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Found 51 results

  1. Clutch250f

    Yamaha YZ250X (2016)


    So I've had a good year on the bike and it by far the best best I've owned! So much power and usability. I had to do some mods to even out the throttle by getting the G@ throttle with the cams, as I don't need the Supercross throttle twist in a trial that is tighter than my grip on my beer. This throttle is by far the most useful mod as it evened out the throttle so in tight sections you aren't going zero to the mood in a wrist twitch. Now I put the 8.4 ounce flywheel into her to get more low end and boy did that really make her a lugger. She came with the FMF Gnarly and the FMF Shorty pipe, I replaced the Shorty with a Q as I like "quiet" bike (I say that because it doesn't sound as quiet as my dad Husky TE300) and I need a Sparky. The oversized tank came with her and I swapped out the hand guards for my Cycra ones off my Husky. So my true overall feel for the bike, with these mods this bike has really woken up. I've taken her on a race and outside of me being an idiot and getting my shoulder dislocated just outside the pits. (Yes it's embarrassing) I love the bike. I ride it more than my others. I'd say if you can try one out, you won't go wrong.
  2. I bought the GYTR weighted flywheel and was actually reluctant to put it on fearing it would rob me of lowend, and make the bike feel lazy. So, I finally gave it a try, and wow, what a difference! In recent weeks I put on a ported cylinder, a shorty silencer, and dropped one tooth on the rear sprcket. None of which made a noticable improvement. Now on to the Flywheel weight. A friend who I ride with also has one on his bike and he is always so much smoother in the corners. He actually feared me puting in on! Well his feers were well founded. He now has the best view! From the instant I pulled away I could feel the difference. The bike actually felt 4-stroke like. Not necessarily a good thing in a two-stroke world but in a good way. Instead of blowing through the gears it wound-up like a wide ratio transmission (on the bottom) and didn't rob from the top. It was like I traded HP for torque on the bottom. My corner speed was NOTICIBLY faster in the first lap. Needless to say, for now I am sold and will leave it on!
  3. xcountryfreak

    Yamaha YZ250 (2006)


    06 YZ250 with Carbon fiber gas tank, CF chain guide, CF silencer and pipe guard. Stock powerplant and carb, stock valving in suspension. 2010 YZ450F swingarm, linkage, rear wheel, axle and brake carrier. 2010 Honda CRF450 front brake. Miscellaneous titanium nuts and bolts and Ti rear axle. Applied Racing 22 offset triple clamps. Last weighed in at 211.5 lbs with no gas.
  4. dukeryder

    Yamaha YZ250F (2006)


    Wish I bought a 250F years ago! Love this thing! I'm not a MX racer but a like light bikes for trail riding and the 250F works perfectly. The 250FX is probably where it's at, as this bike's gearing isn't quite wide enough for the fast/open stuff. Riding on some of the 2 track and roads near Moab UT I found myself pinned in 5th a lot. The suspension is great stock, the fork is a little on the stiff side for my liking but I'm swapping to lighter springs and will opt for a revalvle if it's still too harsh but for a MX bike it works really well as is on the trails.
  5. ThumperTalk

    MSR Flywheel Weights

    2 reviews

    Precision machined from stainless steel Bolt-on installation at end of crank; no drilling or tapping required Some applications include CNC machined aluminum ignition cover for more space Makes your machine easier to ride by smoothing out the hit
  6. Canadian K

    Yamaha YZ250 (2006)


    Just rebuilt the YZ250 top end and suspension. Only has 1.1 hours on it after breaking in the new piston and rings. Runs great and I'm really looking forward to riding it this season.
  7. wild-billy

    Yamaha YZ250F (2004)


    This thing goes! ..a real woods monster...!
  8. awalker5171

    Yamaha YZ450F (2013)


    Just bought it this week. I haven't gotten to ride it yet.
  9. ...I want to take 2lbs off of the flywheel. Will this be ok? I do not want to sacrafice ANY bottom end torque or low speed drivability or reliability. You can take the flywheel out with the engine in the frame. Correct?........thanks
  10. BrooklynStreets

    How to remove flywheel nut?

    Hi guys, I'm about to take my flywheel off to replace the starter clutch and do the loctite fixes. I'm a novice mechanic and this is my first time inside this part of the engine. I've read the tutorial and watched a youtube vid but in the vid they used an impact wrench which I don't have. Can anyone tell me how to secure the flywheel so I can remove and then reinstall the flywheel nut to the specified torque? I do have the flywheel puller for once I get this nut off. Also, there is no cs sprocket or chain currently on the bike. Also, what is the correct torque for this nut? I've seen different figures ranging from 36ft lbs to 72.5. Any help would be greatly appreciated! Thanks
  11. Yammy Rider

    Yamaha YZ450F (2007)


    The power is unreal! And extremely satisfying. Mostly use it for trail riding, no mx, but with the heavy flywheel, it chugs right along in slower sections and then flies in faster areas when I ride in the desert without even revving it much. Gave it four stars only because it's carborated and the carb is hard to get to. That's why I haven't jetted it, but it still has plenty of power for me so i haven't gone to the trouble. No complaints otherwise.
  12. mattwel

    Honda CRF450R (2003)


    My first modern dirt bike. So far it is a beast on the trails. Steve Sage set my suspension up just how I wanted and after adding a trail tech 35oz flywheel it is an absolute tractor. Been super easy to work on and get to my liking
  13. EnglertRacing

    Trail Tech Flywheel

    5 reviews

    Trail Tech Flywheels are manufactured from hardened chromoly steel, then carefully machined and balanced by skilled craftsmen. Easy InstallInstallation takes only about 30 minutes and is very simple - no drilling, tapping or grinding required. Use an air ratchet and the correct flywheel puller for easy flywheel installation. Flywheel puller and side case gasket not included with flywheel kits. A Big Difference Adding weight: Increases inertia/torque Smooths power delivery Ride longer with less fatigue Reduces bike stalling at low RPM Top speed not affected Removing weight: Increases acceleration/snap Better throttle response! Increases engine responsiveness (for sand)
  14. Riding my new 011 450 today i stalled it about 20 times from sheer lack of bottom end grunt. Its not rider error, ive been riding for 10 years and race B grade enduro. Ive rode ktms/husaberg enduro bikes all my life and this is my first mx-er. Anyway i was just wanting to know what size is in it stock and whats the aftermarket size i shoud be going for??. I dont want something thats going to sacrifice too much acceleration, as my riding style tends to use the bottom/mid range power more so than revving it out to full throttle. Also will this help with starting after stalling? i swear it took 10 kicks everytime i stalled to get going again. Cheers
  15. Protosouls

    Tame That YZ250!

    I've been thinking about putting a stiffer spring in my carburetor to make the throttle a little harder to twist to make the power more controllable, Not really looking to spend $100+ on the G2 throttle tube system. Anybody thought about this or maybe even done it? Let me know what you guys think, good idea, bad idea? Also, I ordered a 9oz flywheel weight how much does that help with the hit? Thanks!
  16. Hello all, I've been racing a 2011 SXF 350 for the past 1.5 years and I'm overall pleased with the motorcycle. I've added the following: auto clutch (dyna ring) midwest engineering levers (I still manually fan clutch) protection (brake rotor guard, slavens link skid, moose skid plate, circa probend handguards) kick-starter oversized clockwork tank ktm 2-stroke fan kit The one thing that I'm thinking of changing is swapping out the auto clutch for a flywheel weight. Has anyone tried a steahly flywheel weight (8 oz) on a 350 SX-F? Did it significantly reduce stalling and increase 'lug-ability' in tight sections?
  17. I have no experiences with running extra weight on the flywheel just wondering the good and bad of doing so. Will it put strain on crank bearings ? ect .ect . I just ride trails usually, on a 01 cr250 would it be beneficial or a waste ?