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Found 10,000 results

  1. Im trying to replace the clutch side crank seal on my blaster. it seems i cant get the whole old seal off. the seal didnt come of in one, i had to scrap it off. And now i cant fit a seal in there. here are some pics.
  2. So the other day I pulled the old 2004 YZ250F out after moving to Colorado from Hawaii so... the 1st problem started with ALTITUDE over a 6000 ft difference. I knew i needed jets so i went to the local shop here and they hooked me up. the 2nd problem after i got it all together, and rode around seemed flat at the top end and i started to get cherry pipes. so my dad said valves, you should check to see if its getting enough air. so i pulled it apart myself and start getting my gaps for re-shimming it. the 3rd problem comes along all the valves need adjustment. left exhaust was 0.15mm right exhaust was 0.15mm left intake was 0.00mm (could not get a 0.04mm is smallest feeler gauge i have) center intake was 0.00mm right intake was 0.09 specifications for the maintenance manual exhaust is 0.17mm to 0.22mm intake spec is 0.10mm to 0.15mm so i pull the center intake shim to see what size i need to put in and its 120mm, the smallest shim so im guessing i need new valves??? THIS IS WHERE I NEED YOUR HELP!!!!!!! ????????do i need to get all new valve assembly ( valve, seals, seats, springs, and retainers?) or just some parts ???????what kind of head work does this need before i install new valves??? (valve seat cutting) what shop is good? ????????steel vs titanium? ??????? will any valve work for a yz250f or do i need to get a measurement? since I am going to rebuild the valve train, im going to toss a new ring and piston in also. ?????? brands should i use for ring and piston ? should i send my cylinder off also? thanks for the help in advance
  3. MXracer195

    Yamaha Got a Yamaha Warrior

    I traded my zero turn that needed some work for a Warrior that needs rebuilt. I traded with my friend and luckily he has all the parts for the rebuild except the crank and gaskets. I'm thinking about building it up and trading it for a nice 250F or 450F but I have a feeling I'm going to fall in love with the Warrior and end up with it and a bike. I'm probably going to mod it a pretty good bit and may black it out. Right now it is white with a red tank cover and all the plastics are in great shape so I'll keep them as a spare if I get black plastics. Anyone know where I can find a blue hood with maybe a scoop? I plan to black it out with blue accents and I think that'll look pretty nice. Are they any good for racing or are there any classes they can even race in? I want to see how I'd do in a race.
  4. I am completely stumped. I am working on an 07 Raptor 350. It has a intermittent spark. However, the spark only shows up occasionally when releasing the start button. It never sparks when cranking. Only occasionally when releasing the start button after attempting to start. I have replaced the stator, swapped CDI's, swapped batteries, swapped ignition coils, checked ground continuity for the CDI and the battery, cleaned the ground for the ignition coil, cleaned all connectors, checked continuity between all wires in the ignition circuit and checked power to the CDI. I have become completely stumped. I have no idea where to go from now. I have found several threads started on google for this same issue but no one ever has a solution. Please help!!!
  5. kimble93

    Yamaha banshee issues

    okay guys!!! im having some issues and its really starting to piss me off. it almost seems like my right side cylinder isnt firing. i have good compression and when i first starts up it puffs out your normal two stroke smoke and then it goes away and sometimes it will run like its suppose to but 80% of the time it does. maybe a fuel issue??? im going to check spark and om everything out tonight. everything i have checked so far is good any ideas??
  6. Has anyone does this yet? I have a 01 wolverine that I've had for 01 year and I just thought about adding a brake light to it. I have a raptor 700 front master cylinder on there since the original crapped out so that's the easy part and then I planned on using a banjo bolt style for the rear since the left hand brake works the rear brake but I wasn't sure about the plug/ tail light section. I'm thinking of using a raptor 350 tail light harness to try to fit with the wolverine square lens. For the wiring I was gonna take a power off that is keyed so it's not always on but wire them in parallel to make it come on when either or switches kick in. What do you guys think or is there a better way?
  7. ok well im new hear and wanted some advice, i have a 05 660 that is cammed(stage 2) jetted to (50,55,25) i have extended swing arm and i run vp c12. well just recently it started running like shit and wont idle unless i have the idel screw all the way in, wich makes it run like crap all the time, then when i get in to second the thing bogs down and has no get up and go, this problem last all other gears and i dont know what to do? P.S it also has a custom built spectrum intake in it, and after putting the jets in i never adjusted the carb cause im not sure how to do it for my location and cause the pain it is to take this thing apart lol. thanks for the help guys or gals.
  8. I've been off here for a while but getting back into the woods lately. Thought I'd add some Blaster content. I've posted picts of my 2003 KTM 250 SX powered Blaster rocketship: My latest project is another 99 Blaster but with a Vitos big bore kit and 3mm stroker: My son actually put this together for me. It had been sitting for a couple years while I was busy at a new job and working with Search and Rescue. This machine is still in its early days. My son and I have build a few Blasters including a 32hp DT200 powered liquid cooled. This bored and stroked motor makes about the same power as the DT200. We have got more power than this with ported and rechambered aircooled motors so I know there is more potential in this motor. A very successful mod was filling the intake reedbox with epoxy rather than opening it up. The tighter box resulted in cleaner jetting and a wider powerband on the smaller aircooled motors. I strongly believe in making mods one at a time to be able to see what works and what doesn't.
  9. Mmanos3

    Yamaha 04 YFZ 450 Starting issues

    Ok i have this starting issues with my 04 yfz 450 like many others have. i have a high compression piston and its jetted with a hmf pipe. I have replaced the battery twice with higher cranking batterys, replaced the starter, had the valves shimmed, had the carb rebuilt, and The spark plug is new and gives good spark. I also run the quad with my headlights on whenever i bump start it. The issue im having is whenever i completely charge it up and take it out it will fire right up on the first click of the starter but if i shut it off it will not start up again without bump starting it. It sounds like there isn't enough juice pushing the motor over and sounds like the battery is dying but if i put it on the quick charger it says i have a high percentage left on my battery. I was thinking stator, cdi box, or a relay please help its killing my wallet and motivation lol
  10. I want to trade my banshee for a yfz but the guy said that the carb is not working. He's telling me that it was missing some screws and that dirt got in. Could I rebuild the carb or would it be better to buy one?
  11. iguessilikehondas

    Yamaha 95 yamaha 350 warrior problem

    So I got this quad for a decent price. It ran fine but the way you started it was by a toggle switch. Switching it on made it turn over then switching it back once started. My buddy forgot to pull in the clutch and killed it. Went to fire it back up and nothing. Crossed the solenoid but now it doesnt even spark. Hooked a battery charger to the starter and it just sparked. Any help would be greatly appreciated.
  12. 01 grizzly 600 has spark with recoil but no spark with starter have all switches and wiring harness disconnected and still no spark with starter any ideals ?
  13. I got a 00 Grizzly 600 with only 450 miles on it. I bought it off a guy where it had 400 miles and he told me it sat for a long time. It is all around immaculate. When I got it I changed the oil with Spectro 10/40. I changed the oil filter and cleaned the oil screen underneath the engine. Then changed the plug and air filter. I've been riding it once and while and have put 50 miles on it riding dirt roads and slow trails. No mud or puddles. So recently I've been using the quad in 10-35 degree weather plowing my driveway. It has run awesome and have not had an issue. When I finished a neighbors driveway I took it out of 4X4 then went down my road at around 25MPH. As i got to the top of a hill the engine locked up solid. I tried to restart it with the rope and electric starter would not move the engine. So it sat for about 5 min as I decided what I was going to do when I pulled the start rope to see if it was free. The engine then turned over slowly. I hit the start button and it started and idled without hesitation. It ran as if nothing had happened. No noise or rough idle. So I then took off down the road another 50 yards and got into my driveway where it happened again, same scenario. I pushed it into my garage and let it sit for 10 min. I then checked the start rope and it was free again. So I started it and it ran perfect. I only let it run for about 5 seconds before I shut it down since something is obviously wrong. Has anyone heard of this happening? I am thinking a crank bearing is locking up since the top end seems to run good before it locks up. Or maybe a cam shaft bearing? It is unusual to me that this would happen since it has such low miles? I mean its practically a new 15 year old quad. Im thinking the sitting for so long may have something to do with it. I'm looking to see if there is a common issue or something to look for when I tear the engine down. Thanks
  14. MXracer195

    Yamaha Let's see your Yamaha Warrior's.

    I've seen DRZ threads, and YZ426F threads, etc. I figured since I'm new to the Warrior world it'd be nice to see some other ones.
  15. Shopboss

    Yamaha 2007 YFZ 450... Won't start.

    Hi fellas, I've got a 2007 YFZ 450 that just won't start... It's got great spark and fuel to the carb, but won't kick off. I bought this thing not running, but it's in great shape other than this... Any help would be appriciated.
  16. Hey fellow brappers, I have to change the chain and sprockets on my ol ladys 05 raptor and right now its the stock set up with a 92 link 520 chain, 13t front and 40t rear...so anyway i have a brand new 525 chain in the garage not being used and since i have to buy new sprockets anyway i was wondering if anyone has ever done this? i know it is a heavyer chain and i would have to order the wider 525 sprockets (if they exist) but do you think i would lose that much power by using a heavyer chain? thanks in advance - looking forward to your comments! ..... also i need to repack the fmf powercore 4 and replace the nose cone and screen Spark arrestor and possiabley put a queit insert in, does anyone know where would be a good place to find these things?
  17. Flyinrazrback

    Yamaha 2014 YFZ450R Value

    All, what is a fair price for a very low time, like new 2014 YZF450R special edition? Seller is asking $4500, not sure if that is a fair price or not.
  18. i have 2004 250 bear tracker ran great but was making nose so I changed the camshaft it was worn and had play also changed timing chain, tensioner and guides and set valves now all I get is backfire blows the carb of the rubber boot timed up by the book always stays true to the mark and piston always comes to TDC with the mark blows the carb of the rubber boot ever time I go to start it stumped also with the same problem
  19. 2002yzf250

    Yamaha Yamaha blaster

    OK so me and my friend we're riding around on a Yamaha moto don't know what year but it back fired and actually started on fire just kinda need an idea why that happened
  20. Does anyone have a exploded view of the stater damper assembly for a yamaha yzf 450? Yamaha YFZ-450 Starter/Damper Gear 5TG-15560-00-00
  21. Seal was leaking, ordered a new one but was wondering does anyone use rtv silicone on outside of seal? Clymer manual says to pack inner seal lips with waterproof grease, but doesn't mention anything about outside of seal. I'm assuming the pressure hold the oil on the outside of seal but alil rtv couldn't hurt. Anyone do many of these before and have thoughts?
  22. hey all, looking for ANY help that those wiser than me could throw my way. i'll try to make this short and sweet.. have an 07 wolverine 450 (same engine as the rhino, grizzly, and big bear 450's) its got an HMF exhaust, Uni air filter, and a jet kit. had it all tuned in nicely for a while. then i burnt the rings, so it started smoking. sent it to the shop, had the rings changed, and it hasnt run right since. it started running like s**t! was getting super hot, it seemed like i could never get the idle set just right, and just generally crappy running. sent it back to the shop, they said it was the carb. so, they ordered a re-build kit, installed that, then re-jet it. i got it back, and its better, but still not good. its backfiring out of the exhaust after getting off of the throttle. and the exhaust gets so hot after just about 15 min that i cant even touch the fender where its closest to the exhaust pipe, the part before the muffler. i'm losing my mind here. can you guys help me out? dont know how much i would appreciate any help y'all could throw my way cheers, justin wynn
  23. Yamchick

    Yamaha Please Help!

    Hello all, I hope some one can help me. My YFZ when in gear and I try to start it, when pulling in the clutch it doesn't go into neutral. When putting it in neutral and starting its fine, but jumps when started in gear with the clutch pulled in. Its must be still engaged, but not sure what to look for. Can some one please help? + Also I have removed my neutral switch, so could I have lost ground?
  24. wchase

    Yamaha 08 yfz450

    Ok I need some help here, I bought an 08 YFZ450 in September, I don't like the thing and I want to sell it. What would be a good price for it? I have two mods done to it, a Two Brothers slip on and a GYTR jet kit. Thanks for any input.
  25. Rick Morehouse

    Yamaha 08' vs. 09' Griz.

    Hello all, I am new to the forum and ATVing as well. I have been on bikes ( dirt and sport ) forever but now after a nasty highside on my now totaled sport bike and sitting here a little busted up ( seperated shoulder/ broken leg/ hand full of sutures ) I have decided ( with family input ) that coming into my 50's I should consider exploring other horizons. So now to the point. I am going to be picking up a new Griz.700 and have a whole lot of fun with like minded riders from around western Pa. and I was wondering if there were any changes AT ALL in the 09' over the 08'. Or if your advise would be to save a few bucks and get the leftover. Nice forum.....Looking forward to being part of it. Thank's