift linkage left intact. (this makes the subsequent work much easier, especially re the use of 1/2 inch drive extensions to allow ratchet or flex handle to be outboard of the swing arm re the lower shock cross bolt)
3
Remove the chain guard/rear hugger.
4
Loosen the remote reservoir clamping band.
5
Remove the little black electrical box that bolts to the frame just below the rear tank clamping arrangement. Just let it dangle so it is not later in the way re manipulating the remote reservoir out and down along the path of the shock body.
6
Remove the lower shock cross bolt.
7
Remove the upper shock cross bolt.
8
With one hand, draw the shock down and out, while using the other hand to manipulate the remote reservoir out along needed path.

It is a piece of cake, and I've done it a number of times.

Do not worry about replacing the special locking nuts for the upper and lower cross bolts - which is what the factory manual tells you to do. Instead, use some Loctite Blue (Medium Strength # 242) or equivalent.

Voila !

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post #7 of 9 Old 03-11-2015, 05:39 AM Thread Starter
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Gentlemen, greatly appreciated!

Some ride reports:
http://leroylanes.blogspot.com/

On two wheels:
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post #8 of 9 Old 03-11-2015, 06:45 AM
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I pivoted the bike up on the side stand, removing pressure on the rear. This allowed me to unbolt the shock and work the Y pipe out. It's easier with a helper, but I've managed to do it without assistance.

2002 919 40,000 miles
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post #9 of 9 Old 03-13-2015, 04:08 PM Thread Starter
Tirone
 
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Thanks again guys. I did have to take off the gas reservoir. Not much else though. Center stand was a great start to get all the bolts out, etc ... Great vids!

Final bit, I had my son hold the bike steady as a raised it another inch or two. Car scissor jack with a 2X10 piece of wood spreading out the pressure. Shock out, Y pipe out, new Y pipe in, shock back in, top bolt through - NOT tightened, lowered the scissors jack. He raised the rear tire a touch, bottom bolt in. He stayed with me until both bolts were tightened. He was out here with me for MAYBE 10 minutes. Probably less.

Thanks for all the tips.

Some ride reports:
http://leroylanes.blogspot.com/

On two wheels:
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