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Found 411 results

  1. Hi i just picked up a 2007 yz250 off craigslist for 1650 bucks. Super clean. It needs a valve adjustment but runs. I know the correct clearances and my shim kit is coming in the mail. That should do it and it should run well as well as a timing adjustment. The compression was pretty bad, i'm guessing because the intake valves had 0 clearence and were sticking open. The exhaust valves are still out of spec but still has clearence. I know the intake valves were the problem because at TDC the intake valves were open. The timing was also off on the intake sprocket by about 2 teeth. Yeah, its pretty messed up, i'm pretty amazed that it ran. It required a lot of throttle to start. I also pulled the carb off and the side of the slide closest to the cylinder has some carbon buildup on it from exhaust gases being forced through the intake valves. what do you guys think? ill let you know how it turns out. also, where can i find the correct feeler gauges to check my clearances? no stores near me carry ones that are small enough for the job. yz250f i mean
  2. p1moyer

    Yamaha YZ250F (2006)


    I love this bike, super smooth ride and very powerful. Sometimes is hard to kickstart when hot though
  3. Hey guys i have just gotten off my Honda crf150r and i am looking for a new bike. I have been to the dealership and have already checked out the Kx250f and the Crf250r. I am looking more at the Rm-z250 then any other bike right now. I need help finding what bike would be best for me. I have never been on a 250 but i am starting racing about a month after getting the bike. I was also offered $5800 for the Kx250f and i know it killed 2012 i am just not sure about a Kawasaki. Honestly i am not sure bout any please help!!
  4. WASHINGTON, D.C. February 26, 2014 – (Motor Sports Newswire) - RECALL SUMMARY Name of product: Yamaha competition off-road motorcycles Hazard: The off-road motorcycle’s drive chain can detach and cause the rider to lose control, posing a crash hazard. Consumer Contact: Yamaha at (800) 962-7926 anytime or online at www.yamahamotorsports.com and under the Sports tab, subcategory Motorcycles-Off-Road, click on Parts and Service, then Factory Modification Campaigns, then models YZ250FE and YZ450FE for more information. RECALL DETAILS Units: About 1,300 Description: This recall involves two-wheeled 2014 Yamaha competition off-road motorcycles with model numbers YZ250FEL, YZ250FEW, YZ450FEL and YZ450FEW. YZ250F or YZ450F and 250 or 450 is printed on the left and right side panels of the motorcycles. The motorcycles are blue and white, or red and white. The VIN number is stamped on the frame at the steering stem. The letter E in the 10th position of the VIN number indicates that the unit was made in the 2014 model year. Incidents/Injuries: None reported Remedy: Consumers should immediately stop using the recalled off-road motorcycles and contact their local Yamaha dealer to schedule a free repair. Yamaha is contacting registered owners directly. Sold at: Yamaha motorcycle dealers nationwide from December 2013 through January 2014 for between $7,500 and $8,500. Importer: Yamaha Motor Corporation USA, of Cypress, Calif. Manufactured in: Japan The U.S. Consumer Product Safety Commission is charged with protecting the public from unreasonable risks of injury or death associated with the use of thousands of types of consumer products under the agency’s jurisdiction. Deaths, injuries, and property damage from consumer product incidents cost the nation more than $1 trillion annually. CPSC is committed to protecting consumers and families from products that pose a fire, electrical, chemical or mechanical hazard. CPSC’s work to help ensure the safety of consumer products – such as toys, cribs, power tools, cigarette lighters and household chemicals -– contributed to a decline in the rate of deaths and injuries associated with consumer products over the past 40 years. Federal law bars any person from selling products subject to a publicly-announced voluntary recall by a manufacturer or a mandatory recall ordered by the Commission.
  5. I got this story in my inbox in Bikebiz Buzz, a dealership newsletter, so I thought I'd share it. The full story is here: http://news.bikebiz.com.au/cdr-yamaha-racing-steps-back-time-conondale-round-mx-nationals/#.U8NCzvmSx9d Here is an excerpt: “Conondale provides the perfect back drop for Yamaha to celebrate our retro round at the MX Nationals,” states CDR Manager, Craig Dack. “It’s an old fashioned motocross track, that opened in 1977 so the yellow look recreates that time and the fans that fill the hill are real dirt bike fans who have been involved in motocross for decades. “In 2013, everyone was excited by our 1983 inspired bikes and I can tell you the bikes this year look even better and with CDR, Serco and the GYTR Yamaha teams all taking part, there will be plenty of yellow and black among the Yamaha blue this year.”
  6. goon_life427

    2001 yz250f- opinions

    I'm looking at getting a 2001 yz250f this weekend as a trade for my 2002 xr200r. is there any weak points on this bike? i know about the compression release being difficult sometimes and a lot of people put the auto decompression cam in it. are they reliable? and how do the 2001-2002 250f's compare to newer ones..ive ridden a 2007 yz250f, how do they compare? the only thing it needs is a new stator to run. im going to look at it this weekends. what is yalls opinion on this?
  7. Going to be a bit long, sorry. I got a 2009 yz250f with the Athena 290 kit off a reputable guy (well maintained). Bike has about 55 hours, kit has about 20 hours. Most of it is stock except the kit and non-engine related stuff. Runs great, sounds great, just a
  8. midgetpounder

    09 yz250f HELP!

    So yesterday I washed my Twin Air Filter and let it dry overnight. About 3 hours ago i reoiled it with PJ1 Foam oil(Black and Red spray can). I installed the filter back into place correctly and went to fire the bike up and nothing... Kicked it over for quite a while. I got it to sputter and want to fire but it wouldn't fire up and start... Did i use the wrong oil? NEED HELP!
  9. Model:YZ 250f 2013 Timing:(YZ or WR) YZ Main jet: stock Pilot jet: stock Fuel screw: stock Needle model/clip position: stock Pipe: DRD ns-4 full system Altitude: 0-750 ft Temperature: 40-80 fahrenheit Other mods: stock Notes: im looking for a snappier response of the gas and more air flow with out any back firing also more top end if possible, as of right now im running a stock exhaust but the DRD pipe is on the way so i was wondering what jetting i should run and any other cheap mods i could do while still having the same reliability, and run just as clean as a stock bike. Im worried that if i dont change my jetting the new pipe will just make it less reponsive and have less top end! Anyone who could shine some light on my situation would be greatly appreciated
  10. Been riding my 14 yz250f for some hours now and thought I write down some words on my impression of the new bike. I'll start of with the handling and suspension. No surprise here...the KYB SSS suspension is absolutely awesome for a stock suspension. My weight is around 80kg and this suspension felt perfect for me. No harsh feeling, no hard landings, felt like it handles predictable with no hick ups or weird feeling. The chassi is stable with a very light feeling . Bike is easy to throw around in the air and feels very nimble. Cornering feels much better than the previous yamaha I had...-12 yz450f. Maybe not as good as a Honda or Suzuki but not far off. The motor feels really fun to ride. Great mid and top powerband ! Comes on good from bottom as well, but most impressive in the mid. Haven't done any remap yet, waiting for the gytr power tuner to show up. I have the fmf complete rct titan system mounted. I have ridden the 14 crf250 and 13 rmz250 and to me this -14 yz250f has a better and more fun motor than the crf250 and more predictable chassi than the Suzuki. Pluss the overall quality and function is top notch ! Was not a fan of the look at first glance but the look has grown on me and with some nice parts and graphics this is one of the best looking bikes out there ! The front brake is not really that good but I have installed a 270mm oversize disc that cures this problem. Much improved braking ! The fit and feel is perfect, feels comfy right away ! I have a Renthal Twinwall 997 installed and that suits my taste as usual. Here is a little video from last weekends riding...
  11. So i just purchased a 2009 yz250f, this is my first bike since a kx80 7 years ago and after riding a little bit noticed it's sagging too much just curious if the stock suspension will hold my 230lbs fat ass... haha. And if so whats the stiffest i can set the stock rear suspension? can i screw it down almost all the way? Or should i invest in another spring set up? Also whats the lowest you can screw down the rear spring? Just don't want to damage the bike and what not. I'm planning on losing a lot of wieght this summer so if i can get away from spending sensless money that'd be great. Any feed back would be awesome!
  12. I just got a 2005 yz250f and it is rather bland, anyone know of any neat graphics or anything (perhaps some pics of a similuar or same year yamaha). I see only about 3 options online and they are all pretty lame. Any ideas? thanks guys!
  13. I had a 2013 kx 250f really didn't like it engine braking didn't like the handling or suspension felt much better my 06 yz 125 better lap times to just wondering if there is a 250f that would work better
  14. How do I make my YZ250FX muffler into a YZ250F muffler ? I want more flow and power. I don't want it to be any noisier than the 250F muffler. Is there anything one can do other than knocking out the silencing cone ? Does the 250F muffler have bigger holes in the baffle or less packing ? FWIW, here are some weights. YZ250FX muffler - 6.41 pounds (my scale) YZ250F muffler - 6 pounds, 6 ounces, someone else weighing theirs FMF Ti Powercore 4, part number 044424 - 5.71 pounds (my scale) All weights without bolts or the clamp. FWIW, FMF sells various spark arrestor inserts as replacement parts. http://www.fmfracing.com/Products/Accessories/343 $30 A full Ti endcap is $50. http://www.fmfracing.com/Products/Accessories/334 The strap mount is $17. http://www.fmfracing.com/Products/Accessories/335
  15. Axel43

    Yamaha YZ250F (2015)

    1 comment

  16. kyleag89

    Yamaha YZ250F (2004)


    Great woods bike but it's no smoker.
  17. 17YZ250F

    Yamaha YZ250F (2017)


  18. oneadem12

    Yamaha YZ250F (2004)


    Solid 250 even though its a four stroke.
  19. Chris.GVS

    Yamaha YZ250F 2017

    2 reviews

    SPECIFICATIONS ENGINE Engine Type: 250cc liquid-cooled DOHC 4-stroke; 4 titanium valves Bore x Stroke: 77.0mm × 53.6mm Compression Ratio: 13.5:1 Fuel Delivery: Yamaha Fuel Injection (YFI), Keihin® 44mm Ignition: TCI: Transistor Controlled Ignition Transmission: Constant mesh 5-speed, multiplate wet clutch Final Drive: Chain CHASSIS Suspension / Front: KYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2 in travel Suspension / Rear: KYB® monoshock; fully adjustable, 12.4 in travel Brakes / Front: Hydraulic single disc brake, 270mm Brakes / Rear: Hydraulic single disc brake, 245mm Tires / Front: 80/100-21 Bridgestone® M403A Tires / Rear: 100/90-19 Bridgestone® M404 DIMENSIONS AND CURB WEIGHT L x W x H: 85.2 in x 32.5 in x 50.4 in Seat Height: 38.0 in Wheelbase: 58.1 in Rake (Caster Angle): 27.1° Trail: 4.6 in Maximum Ground Clearance: 12.8 in Fuel Capacity: 2.0 gal Wet Weight***: 231 lb WARRANTY Warranty: 30 Day (Limited Factory Warranty)
  20. Bryan Bosch

    Yamaha YZ250F 2015

    21 reviews

    ENGINE Type: 249cc liquid-cooled DOHC 4-stroke; 4 titanium valves Bore x Stroke: 77.0mm x 53.6mm Compression Ratio: 13.5:1 Fuel Delivery: Yamaha Fuel Injection (YFI), Keihin® 44mm Ignition TCI: Transistor Controlled Ignition Transmission: Constant-mesh 5-speed; multiplate wet clutch Final Drive: Chain CHASSIS Suspension Front: KYB® Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel Suspension Rear: KYB® Fully adjustable single shock; 12.4-in travel BRAKES Front: Hydraulic single disc brake, 250mm Rear: Hydraulic single disc brake, 245mm TIRES Front: 80/100-21 Bridgestone® M404-A Rear: 100/90-19 Bridgestone® M403 DIMENSIONS L x W x H: 85.2 x 32.5 x 50.4 in Seat Height: 38.0 in Wheelbase: 58.1 in Ground Clearance: 12.8 in Fuel Capacity: 2.0 gal Wet Weight: 231 lb OTHER Warranty: 30 Day (Limited Factory Warranty)
  21. Zach_Yzf250

    Yamaha YZ250F (2005)


    Quick, loud, and fun.
  22. madand71

    Yamaha YZ250F (2002)


    nice mx bike
  23. Ripper_Dan

    Yamaha YZ250F (2006)


    Yamaha did it right in my opinion. This bike is super reliable and looks amazing. The plan is to restore this bike cosmetically then install new upgrades such as an fmf megabomb system after rebuilding the engine's top and bottom end! I bought this bike from a nice guy that left it collecting cob webs for five years and it fired right up after about 6 kicks but it only ran on choke. I cleaned the carburetor and ran it hard all last summer on some old logging trails even though it bogs bad on quick throttle openings. We're going to fix this old bike up and try riding it on a motocross track for the first time next summer. I love dirtbikes and I'm thrilled to be part of this community so lets make it happen!
  24. Jlash

    Yamaha YZ250F (2004)


    had this 04 since it was new, LOVE this bike