Ultima Black Gem Engine

Just after the frame, the choice of an engine is the most important decision to make when building a bike from the ground up. Power, reliability, warranty…and looks. Regarding this last aspect, most of the engines I use on my customs go through the beauty look process. Polishing, powder coating in part or in full, even applying 1-stage heat resistant paint work. In any case it will require a fully disassembled engine, application of the treatment of your choice, then a meticulous reassembly. Always aesthetically worth it, but with a lot of time & money involved. But if you are looking for a complete blacked out engine ready to be dropped in your frame, Ultima Products now offers a “Black Gem Motor” available in the most popular El Bruto 113 ci & 127 ci displacements. The treatment applied is black nickel plating and the warranty is the same as the other Ultima engines. Contact your local Midwest dealer for pricing & more information. For products info & news go to Ultima Products & Midwest MC.


14 Responses to “Ultima Black Gem Engine”

  1. 1 BigHand Dec 23rd, 2008 at 9:36 am

    Who is Ultima ? Can you call them and talk to a technican ? Is Ultima American engineered and American made ? Are the engines any good ?

  2. 2 madpuppy Dec 23rd, 2008 at 10:04 am

    Well, BigHand to my knowledge they are made in the state of Missouri, in the USA, and I know quite a few builders that use there “El Bruto” motors, I like them, just my two cents.

  3. 3 Troy Dec 23rd, 2008 at 12:24 pm

    I have a 127 c.i. El Bruto in my personal bike and it has much horsepower and torque, A much stronger engine than the S&S 124. They need a really good induction and short , step-tuned pipes to get maximum flow through the heads , but they do flow! Mine has been to 106 M.P.H. in 6th gear at 3000 R.P.M. : redline is about 5500 R.P.M. My only problem has been the check ball staying open on the oil pump and allowing it to wet sump and not getting to ride enough. The cases are on the S&S design but are beefed up in the right places and more fin area. Not as cosmetically pleasing as an S&S engine but stout. They claim to be made in the U.S.A. and you don’t have to sign up with a bunch of other vendors to get one. They have excellent rod to stroke ratios. I know it sounds like I work for them but I just love horsepower and these El Bruto engines have that.

  4. 4 Doc Robinson Dec 23rd, 2008 at 4:45 pm

    So does anyone really know where they are manufactured? I’ve heard Mexico and China mentioned.

  5. 5 Jeff Nicklus Dec 23rd, 2008 at 5:59 pm

    The engines are in fact built in Missouri, not Mexico or China …… as far as I am aware the engine is 100% American Made. I have used several without complaint.

    Over & Out,


  6. 6 Doc Robinson Dec 24th, 2008 at 8:05 am

    Thanks Jeff. Appreciate knowing that.

  7. 7 Butch Kromrey Dec 24th, 2008 at 10:37 pm

    I am a Canadian distributor for Midwest Motorcycle Supplies,they produce and sell the Ultima Products,I have used many Ultima engines in customer builds as well as my own rides using 96,100,113,127 engines. The 127 is not for the feint of heart,I use the 113 in all my Rockstars I sell. Excellent power and torgue with very good fuel milage to go with it. You must use better pipes I recomend 2into 1 Vance and Hines or simalar..If any one needs more advice or a sale ,I can drop ship any where in North America. Check out ULTIMA PRODUCTS on the web,yes American Made Rules…

  8. 8 madpuppy Dec 27th, 2008 at 10:07 am

    Yea, thanks Jeff. I recon I didn`t spell Missouri right ! LOL

  9. 9 nathan Feb 10th, 2009 at 7:35 pm

    ok i plan on getting one of these engines but what trans would be good because i was thinking a 4 speed baker but that engine would be harder than hell to kick over i would think if anyone has this setup or know what would be a good drivetrain get bak to me and quick it starting to get nice and my money s burning a hole in my pocket need to ride

  10. 10 Mike Stoehr May 16th, 2009 at 10:29 pm

    Can someone help me? I just bought a custom built bike….. ( One off ) it was built in 1995 and I am sure that it has an Ultima Motor…. but not sure what size it is. The serial number stamped on the jug says U 0093.

    I love the bike and it has pleanty of “go”…. but it’s emabarrasing to not know what engine I have.

    Is there any other tips to identify…. short of pulling the engine apart and measuring pistons?

  11. 11 chris Jun 22nd, 2009 at 6:27 am

    hi..am build`n a pro street use`n ultima products….127….ultima 6 speed

    want to run a hyd clutch????? have a zodiac part no 302182 for the box

    will it work? or what will? am out here in australia

    no one know`s! or wont say……can anyone help??????????????

    cheers chris..

  12. 12 Jay Jan 2nd, 2011 at 4:08 am

    that motor u have is a haus !!!!!
    From what ive seen , it will hull out that ultima tranny!!!
    Especially if its RSD. Get u a Baker!!!!

  13. 13 Jay Jan 2nd, 2011 at 4:10 am

    I have a black gem 127 and doing a build, gonna take me a while because im paying for it as i go
    I have a friend that has a 127 Natural, on a chopper, it hulled out 2 revtechs and 1 ultima. He finally went to a Baker
    jus saying

  14. 14 paul jackson Jan 23rd, 2012 at 9:41 pm

    I too have a custom bike with an ultima motor. It was built in 03. Im not sure which size el- bruto i have. Its supposed to be a 113, but it was also supposed to be an S&S … The ser no is CE03537391. according to their web site, the CE indicates the el bruto family. 100″-121″. 03 is the year of manufacture. The last character is supposed to be a letter that indicates the CI’s. My ser no has one too many characters, and they aren’t letters. Can anyone clear this up for me, or tell me how to get in touch with ULTIMA? I have looked for a phone # on all their sites with no luck.


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