JGR RM-Z stage 2 kit

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6/14/2019 1:52 PM

Honestly, isn't this just a port job with an ecu, cams, and a high compression piston? Who is going to pay 3.5K for that?

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6/14/2019 2:06 PM

CNC ported cylinder head
Developed by the JGRMX race team
Fully assembled by JGRMX engine techs and ready to install
Kit includes assembled cylinder head, JGRMX-spec camshafts installed, GET RX1 PRO ECU (with WiFi-Com, two-position map switch and installation instructions), JGRMX high-compression piston kit, head gasket, base gasket and NGK spark plug
Uses stock valve train and cam gears (valve springs are appropriately shimmed [450] or exchanged for proper valve control [250])
JGR logo engraved on side of head
Includes head gasket, base gasket & NGK spark plug
Hinson clutch springs are suggested
Requires the use of VP Racing T4 fuel
Available for the 2019-'20 RM-Z250 and 2018-'20 RM-Z450

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6/14/2019 2:11 PM

You will be surprised.....people have money to burn.

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6/14/2019 2:14 PM

“Just”

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6/14/2019 2:17 PM

seth505 wrote:

CNC ported cylinder head
Developed by the JGRMX race team
Fully assembled by JGRMX engine techs and ready to install
Kit includes assembled cylinder head, JGRMX-spec camshafts installed, GET RX1 PRO ECU (with WiFi-Com, two-position map switch and installation instructions), JGRMX high-compression piston kit, head gasket, base gasket and NGK spark plug
Uses stock valve train and cam gears (valve springs are appropriately shimmed [450] or exchanged for proper valve control [250])
JGR logo engraved on side of head
Includes head gasket, base gasket & NGK spark plug
Hinson clutch springs are suggested
Requires the use of VP Racing T4 fuel
Available for the 2019-'20 RM-Z250 and 2018-'20 RM-Z450

Yeah, so what did I miss? Just saying, a well known motor builder charges maybe half that, right?

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6/14/2019 2:19 PM

Have JGR posted any dyno numbers? Is the engine able to keep up with the rest of the 450's after you spend 3.5k on it?

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#1
KX125

6/14/2019 2:33 PM
Edited Date/Time: 6/14/2019 2:34 PM

I know I had a full on ported head/cam/springs/valves/piston/exhaust setup done for way less than that. And it was by a well know guy and it was incredibly fast, too fast sometimes for me.

$3500.00 sounds outrageous to me. Yikes.


No ecu in my case though.

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Ironman Texas, May 17th, 2014, I became an IRONMAN.

6/14/2019 2:37 PM

Id like to see the dyno gains for that price

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2011 Yamaha YZ 250 -MX
1996 Yamaha Banshee 350 -Trails
1982 Chevy S10
2005 Pontiac GTO -451rwhp

6/14/2019 2:37 PM

They're obviously not trying to compete with local engine builders and their target market is not the masses.

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6/14/2019 2:38 PM

seth505 wrote:

CNC ported cylinder head
Developed by the JGRMX race team
Fully assembled by JGRMX engine techs and ready to install
Kit includes assembled cylinder head, JGRMX-spec camshafts installed, GET RX1 PRO ECU (with WiFi-Com, two-position map switch and installation instructions), JGRMX high-compression piston kit, head gasket, base gasket and NGK spark plug
Uses stock valve train and cam gears (valve springs are appropriately shimmed [450] or exchanged for proper valve control [250])
JGR logo engraved on side of head
Includes head gasket, base gasket & NGK spark plug
Hinson clutch springs are suggested
Requires the use of VP Racing T4 fuel
Available for the 2019-'20 RM-Z250 and 2018-'20 RM-Z450

People that have seen their bikes get the hole shot in a Pro race!

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6/14/2019 2:50 PM

You have to consider its coming ready to go at least for 450, either way both are a whole new head assy not using your existing head, I am guessing a new head from Suzuki is at least 6-700 bucks.

I would love to have that full setup for my rmz but if I was going to spend 3-4k on something it would be towards getting A kit suspension not my motor.

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6/14/2019 3:02 PM

So vets can tell people at the track they have a JGR race engine.

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10' 200 XC-w
96' XR600r

6/14/2019 3:42 PM
Edited Date/Time: 6/14/2019 3:44 PM

Im surprised it has stock valves and seats still. No valve job to compliment the porting, and no performance seats. Or at least from what has been said. But you would think if it was included it would be listed. I’m guessing if you sourced your own JE piston, and Webb cams one can put it together much cheaper. But yeah the JGR etching is exclusive. I think it’s a great idea by them and I’m super happy they are investing in the Suzuki. I just wish there was an option to send your own head in as a core to have the stuff installed vs, purchasing a whole,new head assembly to make the package cheaper and more “reasonable”

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6/14/2019 3:50 PM

HenryA wrote:

Have JGR posted any dyno numbers? Is the engine able to keep up with the rest of the 450's after you spend 3.5k on it?

The engine keeps up with other 450s in stock form if you just twist the throttle a little harder

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6/14/2019 3:50 PM

seth505 wrote:

CNC ported cylinder head
Developed by the JGRMX race team
Fully assembled by JGRMX engine techs and ready to install
Kit includes assembled cylinder head, JGRMX-spec camshafts installed, GET RX1 PRO ECU (with WiFi-Com, two-position map switch and installation instructions), JGRMX high-compression piston kit, head gasket, base gasket and NGK spark plug
Uses stock valve train and cam gears (valve springs are appropriately shimmed [450] or exchanged for proper valve control [250])
JGR logo engraved on side of head
Includes head gasket, base gasket & NGK spark plug
Hinson clutch springs are suggested
Requires the use of VP Racing T4 fuel
Available for the 2019-'20 RM-Z250 and 2018-'20 RM-Z450

sandtrack315 wrote:

Yeah, so what did I miss? Just saying, a well known motor builder charges maybe half that, right?

If you want to buy a compete new head - approx 500
new valves - 360
valve springs - 40
buckets - 200
keepers - 5
retainers - 40

1100 ish

Complete Cams plus race ground - DCR cams is getting 1200 for billet sets right now

Then CNC port it - typically a builder retails this service for 600-900 these days at minimum
plus a race piston kit - 350
GET ecu - 900
Assembly - 200
Custom developed maps - priceless

My loose total is 4600 off that

Can you take your EXISTING parts and modify them for cheaper?
Yes
Does JGR want to deal with any of that bullshit - NO

In my world - 4500 is a drop in the bucket for a high level race engine. A twisted build or proven build is generally quoted around 10k - OTD maybe a little less

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6/14/2019 3:59 PM

seth505 wrote:

CNC ported cylinder head
Developed by the JGRMX race team
Fully assembled by JGRMX engine techs and ready to install
Kit includes assembled cylinder head, JGRMX-spec camshafts installed, GET RX1 PRO ECU (with WiFi-Com, two-position map switch and installation instructions), JGRMX high-compression piston kit, head gasket, base gasket and NGK spark plug
Uses stock valve train and cam gears (valve springs are appropriately shimmed [450] or exchanged for proper valve control [250])
JGR logo engraved on side of head
Includes head gasket, base gasket & NGK spark plug
Hinson clutch springs are suggested
Requires the use of VP Racing T4 fuel
Available for the 2019-'20 RM-Z250 and 2018-'20 RM-Z450

sandtrack315 wrote:

Yeah, so what did I miss? Just saying, a well known motor builder charges maybe half that, right?

I think you're paying for the testing and research and legwork that's gone into sorting that kit out. You could do all those things individually and do the research and testing to see what works well together, or you can pay extra and have it all with a single phone call.

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6/14/2019 7:21 PM

It's not too bad considering you can keep your existing head for practice days and or sell.

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6/15/2019 12:05 AM

Yeah, I see what you guys are saying regarding development and getting all new parts. It’s too bad Suzuki and JGR didn’t offer this on new bikes so you’re not paying for two heads, two pistons, and two cam sets when you get a bike. If it was an extra 2500 for the 250f and available on the showroom floor, I think it would sell a lot.

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6/15/2019 1:22 AM

sandtrack315 wrote:

Yeah, I see what you guys are saying regarding development and getting all new parts. It’s too bad Suzuki and JGR didn’t offer this on new bikes so you’re not paying for two heads, two pistons, and two cam sets when you get a bike. If it was an extra 2500 for the 250f and available on the showroom floor, I think it would sell a lot.

You can keep those stock parts for when you sell it and put the kit on your next year bike. It will still be the same

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6/15/2019 1:28 AM

colvin227 wrote:

Im surprised it has stock valves and seats still. No valve job to compliment the porting, and no performance seats. Or at least from what has been said. But you would think if it was included it would be listed. I’m guessing if you sourced your own JE piston, and Webb cams one can put it together much cheaper. But yeah the JGR etching is exclusive. I think it’s a great idea by them and I’m super happy they are investing in the Suzuki. I just wish there was an option to send your own head in as a core to have the stuff installed vs, purchasing a whole,new head assembly to make the package cheaper and more “reasonable”

I will bet any money you like that their kit is far faster, more reliable and better tuned than anything you can put together for less. And I highly doubt that those parts like the JE piston are the same shit anyone can buy off the shelf.

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6/15/2019 1:45 AM

Anyone here own a 19 rmz 250?

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6/15/2019 1:52 AM

Or spend $3500 on tires and Gas. 90% of the population couldn't ride the bikes to there full capability anyway.

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6/15/2019 2:09 AM

sandtrack315 wrote:

Honestly, isn't this just a port job with an ecu, cams, and a high compression piston? Who is going to pay 3.5K for that?

Brand new RMZ are sold over here for around 6k + 3.5 = 9.5 wich is the same price as Honda - Yamaha - KTM/Hus with the same engine specs.

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6/15/2019 4:09 AM

I really wonder if people have even ridden modern suzukis or just regurgitate what they read on the Internet.
Here's some facts, the RM-Z450 is the same horsepower as the Kxf and Yzf, and it has more torque than the kxf, yzf and crf and almost identical to the ktm.
The RM-Z450 is only 1 pound heavier than the Yzf and 2 pounds heavier than the Crf. The suzukis are very close to being an amazing bike, but people think they're down 20hp and 50lbs overweight.

With the JGR package, these motors would be absolute rocket ships! Throw on some WP cone valves and traxx shock and you have a serious weapon of a bike.

Stats to back up my claims
http://www.vitalmx.com/features/2018-Vital-MX-450-Shootout,5510

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6/15/2019 4:46 AM
Edited Date/Time: 6/15/2019 4:49 AM

Rotaholic wrote:

I really wonder if people have even ridden modern suzukis or just regurgitate what they read on the Internet.
Here's some facts, the RM-Z450 is the same horsepower as the Kxf and Yzf, and it has more torque than the kxf, yzf and crf and almost identical to the ktm.
The RM-Z450 is only 1 pound heavier than the Yzf and 2 pounds heavier than the Crf. The suzukis are very close to being an amazing bike, but people think they're down 20hp and 50lbs overweight.

With the JGR package, these motors would be absolute rocket ships! Throw on some WP cone valves and traxx shock and you have a serious weapon of a bike.

Stats to back up my claims
http://www.vitalmx.com/features/2018-Vital-MX-450-Shootout,5510

That’s the whole idea you can update it if you need it or just ride it bone stock at the lowest price around. Kawasaki is in the same price range + they always have some litle extras bits like Kashima coating etc. ( Better buy imo ) However, we are trapped in a system of bike shootouts where reliability is not included in the assessment and horsepower numbers have become a selling point. If a factory decides to lose 10 hp in favor of extending engine hours, they will lose the shootout + negative publications / marketing.

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6/15/2019 5:12 AM
Edited Date/Time: 6/15/2019 5:12 AM

Okay, I have been convinced this isn't the worst deal, and, if I was a Suzuki guy looking for a race bike, I would seriously consider it.

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6/15/2019 5:20 AM

sandtrack315 wrote:

Okay, I have been convinced this isn't the worst deal, and, if I was a Suzuki guy looking for a race bike, I would seriously consider it.

Having all the stock stuff to put back on helps massively. Much the same as buying lets say a-kit vs revalving.

Buy a-kit for 3500 keep stock stuff.
Put stock back on when sell bike. Sell a-kit seperately for lets say 3k. Your out 500 and had a-kit the whole time.

Buy jgr package for 3500. Put back to stock, sell kit for 2500?

Your out 1000 in my scenario vs lets say paying 700 for porting alone that wont add any to resale value and many times even hurts your selling power.

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6/15/2019 5:26 AM
Edited Date/Time: 6/15/2019 5:26 AM

Do people not realize that they can change the ignition on most every bike now? If you try the “ludicrous speed” one.....and still need more.....you are seriously fast!

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6/15/2019 5:32 AM

sandtrack315 wrote:

Okay, I have been convinced this isn't the worst deal, and, if I was a Suzuki guy looking for a race bike, I would seriously consider it.

yz133rider wrote:

Having all the stock stuff to put back on helps massively. Much the same as buying lets say a-kit vs revalving.

Buy a-kit for 3500 keep stock stuff.
Put stock back on when sell bike. Sell a-kit seperately for lets say 3k. Your out 500 and had a-kit the whole time.

Buy jgr package for 3500. Put back to stock, sell kit for 2500?

Your out 1000 in my scenario vs lets say paying 700 for porting alone that wont add any to resale value and many times even hurts your selling power.

Little easier to swap out suspension than motor parts, but I see your point.

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6/15/2019 7:09 AM

The engine kit nearly costs as much as the bike. Lol.

As for putting it back to stock when you sell it and the parts, good luck with that too.

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