Yamaha WR250R Mega Thread

Discussion in 'Thumpers' started by Sock Monkey, Apr 7, 2008.

  1. leftystrat62

    leftystrat62 Adventurer

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    AZTOM-check out BigDogs web site-he's ridden his every where and it's pretty much all stock. I give you credit for not throwing in the towel,it will be a whole other world your first time you ride with those knobbies. You'll be laughing in your helmet saying man this is fun! :rofl
  2. japako

    japako Been here awhile

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    Nov 4, 2010
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    Mine is stock as for the engine and exhaust and it has more than enough power for me to get hurt real bad.. LOL
    I started with the things I needed, not wanted. A good skid plate, hand guards, and tires. Then learn how to ride in the dirt before taken on too much.:rofl Sorry, just saw a pic of myself,, riding way over my head.
  3. bash3r

    bash3r I ain't no DingWeed

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    That's a bummer Chris, good to hear you posting up honestly about the situation. Hate to see you go to the dark side again lol, but best of luck my friend!!

    Or just get another WRR and leave good enough alone for Pete's sake :thumb
  4. pfy50

    pfy50 Professional nOOb

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    True, around here in north east Tenn. they don't get enough heavy snow fall to warrant studding tires. These good-old boys just hop on the ATV's or John-Deeres:gerg or most everyone owns a 4WD truck for those rare occassions. :lol3
  5. OldPete

    OldPete Be aware

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    Not trying to be a smart ass here.
    I'm an old mechanic that has built and helped overhaul several bike engines... mostly two strokes back in the day.

    Single ring pistons, like the 290 kit are race only imo. Using one compression ring demands frequent oil changes
    because of blow down at compression/power stroke and fuel getting into the oil.

    A second compression ring, like the 280 kit w/chilled iron sleeve, uses two compression rings.
    The second ring really does help hold compression, it help stabilize the piston, removes excess oil the oil ring can't control
    and helps remove heat from the piston. Compression rings transfer piston crown heat to the cylinder wall.

    The slight reduction in friction gained by running one ring is not worth it imo considering how slick these treated aluminum cylinder walls are but I could be wrong.
  6. MeefZah

    MeefZah Curmudgeonly

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    Welcome to the forum and this thread.

    The WRR is a good choice for ya.

    Tires will help, but aren't the end-all-be-all for off road success. Most of that is skill achieved through practice. I've seen guys on bald street tires ride circles around guys on brand new knobs.

    I'm also not so sure looking in to a new exhaust or any other hop ups is a great idea right now, given your skill level. I'd put on better tires, the lever guards, maybe a skid plate; and ride as much as you can.
  7. Krabill

    Krabill Long timer

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    Like Strog said, there are quite a few riders here in Tulsa. A bunch of WR250R's, too :ricky

    Every Friday is lunch at Cancun's ~7th and Lewis at 11:30.

    Tuesday evenings are the local pub crawl - http://www.advrider.com/forums/showthread.php?t=465380
  8. GSBS

    GSBS FunHog

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    Also, look at the Pirelli MT43 DOT trials tire for the rear. I'm on my third one now and have been extremely pleased with them on the WR-R. I don't see ever changing back to the D606 rears I was running previously. I am still using the 606 front, although they cup badly when they wear out. That said, I'm getting about 4,500 miles from the 606 front and around 3K from the MT43 rear, so about 1.5 front tires to every rear tire. One really nice thing about these tires is that they seem to grip just as well when almost completely worn out as when new. IMO most DOT knobbies perform poorly once about half worn.

    MT43 on my bike:
    [​IMG]

    The Pirelli has a higher profile, meaning the tire's circumference is bigger and therefore the bike will sit a little higher in the rear and will be effectively geared slightly higher than with a stock tire. The same is true to a lesser degree with the 120/90-18 D606 however. Oh, and because you'll be running 12 PSI or lower, you must run a rim lock with the Pirelli.
  9. Crawdaddy

    Crawdaddy Navigate 2 Adventure

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    We'll see what the shop comes back with.....I may take a box of stock "stuff" over there and have the bike rebuilt in stock form (250 engine, stock pipe, exup back in/flapper down, etc.)......

    The best "performance" mod to make on these bikes costs less than ~$50........just tweak the gearing to suit your riding environment........all the $$ I threw at the engine/fuel programmer/exhaust only served to make a sewing machine sound like a motorcycle......a 26hp bike into a 28hp bike.......BFD :lol3

    It is what it is......a heavy, underpowered, "all arounder".......but also a really fun bike!
  10. Crawdaddy

    Crawdaddy Navigate 2 Adventure

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    I'm a big proponent of the Pirelli MT43 Trials Trials for dualsport use.....they're DOT legal for street use and the park rangers like'em because they're low impact on the trails.......therefore they're less likely to hassle you with "Green friendly" tires......I've been using them almost exclusively in the rear since they came out ~5 years ago.........I can never make up my mind in the front........I generally run a matched set of MT43s on my WR250R and a more aggressive XCMH front on my 300 XCW..........the MT43's offer better traction in nasty/rocky stuff than a traditional knobby and they're better in sand than you'd think (provided you've aired'em down).....a good "all around" tire but you must run'em at low pressure or they'll fall apart/crack in the middle.......I'd also use a rim lock to keep the tube in place......

    The only real down side of using these tires is they suck on downhills......your bike will pitch sideways under heavy breaking in the rear rather than holding a true/straight line.......so you need to use more front brake.....

    They also don't slide/spin in corners like a true knobby.......the traction is too good......that can be kind of a bummer when you WANT to slide like a hooligan....

    I run'em at ~10psi (sometimes ~8psi in the rear when off-road) with Bridgestone Ultra Heavy Duty Tubes.......they're expensive/heavy tubes but they'll ward off pinch flats from running at such low pressures

    Review: http://www.motorcycle-usa.com/392/1963/Motorcycle-Article/Pirelli-MT-43-Pro-Trials-Tire-Review.aspx

    Motorcycle superstore links:

    Rear: http://www.motorcycle-superstore.com/2/29/392/11015/ITEM/Pirelli-MT-43-Trials-Rear-Tire.aspx

    Front: http://www.motorcycle-superstore.com/2/29/392/28466/ITEM/Pirelli-MT-43-Trials-Front-Tire.aspx

    Another alternative for the front is the Pirelli XCMH......also DOT legal and more aggressive.....that's what I generally mount on my 300 XCW: http://www.motorcycle-superstore.co...MH-Dual-Sport-Front-Tire.aspx?WT.ac=SLIsearch
  11. AZ TOM

    AZ TOM Long timer

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    Shep546 is the one that has had the issues Lefty, but thanks for giving him the heads up.
  12. JohnfromJersey

    JohnfromJersey Like a New Man

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  13. shep546

    shep546 Been here awhile

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    Hey guys thanks for the tips... still stuck on the tire decision cause I get so many conflicting reports from different forums and different riders.

    And about the suspension apparently it should have been adjusted for me at the dealership but it wasn't when I bought it I had no idea you could even adjust the suspensions on these things...
  14. GSBS

    GSBS FunHog

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    +1 on suspension... the best money I spent on my WR-R was having Travis Jones at GoRace Suspension revalve and tune the forks and shock for my size, weight and riding style. It totally transformed the bike from a usable ride to one that's truly a blast to ride every time I throw a leg over the saddle.
  15. AZ TOM

    AZ TOM Long timer

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    The number one best preformance mod. is adjust your shock & forks for your weight & go ride. Cheapest to:wink:
  16. burtonrider3889

    burtonrider3889 Been here awhile

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    I think ultimately no matter what you do more saddle time will be the best "mod" for you. You can do whatever you want to the bike, but if you still don't know how to ride it it won't matter. Once you learn how the bike acts on different terrain, and how to act accordingly to that I think you'll start having a blast. The WR I just bought has a 50/50 tire on the back right now and the original front tire on it with almost 9,000 miles on it. While I am looking for my next tire purchase now, I am still having a blast off road with the current tires. I also haven't touched the suspension settings yet, and the bike is WAY too tall for me. Just take it slow and learn how to ride off the pavement, and I think you will stop worrying so much about everything else.
  17. expatbrit

    expatbrit Still pretty much a n00b.

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    Dec 10, 2009
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    Location:
    Duke City, NM
    I'm failing here -- I have a WRX and a WRX combo, both in blue.

    Any issues with the turbo and the trailer?
  18. krussell

    krussell Been here awhile

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    Nov 19, 2009
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    Portland, Oregon
    Four wheel roost on gravel mess up the bike paint!
  19. burtonrider3889

    burtonrider3889 Been here awhile

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    I have had no issues. I drove over 800 miles with the trailer hitched Friday when I picked the bike up. And I've driven from VA to MD when I had the SV for track days.

    I've also helped haul wood and debris to the dump for a friend. No trouble ever. Stock it's rated to tow 2,000 pounds, and I'm pushing about 130hp/tq over stock.
  20. DougZ73

    DougZ73 Fading off.........

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    I also had a Suby WRX , 2002, and used it to tow as well. I did make it a rule to only tow one bike at a time with it though, much to the bitching of my buddies who also wanted to be towed.:D

    best pic I could find quickly...just look past my now sold Sportster.

    [​IMG]