Hi Brian, I apologize and I should have taken some pics of the process, but it is pretty straighforward. I included the important information in the video description as far as parts you will need, that was the hardest part to track down, especially that gear. It's been a year since the video and I'm happy to report that it is still functioning properly. BUT if I was doing it again, I would probably go back to the mechanical setup, from what I can tell all you need is the governor and linkage and it should bolt on to the right side of the cylinder. The side case is the same. Extra electronics and cables like that on a dirt bike were a terrible idea to fix a non-problem.
Thanks Mark for doing another bike review. I find your reviews helpful and enjoyable. From what I could tell there wasn't any elevation changes or deep loam at the track you were testing at and from my experience a slower bike can seem adequate or even fast until deep loam or hills are thrown in. Any thoughts?
That's a great point on the soil. I actually did my first shakedown ride on this bike at GTR, which is sandy. The powervalve wasn't working right so I wedged it open. It was definitely a challenge to keep it on the pipe in the sand. The track in the review has some elevation but was 100% manicured hardpack dirt. It's definitely not as fast or hard hitting as a YZ of that year. I think it's fine for beginners but anyone fast is going to want more motor. A friend of mine said there was some sort of mod to epoxy the transfer ports and reshape them that was pretty good.
i have the exact same bike i’m having issues with jetting i’ve searched everywhere and i can’t seem to find a chart for it would you recommend getting a lectron carb or finic around with jetting?
I feel like those carbs for a 125 may be overkill, although I admit I've never ridden with one. But with a 125 you basically have to be wide open. I'd start with the stock jetting specs, FMF and Pro Circuit both have recommended jetting specs on their websites but keep in mind those are both for California temp and elevation. Unless you are at some extreme elevation and temperature, stock should be pretty close most of the time. Hope this helps!
It would be nice if you showed how the RC valve was fixed as the title implies.
Hi Brian, I apologize and I should have taken some pics of the process, but it is pretty straighforward. I included the important information in the video description as far as parts you will need, that was the hardest part to track down, especially that gear. It's been a year since the video and I'm happy to report that it is still functioning properly. BUT if I was doing it again, I would probably go back to the mechanical setup, from what I can tell all you need is the governor and linkage and it should bolt on to the right side of the cylinder. The side case is the same. Extra electronics and cables like that on a dirt bike were a terrible idea to fix a non-problem.
Do you have the link for the power valve fix? I am having problems with my 04.
Thanks Mark for doing another bike review. I find your reviews helpful and enjoyable. From what I could tell there wasn't any elevation changes or deep loam at the track you were testing at and from my experience a slower bike can seem adequate or even fast until deep loam or hills are thrown in. Any thoughts?
That's a great point on the soil. I actually did my first shakedown ride on this bike at GTR, which is sandy. The powervalve wasn't working right so I wedged it open. It was definitely a challenge to keep it on the pipe in the sand. The track in the review has some elevation but was 100% manicured hardpack dirt. It's definitely not as fast or hard hitting as a YZ of that year. I think it's fine for beginners but anyone fast is going to want more motor. A friend of mine said there was some sort of mod to epoxy the transfer ports and reshape them that was pretty good.
i have the exact same bike i’m having issues with jetting i’ve searched everywhere and i can’t seem to find a chart for it would you recommend getting a lectron carb or finic around with jetting?
I feel like those carbs for a 125 may be overkill, although I admit I've never ridden with one. But with a 125 you basically have to be wide open. I'd start with the stock jetting specs, FMF and Pro Circuit both have recommended jetting specs on their websites but keep in mind those are both for California temp and elevation. Unless you are at some extreme elevation and temperature, stock should be pretty close most of the time. Hope this helps!
@@markswartmx56 thanks for the advice man it’ll definitely save me some money going with a jett kit
Please do video on how to do, would greatly help as have the same problem with both 04 cr 125s
Thanks
Does anyone know where I can find the electronic power valves for the 2004 cr125? My engine does not have the power valves in it for some reason
im 5’9 is this a good bike?
Im 6,3 and ride a tc 125, and its fine.