Spooning tires off/on - do it yourself? - Wrist Twisters
 
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post #1 of 30 Old 06-02-2012, 06:10 PM Thread Starter
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Spooning tires off/on - do it yourself?

I hate to give money to a shop for tasks I can do myself. And, having grown up at a car shop, and being active in motorsports and other forms of moto-self-flagellation, I've been around the block a bunch of times.

BUT, I have never changed a tire bigger than a Honda XR80 tire.

Skipping the obvious remove/replace wheel steps, what's involved in replacing my own tires on the 919? Will I need to have the new wheel/tire combos balanced?

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post #2 of 30 Old 06-02-2012, 06:17 PM
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A good set of spoons, I would recommend three but two will do, is all you need. As for balancing, just order some Dynabeads, they work like a charm.

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post #3 of 30 Old 06-02-2012, 06:49 PM
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i personally have never done a street tire.... but full size MX dirbike tires are a PAIN. definitely look up youtube vids on how to, they help for all the tricks etc.

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post #4 of 30 Old 06-02-2012, 06:51 PM
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Soapy water and DYNABEADS.

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post #5 of 30 Old 06-02-2012, 06:53 PM
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+1 to the soapy water!

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post #6 of 30 Old 06-02-2012, 06:58 PM
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post #7 of 30 Old 06-02-2012, 07:04 PM
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^^ are these in the helpful section?

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post #8 of 30 Old 06-02-2012, 07:15 PM
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I have a bead breaker very similar to the guy in post #4 https://www.wristtwisters.com/forums/...ion-26788.html. This works very well. Also a 2x4 box for the rotor to "fall into". Wow, even my spoons are not real spoons.... I'm real cheap. I usually use what I have in the shed. I made spoons from old 24" wood clamps. like these.
I just grinded the ends to a nice smooth round tip.
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File Type: jpg 64020718_18inquickclamp.jpg (165.2 KB, 6 views)

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post #9 of 30 Old 06-02-2012, 07:29 PM
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I use .....

Mounting/removing:
-three 24" long flat pry bars.
-Cut up soap jug plastic for between the rim and bar to protect the rim
-spray bottle of soapy water.
-a old chunk of carpet to work on.

Bead breaking:
-a 4ft long 2x4 with one end cut on a 45* angle.
-a good ratchet strap, around the rim and over the end of the board.
-wedge the angled end of the board into the bead, brace the rim with your foot, crank down the ratchet strap and give the board a wiggle.
Works like a charm everytime.

Balancing:
-ceramic beads from walmart craft section. They dont fit into the valve stem like dynabeads, so just pour them in before u seat the tire.
-small food scale and copy the weights from the dynabeads web site.


Did 4 sets this year so far with no complaints, damage or issues.

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post #10 of 30 Old 06-02-2012, 07:33 PM
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Here's an old thread with my setup

https://www.wristtwisters.com/forums/...nge-20714.html

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post #11 of 30 Old 06-02-2012, 11:20 PM
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Posted on here some time back a vid for mounting - they used a number of large zip-ties bound around the tyre so the beads were squished side to side and then (using a lube like soapy water) it is easy to slide the tyre over the rim - cut and remove each zip tie and it is mounted.

Found it:

https://www.wristtwisters.com/forums/...ing-28575.html

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post #12 of 30 Old 06-03-2012, 06:35 AM
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Quote:
Originally Posted by AllanB View Post
Posted on here some time back a vid for mounting - they used a number of large zip-ties bound around the tyre so the beads were squished side to side and then (using a lube like soapy water) it is easy to slide the tyre over the rim - cut and remove each zip tie and it is mounted.

Found it:

https://www.wristtwisters.com/forums/...ing-28575.html
I can attest that it works. I use a nylon strap to pinch the tire beads together at the 6 o'clock position, lube the tire beads (I use pledge furniture polish), push the pinched together portion into the indented portion of the rim and the tire will slip right on with no spooning.

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post #13 of 30 Old 06-03-2012, 07:21 AM
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Quote:
Originally Posted by HeliMech View Post
I use .....

Mounting/removing:
-three 24" long flat pry bars.
-Cut up soap jug plastic for between the rim and bar to protect the rim
-spray bottle of soapy water.
-a old chunk of carpet to work on.

Bead breaking:
-a 4ft long 2x4 with one end cut on a 45* angle.
-a good ratchet strap, around the rim and over the end of the board.
-wedge the angled end of the board into the bead, brace the rim with your foot, crank down the ratchet strap and give the board a wiggle.
Works like a charm everytime.

Balancing:
-ceramic beads from walmart craft section. They dont fit into the valve stem like dynabeads, so just pour them in before u seat the tire.
-small food scale and copy the weights from the dynabeads web site.


Did 4 sets this year so far with no complaints, damage or issues.
I love the frugality of the WalMart Beads.
Rickard will also love it !!

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post #14 of 30 Old 06-05-2012, 04:33 PM
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Osiris and I did this for the first time the other day. Front and Rear tires.

These help immensely.

As well as three of these.

Used some Simple Green solution (or soapy water, Windex, etc.)

We used a 2x4 cut at a 45 degree angle to break the bead, just put it under my truck and used a lever on it.

Bead wasn't quite set on both rims, but they popped into place at about 36 PSI. Had to let just a little bit out on the rear.

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post #15 of 30 Old 06-05-2012, 05:43 PM
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Quote:
Originally Posted by mcromo44

I love the frugality of the WalMart Beads.
Rickard will also love it !!
Hell yeah! I can't believe I didn't think of that. Off to Walmart.

Spoiler:

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post #16 of 30 Old 06-05-2012, 06:02 PM
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Quote:
Originally Posted by rmb View Post
A good set of spoons, I would recommend three but two will do, is all you need...
Quote:
Originally Posted by ariannasdaddy View Post
I made spoons...
Quote:
Originally Posted by g00gl3it View Post
Osiris and I did this for the first time the other day...
Wait... you bought a ghey bike, and now you're talking about doing spooning the other day?


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post #17 of 30 Old 06-05-2012, 06:14 PM
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Quote:
Originally Posted by Pvster View Post
Wait... you bought a ghey bike, and now you're talking about doing spooning the other day?

Yes. Notice you were not invited.

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post #18 of 30 Old 06-05-2012, 07:06 PM
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Quote:
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Yes. Notice you were not invited.
AHEM..... who's flying where this weekend?

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post #19 of 30 Old 06-05-2012, 07:11 PM
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Quote:
Originally Posted by Pvster View Post
AHEM..... who's flying where this weekend?
What - are you inviting me to a party? ..might need to cancel my flight, seems you've been a bit too intimate with 919 baby brother!

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post #20 of 30 Old 06-05-2012, 07:16 PM Thread Starter
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Wow, a LOT of great info and advice here, thanks!!!

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post #21 of 30 Old 06-06-2012, 05:45 AM
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For you fellas that have used the Dynabeads: I was checking out their website, and in the FAQs, they dont recommend them for "road racing" but theyre ok for motorcycles... are they pretty much saying just dont use them on the track, or what? I ride pretty hard, and considering that my local shop only charges $25 for M&B/disposal, im a bit putoff on trying the beads. any input on how hard is too hard while using them?

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post #22 of 30 Old 06-06-2012, 06:28 AM
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They work just fine for any speed I've had them to, I've never felt any vibes from the tires.

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post #23 of 30 Old 06-06-2012, 07:06 AM
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Quote:
Originally Posted by rmb
They work just fine for any speed I've had them to, I've never felt any vibes from the tires.
+1 never had a problem.

Spoiler:

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post #24 of 30 Old 06-06-2012, 08:13 AM
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ok, cool. thanks!

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post #25 of 30 Old 06-06-2012, 08:14 AM
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I always do my own tires


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post #26 of 30 Old 06-06-2012, 08:17 AM
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I always do my own tires

let me be the 27th to say.. I hate you... lol

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post #27 of 30 Old 06-06-2012, 08:41 AM
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post #28 of 30 Old 06-06-2012, 02:12 PM
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Hmm... all these great hints, and no-one mentioned that you can use another motorcycle as a bead breaker? Place the wheel with the tire to be unmounted on flat surface, place the bottom of the kickstand (of another bike - you can't use a bike with one wheel) on the tire right next to the rim, and stand on the tire while pulling the bike toward you (forcing the kickstand down and breaking the bead).

Having said that, I will be using the 2x4 & ratchet strap method next time...

I was really impressed with the frugal guy who posted above who uses WalMart beads and cut-up milk containers for rim protectors and made his own tire irons, but I would suggest that spending about $40 on some Motion Pro rim protectors, 2-3 tire irons, and a valve stem tool would be money well spent. Another thing to remember is that tire shops will often help you if you ask nicely; I have had beads broken on their machines a couple of times and they didn't charge me a penny. They would probably balance a tire for a small fee, too. If you have a set of v-blocks and a set of unsealed bearings to fit your axle (or a wheel truing/building stand), you can probably devise a system to statically balance your tire (let it spin until it rests; the low point is the heaviest, put a weight opposite, spin again). I know a lot of people say high speed vehicle tires should be dynamically balanced but I worked in a bike shop for years and we statically balanced everything and never had a complaint. I have had my 919 up to top speed (235 km/h) on statically balanced tires and never had a problem. I use DynaBeads now but static balancing works fine.

Sport bike tires are relatively easy to change. There is nothing quite like the joy of finishing up a dirt bike tire, wiping the blood off your knuckles, and then inflating the tire - only to find out you pinched the tube when installing it, so now you have to do it all over again (and patch an inner tube, too).

And the standard warnings we gave people when we changed tires in the shop:
- New tire may be slippery for 100 km (less of a problem now, but the mold release agent they used to use was very slippery)
- Pump your brakes before leaving - piston may have been pushed back into caliper
- Do you have a tire pressure gauge in your pocket, and do you use it? If you don't, new tire is a waste of money.

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post #29 of 30 Old 06-06-2012, 03:05 PM
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Quote:
Originally Posted by VitaminD3 View Post
For you fellas that have used the Dynabeads: I was checking out their website, and in the FAQs, they dont recommend them for "road racing" but theyre ok for motorcycles... are they pretty much saying just dont use them on the track, or what? I ride pretty hard, and considering that my local shop only charges $25 for M&B/disposal, im a bit putoff on trying the beads. any input on how hard is too hard while using them?
They specifically exclude Dynabeads for roadracing cars only. The reason is with cornering forces much over 1G the beads pack up on one side of the carcass, and up the sidewall, and may not return to the center for a while. With the beads in completely the wrong place in the tire the balance may be close where they are, but on the other side (toward the inside of the turn) there is nothing. Given the width of racing tires the lack of balance across the width of the tire may cause a severe vibration, loss of traction at just the wrong time, and a possible shunt.

Since motorcycles do not apply much in the way of side loads in corners it's not a problem.

Rob

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post #30 of 30 Old 06-06-2012, 03:16 PM
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Quote:
Originally Posted by robtharalson View Post
They specifically exclude Dynabeads for roadracing cars only. The reason is with cornering forces much over 1G the beads pack up on one side of the carcass, and up the sidewall, and may not return to the center for a while. With the beads in completely the wrong place in the tire the balance may be close where they are, but on the other side (toward the inside of the turn) there is nothing. Given the width of racing tires the lack of balance across the width of the tire may cause a severe vibration, loss of traction at just the wrong time, and a possible shunt.

Since motorcycles do not apply much in the way of side loads in corners it's not a problem.

Rob

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