Getting back into it...what's the best 125?

FGR01
Posts
6157
Joined
10/1/2006
Location
USA
Fantasy
2/8/2012 12:06pm
FGR01 wrote:
The older YZ engine is better than the 06+ ???? You are the only person in the world that thinks that.
YZ125H1 wrote:
You obviously never rode a 96-01 YZ125 probably the best YZ125 motor. (98 having the most HP) The newer YZ's are some what tame in stock...
You obviously never rode a 96-01 YZ125 probably the best YZ125 motor. (98 having the most HP) The newer YZ's are some what tame in stock form due to all the emissions and stuff. All i have is an FMF pipe on mine and its pretty violent up top (I like hard hitting motors). It all depends on what powerband you like the new YZ motor gets more traction but at the sacrifice of less peak HP. (Like how they kept detuning the CR500 because it was too hard to ride it).

You really cant go wrong with a YZ125 or CR125 very great overall packages.
Why would you make some silly assumption like that? I have ridden basically every YZ125 96-06.

Emissions? On a YZ125? WTH are you talking about??

The 98-99 motor had really nice top end, but the 05+ motor has basically just as much top end and much better mid range and bottom. It is almost universally agreed that the 05+ YZ125 engine is one of the best 125 engines ever made and definitely the best YZ125 engine ever made.
Graphite
Posts
199
Joined
4/1/2008
Location
Oxfordshire, GB
2/8/2012 12:08pm
I lol'd hard when I saw the emissions post.

Wow, just wow.
IceMan446
Posts
4676
Joined
1/10/2010
Location
Sacramento, CA, USA
2/8/2012 12:36pm
My 04 YZ 125 was the best 125 I have ever ridden.

Best all around motor and bike for me.
PC
Posts
482
Joined
8/24/2009
Location
USA
2/8/2012 2:46pm
MXEditor wrote:
What have you done to the Husky?
To get it to run properly I only needed to adjust the powervalve linkage as I was opening too soon and causing a massive bog. I thought it was jetting related and chased my tail for a while until I finally figured out what the problem was. I'm pretty sure Husky has fixed this since 2009.

The bike was 100% ride-able at that point, but I ditched the temperamental Mikuni TMXX for a 36MM PWK ($50 used), installed FMF pipe/silencer ($220) and had the suspension revalved and sprung $400) and its perfect. In fact, it is the most fun bike I've ever ridden, let alone owned. It makes my yz250 and wr300 feel like ill-handling, rocket powered pigs!

A friend once said "its funner to ride a slow bike fast then a fast bike slow" and boy was he right. Having total control and confidence in your machine's handling does wonders for your confidence and speed. Too bad it took me 35 years to learn this!

The Shop

nytsmaC
Posts
5946
Joined
8/10/2009
Location
Frig Off, CA
2/8/2012 5:24pm Edited Date/Time 2/8/2012 5:31pm
MXEditor wrote:
What have you done to the Husky?
PC wrote:
To get it to run properly I only needed to adjust the powervalve linkage as I was opening too soon and causing a massive bog. I...
To get it to run properly I only needed to adjust the powervalve linkage as I was opening too soon and causing a massive bog. I thought it was jetting related and chased my tail for a while until I finally figured out what the problem was. I'm pretty sure Husky has fixed this since 2009.

The bike was 100% ride-able at that point, but I ditched the temperamental Mikuni TMXX for a 36MM PWK ($50 used), installed FMF pipe/silencer ($220) and had the suspension revalved and sprung $400) and its perfect. In fact, it is the most fun bike I've ever ridden, let alone owned. It makes my yz250 and wr300 feel like ill-handling, rocket powered pigs!

A friend once said "its funner to ride a slow bike fast then a fast bike slow" and boy was he right. Having total control and confidence in your machine's handling does wonders for your confidence and speed. Too bad it took me 35 years to learn this!
This. The Husky rips but it doesn't come set up well. The TMXX is a great carb once you get it figured out, which isn't easy. Different needle, slide, pilot and main were required. Even then it's more sensitive to elevation/weather changes than the Keihin. The powervalve actuator on my 2010 had to be adjusted too. The forks come sprung stiffly while the shock is very soft. They look ok on paper but when you go to set your sag you'll see.

Here are the dyno charts, bone stock (jetting/powervalve adjusted only) compared to 144 kit with light cylinder/head work and pipe/silencer. It actually makes my wr300 feel slow, lazy and boring.

2/8/2012 5:30pm
I think when that guy said "emissions" he was referring to how large they made the silencers on the Yamaha two strokes the last few years. So big that those bikes have different number plates on that side to fit it.
2/8/2012 5:32pm
nytsmaC wrote:
This. The Husky rips but it doesn't come set up well. The TMXX is a great carb once you get it figured out, which isn't easy...
This. The Husky rips but it doesn't come set up well. The TMXX is a great carb once you get it figured out, which isn't easy. Different needle, slide, pilot and main were required. Even then it's more sensitive to elevation/weather changes than the Keihin. The powervalve actuator on my 2010 had to be adjusted too. The forks come sprung stiffly while the shock is very soft. They look ok on paper but when you go to set your sag you'll see.

Here are the dyno charts, bone stock (jetting/powervalve adjusted only) compared to 144 kit with light cylinder/head work and pipe/silencer. It actually makes my wr300 feel slow, lazy and boring.

good lord man, is that with the 125cc top end on it? 41hp? The KTM 350SXF makes 38.

Even if thats with the 150 on it, that thing must go like shit through a goose.
Hando
Posts
1571
Joined
11/13/2011
Location
USA
2/8/2012 6:18pm
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike because you'll be riding over your head to make it sing.
wydopen
Posts
1306
Joined
8/17/2011
Location
805, CA, USA
2/8/2012 6:33pm
I'm 200lbs with gear and ride a stock 02 yz 125 on deep loamy tracks with big hills and stepups. I'm not fast by any means but that bike has plenty of power to get me around the track. You just have to work harder for it...there's one stepup after a single that if I hit the corner and single perfect and upshift into 4th on the face I can barley clear. Rode a buddies 450 and I rolled up to the bottom rolled on in 3rd and overjumped it. Takes out all the fun in my opinion. Started ridig again recently after a 5year break and I'm glad to be on the 125. Otherwise I would have relearned with the lazy riding style that most guys have now..never shifting and with minimal corner speed..I'll see a guy and think he's fast until I watch him in the corners. Then I realize it's all bike..my buddy has a kx 250 that he lets me ride but I perfer the one two five. I'm prob faster on it too cause I can manhandle it much better and I ride it way more aggressively.
wydopen
Posts
1306
Joined
8/17/2011
Location
805, CA, USA
2/8/2012 6:37pm
Just got some v force reeds and an fmf silencer. When it's time for a top end it's getting an Eric gorr 144
Hando
Posts
1571
Joined
11/13/2011
Location
USA
2/8/2012 6:38pm
wydopen wrote:
I'm 200lbs with gear and ride a stock 02 yz 125 on deep loamy tracks with big hills and stepups. I'm not fast by any means...
I'm 200lbs with gear and ride a stock 02 yz 125 on deep loamy tracks with big hills and stepups. I'm not fast by any means but that bike has plenty of power to get me around the track. You just have to work harder for it...there's one stepup after a single that if I hit the corner and single perfect and upshift into 4th on the face I can barley clear. Rode a buddies 450 and I rolled up to the bottom rolled on in 3rd and overjumped it. Takes out all the fun in my opinion. Started ridig again recently after a 5year break and I'm glad to be on the 125. Otherwise I would have relearned with the lazy riding style that most guys have now..never shifting and with minimal corner speed..I'll see a guy and think he's fast until I watch him in the corners. Then I realize it's all bike..my buddy has a kx 250 that he lets me ride but I perfer the one two five. I'm prob faster on it too cause I can manhandle it much better and I ride it way more aggressively.
do u rilly think a 250 smoker makes you 'lazy' ??

They are easier to putt around on a track then a 125 IMO but riding one aggressively isn't exactly easy IMO
roughneck
Posts
436
Joined
1/22/2010
Location
Jefferson, OR, USA
2/8/2012 6:41pm Edited Date/Time 2/8/2012 6:46pm
Hando wrote:
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike...
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike because you'll be riding over your head to make it sing.
We had really good luck with the cr125s..they come alive with just a little cylinder work...we had the cylinder ported fmf sst pipe and v-force reeds and it flat ripped...we then went to a 144 big bore..not such a great idea...it was faster before the bore...every bike acts a little different depending on what work you have done and what bolt on parts are added..before you spend big bucks on a big bore kit...do the research..you might have only needed porting and the right pipe..we found the right combo for the 05 to date cr125r's along with suspension settings..

a nice crisp 125 with the right rider on it makes all the difference in the world
FGR01
Posts
6157
Joined
10/1/2006
Location
USA
Fantasy
2/8/2012 7:13pm
I think when that guy said "emissions" he was referring to how large they made the silencers on the Yamaha two strokes the last few years...
I think when that guy said "emissions" he was referring to how large they made the silencers on the Yamaha two strokes the last few years. So big that those bikes have different number plates on that side to fit it.
The bigger muffler (and matching sidepanel) didn't come until 2011 in the US. The purpose was to use the same parts the EU/AUS/JDM bikes had. One world standard. Most people ditch the stock muffler anyway so it's kind of a moot point.
Hando
Posts
1571
Joined
11/13/2011
Location
USA
2/8/2012 7:43pm
Hando wrote:
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike...
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike because you'll be riding over your head to make it sing.
roughneck wrote:
We had really good luck with the cr125s..they come alive with just a little cylinder work...we had the cylinder ported fmf sst pipe and v-force reeds...
We had really good luck with the cr125s..they come alive with just a little cylinder work...we had the cylinder ported fmf sst pipe and v-force reeds and it flat ripped...we then went to a 144 big bore..not such a great idea...it was faster before the bore...every bike acts a little different depending on what work you have done and what bolt on parts are added..before you spend big bucks on a big bore kit...do the research..you might have only needed porting and the right pipe..we found the right combo for the 05 to date cr125r's along with suspension settings..

a nice crisp 125 with the right rider on it makes all the difference in the world
What tracks are you ridng up there??

Aren't most of them pretty hard-packish ??

is it really 'fast' ?? or just on par with a lightly modded yz?
roughneck
Posts
436
Joined
1/22/2010
Location
Jefferson, OR, USA
2/8/2012 8:04pm Edited Date/Time 2/8/2012 8:07pm
Hando wrote:
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike...
The CR is probably one of the better built 125s but its a fucking DOG...if you want to learn how to ride fast, get this bike because you'll be riding over your head to make it sing.
roughneck wrote:
We had really good luck with the cr125s..they come alive with just a little cylinder work...we had the cylinder ported fmf sst pipe and v-force reeds...
We had really good luck with the cr125s..they come alive with just a little cylinder work...we had the cylinder ported fmf sst pipe and v-force reeds and it flat ripped...we then went to a 144 big bore..not such a great idea...it was faster before the bore...every bike acts a little different depending on what work you have done and what bolt on parts are added..before you spend big bucks on a big bore kit...do the research..you might have only needed porting and the right pipe..we found the right combo for the 05 to date cr125r's along with suspension settings..

a nice crisp 125 with the right rider on it makes all the difference in the world
Hando wrote:
What tracks are you ridng up there?? Aren't most of them pretty hard-packish ?? is it really 'fast' ?? or just on par with a lightly...
What tracks are you ridng up there??

Aren't most of them pretty hard-packish ??

is it really 'fast' ?? or just on par with a lightly modded yz?
Washougal..Albany mx park..PIR..Just washington and Oregon mostly..We like the way the honda handles..We also didnt have much luck with the Gorr 144 kit..after shipping it back and forth to Gorr 3 or 4 times we shipped it off to Terry Varner at Varner Motorsports.com..he fixed Gorr's porting job and the bike came alive..rule of thumb for the cr125s is that the 144 is going to far for the thin cylinder..to thin...134..139 would be better...next time it will go to Varnert first..the guys knows 2-strokes
Hando
Posts
1571
Joined
11/13/2011
Location
USA
2/8/2012 8:10pm
the shoug' explains why you think its fast...hard pack :D lol

albany is in between IMO

the CR is a good bike, even if it is a roach in stock form
malachi177
Posts
2281
Joined
12/18/2010
Location
B.C., BC, CA
2/8/2012 8:30pm
Any 125 can be made better to suit the owner. There's so many after market products out there. That's whats great. On my 08 RM125 I put a Pro Circuit pipe and silencer, Boyesen rad valve. Put a set of Pro Taper fatbars-KX high, and sent the suspension to RG3...and that's it. The bike is reliable as hell, goes like a raped ape, and turns on a dime. I can't ask for anything more.
VET176
Posts
1358
Joined
5/13/2011
Location
Brisbane, AU
2/8/2012 10:20pm
wydopen wrote:
I'm 200lbs with gear and ride a stock 02 yz 125 on deep loamy tracks with big hills and stepups. I'm not fast by any means...
I'm 200lbs with gear and ride a stock 02 yz 125 on deep loamy tracks with big hills and stepups. I'm not fast by any means but that bike has plenty of power to get me around the track. You just have to work harder for it...there's one stepup after a single that if I hit the corner and single perfect and upshift into 4th on the face I can barley clear. Rode a buddies 450 and I rolled up to the bottom rolled on in 3rd and overjumped it. Takes out all the fun in my opinion. Started ridig again recently after a 5year break and I'm glad to be on the 125. Otherwise I would have relearned with the lazy riding style that most guys have now..never shifting and with minimal corner speed..I'll see a guy and think he's fast until I watch him in the corners. Then I realize it's all bike..my buddy has a kx 250 that he lets me ride but I perfer the one two five. I'm prob faster on it too cause I can manhandle it much better and I ride it way more aggressively.
ditto: I've ridden many many bikes and as of now am the only Vet in my area racing a 125 (07 SX125). Guess who's having the most fun?

Post a reply to: Getting back into it...what's the best 125?

The Latest