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Adding Mojo Blocks And No-mar Bar To Hf Tire Changer

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#1 FotoMoto


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Posted 06 December 2008 - 08:18 PM

I've had the harbor freight bottom bead breaker unit bolted to a crating pallet for about 5 years and did the rest of the tire change by hand with tire spoons with lots of physical effort. Last year, I finally got the m/c tire upper unit when it went on sale but was disappointed with its lack of grip and how easy it would scratch the rims. I tried a couple of possible solutions posted on the interweb but without success. After getting a set of carrozzeria wheels for my RC51, I knew I'd have to find a better way. I went with a set of mojo blocks and the No-Mar bar. While drooling on the no-mar site, I also ordered some of their tire lube paste and spray.

Over the past nearly 30 years of street riding, I've only had a couple of flats but the gremlins came back a couple of weekends ago. While at our lunch stop at a secluded spot, the rear tire on my '51 went completely flat. Amazingly the bike somehow did not fall over in the windy conditions as it was sitting vertical on the sidestand after the 190 completely deflated to zero psi. Side note: we parked right next to a group of hardleys who left a few minutes before us but not one of them came back in to tell us...... :fing02: :wub:

To keep a long story short, I didn't have my usual tire repair kit and the ducati hypermotard rider with me couldn't store a bobby-pin on his bike. One bottle of goop and two cans of fix-a-flat from the closest store got it to seal and pressure up to 25psi which got me to the nearest air supply 20 miles away. YEAH!

But here are the results. YUCK.

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At least it's water based and washed off easily.

And the bastard culprit:

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Back to the tire changer story. The mojo blocks are easy to install; just drill the appropriate size hole into the HF changer mounts for the bolts and install. 5-10 minutes, tops.

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The no-mar bar came with a DVD of the same videos used on their site which is handy as a refresher but after you do one tire change, it becomes second nature. Highly, highly recommended. Sorry, I was by myself and couldn't take pics during the process but their website vids show you the same process on their stand.

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So after a very easy tire change with, more importantly, zero scratches on my pricey rim, I had to go do a quick 100 mile tire test this afternoon along the coast in the "chilly" 60 degree temps. Yeah, I know; the sacrifices I make for you guys! :laugh:

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#2 vfrcapn


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Posted 06 December 2008 - 11:23 PM

Can you add a link for the blocks and bar? I've got the same HF setup but the duct tape on the rim holders doesn't work too well. Not good to spend a bunch of money having your rims powdercoated only to be scratched up. Bike looks great, I really want to have one of those RC's in the garage one of these days.

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#3 FotoMoto


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Posted 06 December 2008 - 11:53 PM

mojoblocks and he has own version of a lever too:


No-Mar bar:


#4 FotoMoto


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Posted 07 December 2008 - 12:04 AM

Another thing: put the new tires in the sun for at least an hour (flip 'em too) and they will be more pliable and much easier to mount.

#5 dutchinterceptor


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Posted 07 December 2008 - 12:20 AM

Yuck!! I filled a car tire with that stuff one time and neglected to tell the guy at the shop about it when he demounted it. He came out of the shop covered in that green stuff and was NOT happy.

I made my own blocks but found that the rim would slip sometimes on the slick plastic. A small piece of inner tube helped to keep it in place.

Also, the No-Mar bar works beautifully but the Mojo lever is actually a lot easier. I currently have both.

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#6 spud786


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Posted 07 December 2008 - 12:21 AM

Another thing: put the new tires in the sun for at least an hour (flip 'em too) and they will be more pliable and much easier to mount.

I had a tire mounted the other day, and they didnt even clean the slime off the rim, new tire had slime on it , like when they blew the tire up forced it out around the rim bead. Just cant get good work these days.

I've thought about a tire changer, but seems to be to be worth the $25, to let somebody else do it, assuming they do a good job. I stopped using cyclegear to mount tires, even if I buy the tire from them. I go to shops with the automatic changer machines. Less likely of bead damage

#7 SondanXX


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Posted 07 December 2008 - 07:07 AM

Mitch is a good guy, I've had his mojo lever for years, got some extra parts for it and also picked up another lever from him as well.

Didn't know he had made some of these blocks, so great post... I've been using those plastic rim strips as a guard and holding the rim down on the HF stand with a couple of ratchet tie downs.... seems to work ok, but I'd like to give these blocks a ride now...

#8 Tightwad


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Posted 07 December 2008 - 09:06 AM

I have and love the bar, still need to get the blocks. Scratched the crap out of my rim last time because I was using the bar wrong....amazing how much easier it is to use correctly.
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#9 BonusVFR


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Posted 07 December 2008 - 06:44 PM

I have had the blocks for a few changes. Good mod! Before I used old cut up bicycle tires, which worked great but the blocks are easier. Have some new NoMar tire iron levers but have not got the technique yet. May have to get the mojo lever one of these days.

#10 mznyc


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Posted 07 December 2008 - 09:54 PM

Got the mojo blocks,and also had problems with the wheel slipping.Used torn up tubes,helped somewhat.Also found that the Mojo bar didn't really work for me when getting the second bead on.Found the No-Mar bar to be a better design.
Think for the money,one of the No-Mar packages is the best value over time if you do a change or two a year.Superior quality over the HF.