Front Tire Loosing Air PSI Need Ideas

[Nukeranger]

Hey Hew,

Which changer do you have? They have the MC One and the Classic Model. I like the classic one but my only worry is tire cleareance is only 31.5" - Won't work for my Jeep Tires. I wonder if I can remove that arm support on the Classic model. Also the bead breaker clearence is only 10", wont work for the 300. Seems like they are working on hitch mounts and they will ship in Apirl.

"CLassic Model" http://www.nomartirechanger.com/Classic_Model_Motorcycle_Tire_Changer_p/tc-classic-a.htm

I bought mine over 10 years ago and it is not listed anymore. I can say that it will do any tire up to 360mm. I do my 305R70-16 tires with no issues. It is about 32.5 inches in diameter.

I just went to measure it and a 35 inch tire seems like the limit. I will say that my good friend and I changed tires with just tire irons and use the weight of the car to break the beads back in the 80's. So, with a little hard work, I don't think I would have a problem with any tire!

 

[Th3InfamousI]

I bought mine over 10 years ago and it is not listed anymore. I can say that it will do any tire up to 360mm. I do my 305R70-16 tires with no issues. It is about 32.5 inches in diameter.

Does it look like either of the models? I think I'll get the MC one and I can probably Rig up a brace for the post. Then I can do my 33" tires

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[Nukeranger]

It looks like the CLASSIC MOTORCYCLE TIRE CHANGER but it was a Junior Pro Model back when I bought it. It ran about $750. I didn't need the top of the line Profession for all the tires on every vehicle I had but the entry model was not going to cut it.

I do have a Harbor Freight Tire Changer also which I mount on pre-drilled holes in the driveway. This works wonders on any size tire.

 

[Th3InfamousI]

It looks like the CLASSIC MOTORCYCLE TIRE CHANGER but it was a Junior Pro Model back when I bought it. It ran about $750. I didn't need the top of the line Profession for all the tires on every vehicle I had but the entry model was not going to cut it.

I do have a Harbor Freight Tire Changer also which I mount on pre-drilled holes in the driveway. This works wonders on any size tire.

Thanks...I figured it was that Jr.Pro Model that they no longer carry.

I think I'm going to get the smaller MC one and use black iron pipe which I can screw into a wall mount when I need it to hold the center post. This should serve the same purpose as the Arm on the Classic Model but yet not restrictive to tire OD size. The MC one actually comes with the better locking POSI Clamps that you would have to pay $150 extra for on the Classic Model.

 

[Joose3]

I went to the No-Mar Tire Changer website and they offer the Cycle Hill Professional Model. They stated on the website that this model replaces the Jr. Pro Model.

 

[Joose3]

Has anyone changed a 300 tire with any of these No-Mar Tire Changers? I have seen a video changing of a 250 tire but only one video on a 300 tire. It looked quite difficult.

 

[Th3InfamousI]

Has anyone changed a 300 tire with any of these No-Mar Tire Changers? I have seen a video changing of a 250 tire but only one video on a 300 tire. It looked quite difficult.

Hew does his 330. I'm sure the first two changes you are learning the ropes after that probably gravy

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[BWG56]

Hew does his 330. I'm sure the first two changes you are learning the ropes after that probably gravy

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The problem with your theory on learning is its too far apart between tire changes to remember what you did the last time. It is very difficult on a low profile tire because of the small side wall, to stretch the bead up over the wheel cause of the stiffness in the sidewall. I found it much easier to just break the bead and cut the tire in the middle around the circumference until you have 2 clam shells so to speak, this way there is no pressure from the tire itself and if you lube it up, it will come off very easy.

 

[Th3InfamousI]

The problem with your theory on learning is its too far apart between tire changes to remember what you did the last time. It is very difficult on a low profile tire because of the small side wall, to stretch the bead up over the wheel cause of the stiffness in the sidewall. I found it much easier to just break the bead and cut the tire in the middle around the circumference until you have 2 clam shells so to speak, this way there is no pressure from the tire itself and if you lube it up, it will come off very easy.
View attachment 31330

Agreed ...

Check out for No-Mar mount/demount bar. You can buy it for $125 but apparently everything I have read is this tool is the secret sauce. And we know how you like secret sauces.

Search on YouTube and guys on there make it look like butta

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[BWG56]

Agreed ...

Check out for No-Mar mount/demount bar. You can buy it for $125 but apparently everything I have read is this tool is the secret sauce. And we know how you like secret sauces.
Search on YouTube and guys on there make it look like butta
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MY dad always told me, if you have a big enough lever you could move the world, however, no matter how long the bar is, your going to be putting pressure on the aluminum edge of the wheel, Rut Roh, and the tire changer of mine is 500# and you can pull it around real easy prying on a tire.

 

[Th3InfamousI]

MY dad always told me, if you have a big enough lever you could move the world, however, no matter how long the bar is, your going to be putting pressure on the aluminum edge of the wheel, Rut Roh, and the tire changer of mine is 500# and you can pull it around real easy prying on a tire.

The bar has some fancy rubber coated tips to not scratch the aluminium. They are also replaceable when they wear out

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[Joose3]

Well, I've been contemplating buying the Cycle Hill Professional Model. It is $150.00 off till the 31st of this month. It looks like it comes with everything needed. I was just about to order one on-line, but I watched a video on YouTube of a 300 series tire install using a No-Mar changer and the chrome wheel got all scratched. So now I'm not sure. I have a 250 series tire and a 300 series tire that I would like to be able to change.

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[Th3InfamousI]

Well, I've been contemplating buying the Cycle Hill Professional Model. It is $150.00 off till the 31st of this month. It looks like it comes with everything needed. I was just about to order one on-line, but I watched a video on YouTube of a 300 series tire install using a No-Mar changer and the chrome wheel got all scratched. So now I'm not sure. I have a 250 series tire and a 300 series tire that I would like to be able to change.

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Do you have the link handy? I've watched quite a few and never saw a bad one. I'd have to think it is operator error.

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[Joose3]

A guy in Florida bought the top of the line model in 2014 and had the owner of No-Mar do a demonstration on his new changer and scratched the chrome wheel with the No-Mar spoon bar. I don't remember the link but I was at the No-Mar site in the video section. I picked one of the videos and it took me to YouTube and off to the right were other videos. It was like the second or third one down.

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[Joose3]

I found the link: www.youtube.com/watch?v=0c1Rkpz8Rkc

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[BWG56]

The bar has some fancy rubber coated tips to not scratch the aluminium. They are also replaceable when they wear out

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I have the no scratch clamps and insert for the duckbill on my changer and the insert is good for 1 tire and its shot. Normally the duckbill has a roller in it and the pressure on low profile tires, meaning 35 series and lower, if you don't have it adjusted out far enough will roll the aluminum edge of the wheel before you know it. I have been changing tire since 1972 and when someone wants me to change some tires for them, I ask what size are they? If they are 35 and lower, I won't even try them, I have struggled with them too many times, If you have a $3K machine with all the arms hangin off it, your good to go, next problem would be the kid using that machine without experience.

 

[BWG56]

I loved the video of the No mar being demod by the guys that make them. 1st, the bead was previuosly broken and our wheel does not have the relief area to push the bead into in order to put the bar in and just rotate it to remove the tire. And the cost is more than what I paid for the HF one I have. The force on mine to break the bead is 6000# and the torque on the 220 motor to remove the tire is 2000ft/lbs. It will tear a new tire if the bead is not pushed down to allow it to stretch over the wheel

 

[Nukeranger]

Hew does his 330. I'm sure the first two changes you are learning the ropes after that probably gravy

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Yep, Eric is right. I change my 330 as needed. Its capability is 360mm! I think I have a video saved somewhere on a 360mm monster tire change.

 

[Nukeranger]

The problem with your theory on learning is its too far apart between tire changes to remember what you did the last time. It is very difficult on a low profile tire because of the small side wall, to stretch the bead up over the wheel cause of the stiffness in the sidewall. I found it much easier to just break the bead and cut the tire in the middle around the circumference until you have 2 clam shells so to speak, this way there is no pressure from the tire itself and if you lube it up, it will come off very easy.
View attachment 31330

I keep my skill level up by changing car tires and my truck 305/70-R16 tires. I also help friends out. If someone is scratching the Chrome as described in this thread, then they don't have the skill or patience to perform this tire change.

 

[Nukeranger]

I found the link: www.youtube.com/watch?v=0c1Rkpz8Rkc

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I don't break the bead like they do in the video and it appears to me they are struggling which tells me their skill level is below average. Anyone can make a video showing how to screw up. What's the point? I want to see how its done correctly.