Seating the bead... 6 ply - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
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post #1 of 13 (permalink) Old 08-11-2019, 03:54 PM Thread Starter
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Seating the bead... 6 ply

Mounted up 1st maxxis razr plus 6ply tire to new. Rear OEM wheel.
That went ok after a struggle and tire irons. Trying to seat the bead.
Im inflating the tire to 20 psi and it is inflating just will not pop into the bead area of the wheel. I deflate and ratchet strap 2 straps in the middle and i inn flate to 28 psi ans still no pop. I can see it needs a little in both sides. Concerned to blow up the tire. Sidewall says 36 pso max just seems too much.

Show i try to seat the bead inflating with or without straps in the middle.yes it is taking in air no matter strap or no strap. Im using a high volume "higher end" bike hand pump pumping up and down.

2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.

Last edited by yfzgambler; 08-11-2019 at 07:41 PM.
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post #2 of 13 (permalink) Old 08-11-2019, 04:04 PM Thread Starter
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2nd attempt. Deflated completely push down on bead both sides and sprayed armor all. C wut happens.

2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.
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post #3 of 13 (permalink) Old 08-11-2019, 04:24 PM Thread Starter
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GOT ER DONE !!! I inflated to 28 psi. Unhook air pump. And bounced the biatch rotating wise. Heard one pop, thought i was done, look at other side not completeley seated more bounce and it popped a 2nd time. Aired down and set at 5 psi.

A TIP when mounting your own tires. When you use a tire iron to push down into wheel push down at same time on the tire same area of tire with your knee or else it will not WANT TO go in. Of course keep opposite end in dropout.
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2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.

Last edited by yfzgambler; 08-11-2019 at 07:40 PM.
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post #4 of 13 (permalink) Old 08-11-2019, 05:15 PM Thread Starter
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Sin I am a little OCD. I MOUNTED THE RAZR LOGO THAT HAD SOME NUMBER STAMPED INTO IT INSIDE AND LINED UP RAZR LOGO OPPOSITE OF Valve stem.

A little bigger than the OEM ones. Looks good.

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2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.

Last edited by yfzgambler; 08-11-2019 at 05:27 PM.
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post #5 of 13 (permalink) Old 08-11-2019, 06:28 PM
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They would of popped right on with soapy water

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post #6 of 13 (permalink) Old 08-13-2019, 12:25 AM
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How much did you pay for the Maxxis? Where did you buy them at? My rears need to be replaced.
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post #7 of 13 (permalink) Old 08-13-2019, 10:57 AM Thread Starter
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Rockymountain months ago had them on my garage just sittind there i think i paid like 105 each at the time. Rockymountain no longer sells these last time i chexked, maybe people did not want to buy them. At one time the rears 20 11 9s 6 ply were on closeout for 89 bucks on rockymountain. Makes my quad look more aggressive. I like the squarish side lugs. BEEFY BEEFY SIDE LUGS.

2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.
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post #8 of 13 (permalink) Old 08-13-2019, 11:04 AM
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I just ordered these from my local dealer they matched the lowest online price I found which was from Motosport.com. If your dealer wants your business they should do the same.


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post #9 of 13 (permalink) Old 08-13-2019, 11:44 AM Thread Starter
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I bet those 18s give lots lots of acceleration with less rotating mass.

2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.
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post #10 of 13 (permalink) Old 08-13-2019, 11:55 AM
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Why didnít you mount the new tires on your se wheels?

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post #11 of 13 (permalink) Old 08-13-2019, 04:03 PM Thread Starter
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Wanted to have a spare rear wheel set. Plus i can squeeze one or 2 more rides on the stockers some time in the future.

2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, thick helicopter tape here and there, some stickers, everything else stock stock stock like the dealer likes it.
PIN IT PIN IT !!! SCREW BREAK IN STEPS and the Owners Manual


On deck.circle: VORTEX ECU/PEAK RACING MOUNT - YOSHI SLIP ON NO SPARKY.
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post #12 of 13 (permalink) Old 08-14-2019, 04:18 PM
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I had the same bead setting problem as you did. I ended up calling up Maxxis for help. Don't use a tie down around your time because you can damage the tire and if the tie down breaks you can get hurt badly! I had one snap and it almost put my truck's windshield out...LOL

I have a vague how to on my post near the middle of the page: https://www.yfzcentral.com/forum/86-...ike-build.html
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post #13 of 13 (permalink) Old 08-15-2019, 12:42 AM
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Seating the bead... 6 ply

Next time when seating bead......soapy water on bead. Get it started. Fill to 10lbs. Count to 20. 15lbs. Count to 20. 20lbs. Count to 20. Do that until you get to 30lbs. The pause allows the tire to stretch and seat a little at a time. Bounce it like a basketball. Rotating the tire a few degrees between each bounce. Yea you heard me right. Like a basketball. Not spiking a football. Slight bounce with a roll. By the time you get 3/4 of the way around it will seat. 6 plys are stiff. They need a little persuasion. 30 lbs seems to be the sweet spot for this method. Less than that it wouldnít seat on two full bounce revolutions when mounting my six plys.

Ohh. Thatís exactly what you did. Iím a dumbass for posting without reading first.


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Last edited by Orange2014; 08-15-2019 at 01:08 AM.
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