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http://www.quadcrazy.com/atvforum/ Posts about Yamaha atv models and manufacturer specific topics. en Fri, 20 Nov 2009 23:02:29 GMT vBulletin 60 http://www.quadcrazy.com/atvforum/web/misc/rss.jpg http://www.quadcrazy.com/atvforum/ http://www.quadcrazy.com/atvforum/showthread.php?t=7464&goto=newpost Wed, 18 Nov 2009 12:25:47 GMT I have this 97 warrior that was running and just died, no compression, I pulled it apart and the exhaust valve isnt closing all the way, It appears... I have this 97 warrior that was running and just died, no compression, I pulled it apart and the exhaust valve isnt closing all the way, It appears the rocker arm isnt coming back all the way, preventing the valve from closing. It doesnt seem to be a problem with the cam. I put a light in the head and at top center I can move the cam between the valves like it should. The rocker arm just seems to stop short of coming back, leaving pressure on the valve spring. I am unable to see what is stopping the rocker arm. It does not appear to be the cam.??????
Any thoughts??????? ]]> Yamaha ATV Forum argmore http://www.quadcrazy.com/atvforum/showthread.php?t=7464 http://www.quadcrazy.com/atvforum/showthread.php?t=7433&goto=newpost Wed, 11 Nov 2009 16:08:41 GMT Hello, Can someone say what are the differencies between 350 raptop ( year 07 ) and YFZ 450 ( year 07 ) rear axles? I have new g-force... Hello,

Can someone say what are the differencies between 350 raptop ( year 07 ) and YFZ 450 ( year 07 ) rear axles?

I have new g-force adjustable rear axle and just thinking is it possible to install it to YFZ 450?

Does that need some modifications or should it fit on it ?? ]]> Yamaha ATV Forum mkaskine http://www.quadcrazy.com/atvforum/showthread.php?t=7433 http://www.quadcrazy.com/atvforum/showthread.php?t=7425&goto=newpost Tue, 10 Nov 2009 17:59:52 GMT my big bear has a problem shifting. it goes into first fine but sometime i have to try to shift a couple times to get it in 2nd and 3rd gear. could... my big bear has a problem shifting. it goes into first fine but sometime i have to try to shift a couple times to get it in 2nd and 3rd gear. could the clutches be bad what all could it be? Thanks ]]> Yamaha ATV Forum pointblaynk http://www.quadcrazy.com/atvforum/showthread.php?t=7425 http://www.quadcrazy.com/atvforum/showthread.php?t=7420&goto=newpost Mon, 09 Nov 2009 20:13:34 GMT Which headlight bulbs are the brightest? I need some new ones, YFZ 450 stock bulbs are not bright enough 4 night riding. Thanks for help. Which headlight bulbs are the brightest? I need some new ones, YFZ 450 stock bulbs are not bright enough 4 night riding. Thanks for help. ]]> Yamaha ATV Forum CUSTOMYFZ450 http://www.quadcrazy.com/atvforum/showthread.php?t=7420 http://www.quadcrazy.com/atvforum/showthread.php?t=7413&goto=newpost Mon, 09 Nov 2009 01:15:10 GMT Need some info about this atv. Looking to trade my 2007 can-am rally for it. The rally is falling apart and the transmission selector needs a new... Need some info about this atv. Looking to trade my 2007 can-am rally for it. The rally is falling apart and the transmission selector needs a new spring so instead of spending 500 for the mechanic to fix it im getting rid of it.

SOOOOO, if there are any problems with the 1987 yamaha big bears i should know about please tell me. i.e. engine problems, front diff problems, it would be greatly appreciated thanks,

Outlander ]]> Yamaha ATV Forum outlander560 http://www.quadcrazy.com/atvforum/showthread.php?t=7413 http://www.quadcrazy.com/atvforum/showthread.php?t=7411&goto=newpost Sat, 07 Nov 2009 17:10:16 GMT Can't find my speed sensor for 04 Kodiak 450.Someone sent me a drawing of its area,but not sure what I'm looking for.My Haynes manual doesn't even mention the speed sensor.How hard is it to get too??My speedo is reading "0" and need to check it out. ]]> Yamaha ATV Forum Jimbo450 http://www.quadcrazy.com/atvforum/showthread.php?t=7411 http://www.quadcrazy.com/atvforum/showthread.php?t=7407&goto=newpost Sat, 07 Nov 2009 01:19:53 GMT I have a 97 Kodiak 400 4x4 and the fuel gauge in the tank was damaged when I got it. I would like to replace it and Yamaha has given me a price of... I have a 97 Kodiak 400 4x4 and the fuel gauge in the tank was damaged when I got it. I would like to replace it and Yamaha has given me a price of $50 for the parts. I have a Clymer manual but it does not give the remove and replace instructions for the fuel gauge only the tank. Any wizard out there that can give me the info or point me in the right direction?

Thanks in advance

Code ]]> Yamaha ATV Forum coderunner http://www.quadcrazy.com/atvforum/showthread.php?t=7407 http://www.quadcrazy.com/atvforum/showthread.php?t=7402&goto=newpost Fri, 06 Nov 2009 01:14:26 GMT Somebody help !!! I have an 03 Yamaha Warrior 350 and everything was running great up until a few days ago when I cranked up for a quick run around... Somebody help !!! I have an 03 Yamaha Warrior 350 and everything was running great up until a few days ago when I cranked up for a quick run around the yard and it won’t do anything but idle. It starts easy, idles ok, but the second I touch the throttle it starts bogging and backfiring etc and dumping a mist of raw gas back out the air inlet side of carburetor.

I’ve pulled the carburetor apart now three times checking things out and unfortunately don’t know enough about these small carburetors to tell if something’s worn out. No visible damage or anything. But one thing I did notice was that the needle has some wear where it runs through the slide, but like I said, I don’t really know what the wear limits are as I cant find info on that stuff anywhere.

The ignition timing is right on the money, I checked the valve clearance and they were ok, the coil checks out good, etc. But wonder if it could be the CDI breaking down under load or maybe the same thing with the stator?

Cylinder compression was also check and came out above average at about 125 psi.

I’ve talked to a few ATV mechanics that say it’s still the carburetor based on what I tell them. You can definitely tell it’s running way rich at idle due to the strong smell of unburned fuel.
One thing that does strike an interest is with a timing light on it at idle, the fire is strong and consistent. But when you try and give her a little more throttle the fire is intermittent right along with the miss in the engine. The spark plug is brand new, but the one I just removed did have noticable soot on the electrode and beneath the threads.

It's done this a few times before, but only for a few seconds or until I get it warmed up halfway decent. Then it reved fine and hauled a**s as usual.

I have debated on buying a new carburetor, CDI box, etc… but that combined is about 600-700 bucks, and I just don’t want to start throwing parts at it.

I have even pulled the side cover to make sure the stator and such weren’t damaged.

I am pretty much at a stand still and dont know where else to look. Could it really be the carb?

Please tell me there's somebody out there who has had the same issue and figured it out???? ]]> Yamaha ATV Forum smokehouse121 http://www.quadcrazy.com/atvforum/showthread.php?t=7402 http://www.quadcrazy.com/atvforum/showthread.php?t=7401&goto=newpost Thu, 05 Nov 2009 21:25:28 GMT For starters, I'm not a mechanic, but due to economic times I've been forced to repair my own ATV. My clutch had been slipping for some time, so I bought a service manual and ordered new parts. I put in the new clutch plates and reinstalled just the way it came apart. Now my Big Bear won't even move at all. I put 10WX30 in and then changed to 20WX50 with the same results thinking it was the oil. The oil isn't synthetic. Any help would be appreciated. ]]> Yamaha ATV Forum slamnationalley http://www.quadcrazy.com/atvforum/showthread.php?t=7401 http://www.quadcrazy.com/atvforum/showthread.php?t=7400&goto=newpost Thu, 05 Nov 2009 21:10:21 GMT :huh:i need to split the right side of the case according to the yamaha dealership to make sure i have no dirt or anything in the engine before i put... :huh:i need to split the right side of the case according to the yamaha dealership to make sure i have no dirt or anything in the engine before i put my cylinder back on since i got it bored over. do i have to worry about anything just falling out it i just pull it off. someone told me to get a pressure washer and soap and spray the hell out of it and itll take any dirt or anything out. will it hurt anything or what is your ideas on the subject thank yall. ]]> Yamaha ATV Forum pointblaynk http://www.quadcrazy.com/atvforum/showthread.php?t=7400 http://www.quadcrazy.com/atvforum/showthread.php?t=7390&goto=newpost Tue, 03 Nov 2009 23:49:43 GMT anyone kno were i can get long travel a arms for my 98 warrior 350?? thanks anyone kno were i can get long travel a arms for my 98 warrior 350??
thanks ]]> Yamaha ATV Forum lazyboy http://www.quadcrazy.com/atvforum/showthread.php?t=7390 http://www.quadcrazy.com/atvforum/showthread.php?t=7374&goto=newpost Mon, 02 Nov 2009 01:57:58 GMT I am new to this forum and to the world of quads. I just bought a 1999 yamaha big bear 350 4x4. can anyone tell me how i know what model i have and... I am new to this forum and to the world of quads. I just bought a 1999 yamaha big bear 350 4x4. can anyone tell me how i know what model i have and wear i can get some parts from. This thing needs some TLC for sure. Thanks ]]> Yamaha ATV Forum FordGuy79 http://www.quadcrazy.com/atvforum/showthread.php?t=7374 http://www.quadcrazy.com/atvforum/showthread.php?t=7366&goto=newpost Thu, 29 Oct 2009 05:29:21 GMT hey everyone, i just found this forum since i just bought my first quad. i've grown up riding dirtbikes and quads, but this is the first one thats actually mine. its a 97, 400cc. pretty good shape for the year it is i think, and i got a pretty good deal on it. i've adjusted the front brakes to where i can get some good grab out of them, and the rear caliper lever gets stuck in the braked position, so i bought some new springs, and a rod and cable for good measure for the rear, which will be put on tomorrow. if anyone has any advice for a newb on these machines, let me know. thanks!
[IMG][/IMG] ]]> Yamaha ATV Forum drakagem4a1 http://www.quadcrazy.com/atvforum/showthread.php?t=7366 http://www.quadcrazy.com/atvforum/showthread.php?t=7357&goto=newpost Mon, 26 Oct 2009 20:58:33 GMT I got my 450 running again after it sat for a year. Fresh fuel, cleaned plug, ect. A little bit of history, when I got it (brand new) it seemed... I got my 450 running again after it sat for a year. Fresh fuel, cleaned plug, ect.

A little bit of history, when I got it (brand new) it seemed to smoke a little bit. It smelled like gas so I figured it was rich. I don't know if this has anything to do with my problem or not.

Now I took it out and rode for 10 or so miles this weekend and it definitely isn't the wheeler it used to be. It is slower and doesn't run as well. Dies at idle usually and is harder to start.

And it is really smoking, not at all when I'm on the gas, but all the time when I let off the throttle and it's slowing down. I mean, I think the thing is burning oil like no tomorrow. Does anyone else think this is it?

I guess it's probably time for a rebuild. I don't even have 1000 miles on it yet. I would like to bore it and get a high compression piston and cam and such, but I would like some info on that too.

Any answers are great, thanks in advance!

Oh and I forgot, the heat indicator light has been coming on and off. ]]> Yamaha ATV Forum fender13bender http://www.quadcrazy.com/atvforum/showthread.php?t=7357 http://www.quadcrazy.com/atvforum/showthread.php?t=7351&goto=newpost Sun, 25 Oct 2009 03:30:58 GMT :biggrin:*Hello Riders. I know that this is a silly ??? I have a Yamaha 1999 Grizzly 600. How fast will it run and what would be a safe speed to ride... :biggrin:Hello Riders. I know that this is a silly ??? I have a Yamaha 1999 Grizzly 600. How fast will it run and what would be a safe speed to ride a long way on a good forset road. My unit is in good shape and it does noe wolble at speed. Thanks Chuck ]]> Yamaha ATV Forum sailorchuck http://www.quadcrazy.com/atvforum/showthread.php?t=7351