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      JUST IN!   04/24/2018

      HOW TO: 4-STROKE PISTON REPLACEMENT DONE RIGHT!

yz250f_spud

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About yz250f_spud

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  • Gender
    Male
  • Location
    Iowa
  1. utah

    Thanks for the replies guys. Just to clarify, I plan on her riding a 4WD utility ATV, not a racer quad. Would we be able to ride from where ever we rent in town to the trail head? Or do we need to trailer?
  2. utah

    Wife and I are flying to Utah in late June for a wedding. Taking a few extra days to hit some of the national parks and other sightseeing. I'd like to rent a dirt bike and ATV for a day and hit a few trails for a day around Moab. Obviously we will just be skimming the surface, but it's what we can fit into the trip. We both ride dirt bikes (YZ250F and TTR125L), but my wife is more comfortable and can ride longer on an ATV. I'm fine with riding an XR400 (or similar) for the day. It's actually easier to keep pace with a four wheeler on a trail bike than a moto bike anyway. We've both ridden Summit County Colorado trails multiple times, so we do have some experience heading out on day-trip trails by ourselves. Rentals: Any suggestions for rentals in this area? (1 bike, 1 ATV). Do they supply gear? At a minimum I'd prefer helmet for both of us and boots for me. Access to the trails - can we ride from where we rent to the trailheads or do I need to rent a vehicle that can pull a trailer? Guided tours - I'm fine with trail suggestions and planning my own route, or if there are guided tours that are recommended I'm not opposed to those. I have multiple latitude 40 trail maps for Colorado and love them. Trail Recommendations: Since we only have a day, what trails would you recommend (again bike and four wheeler). I'd rank good views higher than good technical riding. Loops instead of out-and-back trails preferred. If we can be back in town mid-day for food that would help as we wouldn't need to pack as much. Weather looks pretty hot this time of year (late Jun) so any high altitude trails would be preferred to get some relief from the heat. Do we need to worry about rain? I'm guessing it's primarily dry everyday. For Colorado, we would always plan on it raining every afternoon and pack accordingly. Lodging: We're planning on staying in Moab. Make sense? Or should we be looking at the surrounding areas? TIA
  3. Fully agree. For me, races are day trips so I'm never away from my bike long. I'm more concerned about it being stolen when going on long multi day trail rides/trips or out of the garage, both of which I could be entirely truthful. I'm sure most other racers out there are in the same boat or wouldn't be able to find coverage.
  4. So do you just not tell the company you race? That's basically the position I'm in. They never asked so I never brought it up. Like many of you, the sole reason I have insurance on bikes is for the theft coverage.
  5. Have you guys had issues getting bikes insured if you race? I also have progressive but a buddy reached out to a few companies and was denied because he rode hare scrambles.
  6. You're fine. I've had one intake on my '09 at the min clearance for the last 140hrs. Just keep an eye on them.
  7. You can weld them. The rads are usually a low grade aluminum but it you watch the heat and do short passes you won't mess up the braze on the fins.
  8. Tusk brand with pro taper mounts are great. I spent a bit of time with a bench vice changing the bend so they fit the bars better. Never had an issue with them bending or rotating and I've used them on three bikes going back to 2006. Regardless of what you get, take the time to get them to fit the bars right. No point if they rotate everytime you lay the bike over.
  9. Sounds like you don't have any issues with the pull, just smashing your fingers you leave on the bar. I cut my oem clutch lever so it's only the width of my first two fingers. Smooth it off on a grinding stone. This can cause a safety issue since you're cutting the ball off the end of the lever and have a better chance of stabbing you. I run wrap around bark busters so this isn't an issue.
  10. RM is taking it back. Gonna be about a week before I get a new one. Thanks for the input guys.
  11. Is it typical to have to debur edges like the skirt? I wasn't too impressed given it's an OEM part.
  12. I'm getting ready to put a new piston/rings in my '09 yz250f (after 200hrs). I got the new OEM piston in the mail today from RM ATV/MC and there's some imperfections on the 1st, 2nd, and bottom lands. I can't decide if it's porosity, galling, or just oxidation. I cleaned it with alcohol and SOS pad and can still catch a fingernail over this area. Should I run with this or get a replacement from rockymountain? These pictures are all of the same area. There's also some sharp burrs on the skirt. Should I file these down with a diamond file before installing?
  13. Frame swap? Sent from my HTC6525LVW using ThumperTalk mobile app
    We’ve all heard the saying, “Practice makes perfect.”. I’ve watched numerous videos over the years “practicing” how to hop a log or how to rail a corner from the seat of my couch. But low and behold, I manage to get distracted within 5 minutes of hitting the trails and rarely practice or fully apply many of those skills. Recently, I took the DirtWise "In-Depth" two day class led by legendary off-road racer Shane Watts, in hopes of breaking through my somewhat plateaued skill level. I’m a B class rider with 15 years of riding experience under my belt including track, trail, street, and ice riding. Shane offers three classes in his DirtWise school: a one day “Fundamentals”, a two day “In-Depth”, and a two day “Hardcore” class. Our class consisted of about a dozen riders with a wide range of age and capability. The small class size allowed for individual attention to be given to every rider. Leave your ego at home, you will get called out on bad form and execution for the sake of improvement; the exact intent of this class. One of my immediate realizations was that my body position was nowhere near what I perceived, and I think this was true for several riders in our group. Even though you may feel like you are doing exactly as instructed, it really does take another set of eyes to point out what you are doing wrong. This proved to be true multiple times over the duration of the class. Day one started out with a Slow Ride exercise where the goal is to ride as slowly as possible without dabbing a foot. As basic as this sounds, it's a great way to improve balance, and most importantly, develop good form. The simplicity of the exercise allows you to really focus on the key concepts. Shane repeatedly called out our flaws, reinforcing good form, and execution in the process. The rest of the day included exercises such as accelerating, braking, and flat turns. These are areas where a rider can always improve regardless of skill level. Much like the Slow Ride exercise, I benefited from a coach providing immediate feedback on what I was doing wrong. The class layout allows for an incremental approach for building riding skills. For example, we practiced stoppies and front wheel skids to get a better feel for front wheel traction in order to maximize our time later spent on the braking exercises. Each lesson included a quick overview from Shane, followed by a demo on his bike. He then let us try it out for awhile, giving us feedback as we went along. We would then stop to regroup, where Shane would point out the issues he saw and how to correct those behaviors. This approach allowed us to make mistakes and learn to self-correct, and it also kept from overwhelming the rider with too much information. We could focus on the key concepts for the first attempt, then work on the finer details in the subsequent attempts at each exercise. Our location had a short (~2 minute) lap set-up in the woods that we rode multiple times throughout the two days, allowing us to directly apply what we were learning. It was encouraging to see I was getting more comfortable with my corrected body position and was slowly starting to break some of my bad riding habits (such as riding on the balls of my feet). Several of us adjusted the position of our bike controls to better fit the skills being taught. Some of the drills helped to practice situations riders typically avoid, such as front wheel skids. There is never a time on the trail where you should intentionally lock up your front wheel, but practicing that situation builds comfort and confidence, and teaches you how to correct it. These drills not only make you a better, faster rider, but a safer rider as well. All of the exercises covered in the course can be completed in a flat field, making it easy to recreate and practice at your own riding area or backyard. I’d recommend taking this class with others you typically ride with if at all possible. This allows you to further critique each other on your riding style in the future. Day two involved some more technical drills like rear brake slides, log grinding, and rutted turns. Because of the content in day two, I would not recommend this particular “In-Depth” course to a complete riding novice. Basic clutch, brake, and throttle control is needed for day one, while day two adds a requirement for more aggressive riding in order to be successful. Unfortunately, we had to skip a couple exercises because we did not have the right conditions. Deep ruts didn’t form during the acceleration exercise, removing straight ruts from the curriculum, and the ground was not slick enough to practice power slides, otherwise we would have likely seen some spectacular high-side wrecks. A few of Shane’s lectures were on the long side, but a couple were compounded by what seemed like an endless barrage of questions from the riders… and yes, there are dumb questions. Many were about particular areas on our short lap in the woods. Numbered turns and obstacles would have helped the questions be more direct and allow more time for us to practice skills instead of clarifying questions from the riders. Pros: Individual attention Skills are applicable to both track and trail Long enough session for new skills to stick and old habits to break I definitely improved my riding skills Cons: May be limited opportunities to take the course in your local area Course conditions may dictate what drills you are able to do Spud's Bottom-line I’ve ridden several times since taking this class and can definitely tell my riding has improved. I find myself conscious of my body position and focused on applying the techniques I learned in the class. It was somewhat awkward and slowed me down at first, but bad habits I’ve made over the years are starting to break. I’ve seen big gains by using my body weight (all 160 lbs. of it) to my advantage and getting my weight transferred correctly for accelerating, braking, and cornering. I feel the biggest take-away from the course is that I am now (partially) able to coach myself, as I can point out what I am doing wrong, and self-correct. This is something I don’t think I could have ever gained by watching on-line tutorials. Details @ http://shanewatts.com/ Great bunch of guys in the class!
  14. Yup. Have several in different sizes. It's a piece of brass with a hole in it.