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The official RM144 review lol

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The 2004 Eric Gorr RM 144 with race gas head and “mo better everywhere” porting which is designed to broaden the power band is what I got. Here is my overall impression of it. It is strange.

You know how a 125 is frantic and pipey, well it is no longer like that. I mean it is, kinda, but kinda not. I mena the pipe is still there it is just not in your face. In truth the bike feels slower. I mean that in a good way. Remember, I said it "feels" slower. One thing I noticed first off is that I am ripping through the gears up to 4th gear as I always do and I never really felt myself get there. You know the frantic 125 hit and scream, yet, at the same time, I was saying to myself dayuuum, I am freaking going fast here. It seems like I got there faster. Like I said, it is strange. It is like a 125 but not really yet it is. Feels slow but you go fast, faster. It is pipey but the pipe starts sooner and is broader and with less hit comes less sensation of speed.

Another thing I noticed, you can go into a corner and drop the speed without needing to down shift. Half way though the turn just start to roll on throttle. If you get stuck or bog too much, a quick stab or two of the clutch and good night! No need to downshift.

The bike also does has extra oomph to help throw you over long table tops, it is just not super noticable. it is there though. At 180 pounds that really helps. You know how to clear jumps on a 125 you have to hit the jumps balls to the wall(assuming your not 130 pounds) where a 250 can just lug along and throw itself over the jump with a twist of the grip on the face? Well the 144 is better than a 125 but not as good as a 250 in that regard.

Overall the power is noticeable and really improves the bike everywhere. The difference is not in your face blatant but more subtle. My 150 pound 450F riding buddy remarked “that thing has the juice now! That thing has power everywhere!” Yeah, I would agree, power is broader yet it is subtle at the same time.

I’ll tell you what it does do though. It makes riding it a hell of a lot easier. I am not sure of that is good or bad though. I liked the frantic nature of the 125. I do not want a 250. So, the good thing is that the overall character or personality of the 125 is not gone, it is just calmer. It does all the 125 things, it just easier with less panic. The hit is less yet you go faster. Turns are easier but not 250f easy. Like I said, it is kinda strange to ride.

I sum it up like this. You notice the effects of the power more than you notice the power itself. If that makes sense.

Would I do it again, oh yeah, you betcha.🙂

picture004mediumjn2.jpg

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Question? my Rm needs freshening this winter, and i was considering this, i talked to eric on phone several months ago, very knowledgeable and cool guy, what was your end cost? mine's a 01.

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Once you get more used to the power try n ride it alittle more 125 ish I would suggest going up on the front sprocket before I did on mine I was going through the first 3 gears really qwickly into 4th.

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I forget the cost. 400-450 somewhere in there. It is on the web site.

WAMXP1MP, what year Rm125 and what gearing did you run?

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I have an '06 YZ 144 eric did for me I had to go up 1 tooth on the counter shaft sprocket it used to wheel spin to easy with the stock 13.

I own a suzuki 2 stroke but it's not an RM, ever heard of an RGV 250?

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Yep, 2 stroke cafe racer like the yamaha RG350.

If you went up one tooth does that mean that you were gears 1-2-3 instead of gears 4-5?

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It gives the lower gears more run out / top speed so they aren't so useless try it out what does a front sprocket cost 🙂

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I have a 6 speed so I just go up one gear. Going up 1 in the front means I would never get out of 3rd.

I wish I had a 5 speed for that vr reason though. Not a fan of the 6 speed.

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So does my '06 YZ have a 6 speed and trust me I get it out of 3rd gear often ... you have the extra power now to pull the gearing.

man spends $400 on a engine mod but won't spend $15 for a sprocket to fine tune it 🙂

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The 2004 Eric Gorr RM 144 with race gas head and “mo better everywhere” porting which is designed to broaden the power band is what I got. Here is my overall impression of it. It is strange.

You know how a 125 is frantic and pipey, well it is no longer like that. I mean it is, kinda, but kinda not. I mena the pipe is still there it is just not in your face. In truth the bike feels slower. I mean that in a good way. Remember, I said it "feels" slower. One thing I noticed first off is that I am ripping through the gears up to 4th gear as I always do and I never really felt myself get there. You know the frantic 125 hit and scream, yet, at the same time, I was saying to myself dayuuum, I am freaking going fast here. It seems like I got there faster. Like I said, it is strange. It is like a 125 but not really yet it is. Feels slow but you go fast, faster. It is pipey but the pipe starts sooner and is broader and with less hit comes less sensation of speed.

Another thing I noticed, you can go into a corner and drop the speed without needing to down shift. Half way though the turn just start to roll on throttle. If you get stuck or bog too much, a quick stab or two of the clutch and good night! No need to downshift.

The bike also does has extra oomph to help throw you over long table tops, it is just not super noticable. it is there though. At 180 pounds that really helps. You know how to clear jumps on a 125 you have to hit the jumps balls to the wall(assuming your not 130 pounds) where a 250 can just lug along and throw itself over the jump with a twist of the grip on the face? Well the 144 is better than a 125 but not as good as a 250 in that regard.

Overall the power is noticeable and really improves the bike everywhere. The difference is not in your face blatant but more subtle. My 150 pound 450F riding buddy remarked “that thing has the juice now! That thing has power everywhere!” Yeah, I would agree, power is broader yet it is subtle at the same time.

I’ll tell you what it does do though. It makes riding it a hell of a lot easier. I am not sure of that is good or bad though. I liked the frantic nature of the 125. I do not want a 250. So, the good thing is that the overall character or personality of the 125 is not gone, it is just calmer. It does all the 125 things, it just easier with less panic. The hit is less yet you go faster. Turns are easier but not 250f easy. Like I said, it is kinda strange to ride.

I sum it up like this. You notice the effects of the power more than you notice the power itself. If that makes sense.

Would I do it again, oh yeah, you betcha.🙂

picture004mediumjn2.jpg

I rode Ebecks rm144 today. I think RCannon said it best: If your not prepared to own one of these bikes or have the money to do it dont ride it haha.:D

Its hard to express in words how incredibly fast and fun this bike is. I figured the 144 would just make it better but I had no idea it would make it this good. It runs like a 250f no joke. Torque everywhere and never bogs. You feel like your on a rocketship. I think anyone who has a 125 should get this done. If half of the 250f riders could try out a similar bike I think many would switch. It pulls like a 250f but in a lighter, cheaper, funner package.

I may want one :worthy:

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I rode Ebecks rm144 today. I think RCannon said it best: If your not prepared to own one of these bikes or have the money to do it dont ride it haha.🙂

Its hard to express in words how incredibly fast and fun this bike is. I figured the 144 would just make it better but I had no idea it would make it this good. It runs like a 250f no joke. Torque everywhere and never bogs. You feel like your on a rocketship. I think anyone who has a 125 should get this done. If half of the 250f riders could try out a similar bike I think many would switch. It pulls like a 250f but in a lighter, cheaper, funner package.

I may want one :D

ok i'm sold, teardown this winter, merry christmas to me.

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It is worth mentioning, we were at a long outdoor MX track with lots of elevation changes, deep soft dirt and several rutted uphill sandy sections and 2strokenut iis 6'3 and 230 pounds.

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It is worth mentioning, we were at a long outdoor MX track with lots of elevation changes, deep soft dirt and several rutted uphill sandy sections and 2strokenut iis 6'3 and 230 pounds.
It sound like the 250/ 125 i always wanted, good chance I'll go this way.🙂

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Mine is an 04, the cylinder is differet than the pre 04's. Not sure what the power curve is like on bikes other than the 04. The 04 had more low/mid than most 125's so the broad power porting fattend the already wide power.

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Mine is an 04, the cylinder is differet than the pre 04's. Not sure what the power curve is like on bikes other than the 04. The 04 had more low/mid than most 125's so the broad power porting fattend the already wide power.

Thanks for the tip, I'll research throughly to make my decision, at the least I'll do a stock top end anyway. The set-up I have now runs real good, just needs freshening up. there is about 100 hrs on it, and its slowing down and starting to ooze goo at the pipe.

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Bringing an old thread back up... How is maintaining one of these like? What fuel are you guys runnning? Are you getting around the same amount of hours out of them as you would a stock 125?

Thanks,

Tim

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Nice, write up. How about some video? I love 125's a 144 has to be that much better.

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