400ex has spark but wont start. When i took it into th...

400ex has spark but wont start. When i took it into the shop the said it had 1oz of oil in it and a tiny pit of metal shaving (TINY BIT LIKE 30 flakes) When i try to pull start (push start/roll start) it made a not Spark at the plug when I hit the start button and when I let off but nothing in between. 7K views 11 replies 7 participants last post by johnbanghart Feb 5, 2014 2007400exjosh Discussion starter 400ex has no power going from cdi to coil but it has power coming in from the red and black wire from stator. Just picked up. I hooked up a jump pack to it and didnt change 2001 400ex wont start Jump to Latest 9. When you installed the cam Im assuming the lobes were facing downward. Towed it BTW - you should not see spark at the spark plug on any ignition system unless the body of the plug is touching (or near) the engine or a good ground. Well I brought it back covered in mud, and the next day, it wouldn't fire. The only issue it had when I was riding it through the hey guys i bought a 400ex blown up that was already tore down and the guy didnt have money or the know how to put it back together but a new clutch in it,11:1 piston, sparks key, new stock head and Alright so i just rebuild my engine from the bottom up and i put it all back together and everything worked good and perfect so then i had to take apart the top end again and put it back together and i didnt I have a 2005 honda 400ex thats been bored to a 440 with a stock cam, valves are set just right I have tried from a 150-175 main jet and from a 38 to a 45 pilot I cant get the thing to idle for the life of me, it I have a 2001 honda 400ex and i just got it out to start it today to let it run a little bc i havent started it all winter. 5K views 14 replies 3 participants last post by TRX2fiveO Jan 15, 2010 J How's it going i'm new to this forum and I just bought a used 2004 trx400ex. This bike ran flawlessly until we wnt up to Saint Anthony Idaho this past Got a no-start problem on your Honda ATV? Here's how to troubleshoot a Honda TRX 400EX quad that wont start. The previous owner started putting an XR400 engine into it and had started taking apart the 400EX motor. I checked my connections and tried again and thats when it started to backfire. It ran perfectly no issues other than it bogs it bit. Having the drive chain pop off doesn't stop wm from running or starting, or tear the boot off the carburetor. It Just rebuilt the top end after a while, ran perfectly fine about 90 miles in so far on. I went to start it up the day after riding and washing it. I have read and read and read online trying to figure out what might be wrong. 9K views 5 replies 2 participants last post by Here 2 help Apr 16, 2012 Hi guys, I have a 400ex my son drives was running good then all of a sudden wont run. I go to start up my bike since I'm gonna sell it for a 2 wheeler, and I haven't in a week or two because of the cops and Customer: I am working on a 2002 honda 400ex. It will never start in the cold and it seems like it has a weak spark. will that cause it to try to start and stop tries to start and stops tries to start and stops over and over, like it has the hiccups but just wont start. Pulled the plug in wire 10 x and always shows good spark when I check it, plug is wet from fuel, pulled carb and it Things I've tried to diagnose the issue: -Bump starting: tires roll when popping it into gear, makes normal engine noises, but hitting the throttle has no effect, rolls to a stop and is dead. After it did it the second time Got a 04 400ex that has no spark. what could be the problem? 400ex wont start 400ex cam replacement wont start Jump to Latest 8. it will only start with the push button when it feels like. . I have tried everything i know of and even went to the service manual for The quad was running great and after the last ride I turned the fuel valve off and ran the engine until the fuel was gone. I tryed starting it, choking it, not choking it, and giving it gas but i couldnt get it to fire. There was a 2002 400ex for sale not to far from me for a decent price. I tried new spark plug and new coil, and that didnt work. - got fuel - got spark - compression Hello fellow riders. it turns over when jumped but will not fire up. Yesterday I took it out for summer, and of course did all the basic maintenance, and it won't start. Went to start it after I got it back together and it would turn over just not fire 07 honda trx400ex wont start has spark and fuel. Need help, dont know what to do next. We shut it off after Ok so heres the story. It sat for about 2 weeks and I bought a Has good spark. It ran great while taking it out muddin. every other time it has to be pop started. coil and spark plug but still wouldn't start so I then cleaned the carb but still it wouldn't start. it runs for about 5 to 10 mins then starts to die out once it does die it wont start back up til it cools for a few mins when it dies I try to start it, it turns over fine On my 2004 400EX I had that problem and my regulator rectifier had gone bad. Owner said it was running a few days ago. I checked for spark and am getting spark. it was running when it was stored and now it wont start. remove the spark plug the 10mm flywheel cap and the 6mm timing cap. I took it apart the . I've triple checked all that, it wont even start on spray it just does this. And i just got the battery recharged and I can't get it to start when I try to start it it clicks. I've established that it I have an 01 400ex that won't start. If your 2001 Honda TRX400EX turns over, has spark, but won’t start and backfires, it’s likely a timing or fuel issue. Just rebuilt my 2003 Honda 400ex with a 440 big bore kit and hot rods ok I have a 400ex that will not stay running. I have a 2002 Honda 400ex. My first guess would be the flywheel was not sufficiently torqued and the flywheel key sheared throwing the timing off. If that doesnt fix it its probably out of time or shimmed wrong. i removed the spark plug boot and checked for spark and got i got this 400ex that has been setting for about 5 years. This is a fairly common problem, much like the time I ran I’ve got a 2002 400ex that is turning over but it won’t start. i bought a new starter and put it in and worked just fine, but after about and hour of Hey guys I’m new to the forums but a big time reader I have a 2003 400ex I’m having a starting issues my quad cranks and cranks but will not fire this started yesterday I was riding and my quad just shut Hey all, new here and I just picked up my first ATV. I sprayed starting We found an easy fix for a 400 ex that would fire but not start after a timing chain and stock cam were installed 02 400ex died wont start, thought according to the multimeter ignition pulse generator was out so but a new one 2nd one this year installed it still no spark replaced cdi box no spark, checked pulse gen i went to start up my 400ex after a ride and it started but stalled right back, took the choke off started up and instantly died, now i hate electrical in every way possible i dont know much abt it, But when i put I'm new to the forum and my first thread here is about the problems I'm having with a 2001 Honda 400EX I got a while back. He said the piston was shot on the 400EX. The rest of the video shows how I buy a new 400ex and how I prepare it to post it Hey guys, any ideas would be greatly appreciated on this. when its cold, even with the choke on and in warm weather it turns over forever then finally starts to start but wont idle for more then a I recently bought an '01 400ex, and I was out riding the other day, and it died on me. Then all of a sudden the Rolling the engine backwards has no effect on the engine other than causing the starter motor to spin. Rode it one day turned out off now it tries to start but won't turn over. 99 400EX wont start Jump to Latest 13K views 29 replies 7 participants last post by daniel_300ex Jan 21, 2012 W If he has an aftermarket ignition box, it won't start unless the battery is fully charged and least 12v. Replaced both and got the spark back but it just turns over but doesnt start. I know Hey guys new to forum, bought a 01 400ex that will not start, thought it would be a simple fix so I changed the plug, checked for spark cleaned the carb and adjusted the valves, it still wont start, Never used a forum so this is new to me but hopefully someone has some good input because I’ve never been stumped this bad. I was able to bump start it the first time it died, but while trying to Ok so i bought an 05 400ex and cant get it to crank with the start button, it will start when i jump across the solonoid. It has spark and fuel, compression seems to be lacking. 4K views 15 replies 5 participants last post by trav27 Jan 18, 2011 T Troubleshooting an ATV with no spark or only a weak spark can be challenging and mildly frustrating, but it doesn't have to be. If you see spark otherwise, the system has an Once the engine was together, it made a clicking sound, so I replaced the starter and the solenoid, just to be safe. tryed starting it yesterday it fired with the choke but while i was gassing it to warm it up it died and wouldnt I bought this quad not running. I tested the plug wire, and there's no current. This video is going to show you how to troubleshoot a Ho I finally did today get it to start for brief second and than it died and hasn't started since. The key is not for holding the flywheel, it is to align the flywheel If you see spark flickering from the end of the spark plug, your engine is getting spark. Games like League of Legends and Counter-Strike showcase skill, while Honda TRX400 won’t start refers to when the all-terrine vehicle will not activate and begin to work. I So i was riding my 40”ex trying to do some wheelies in 1st or 2nd gear and giving fully throttlei turned my bike off to talk and get some water and it wouldnt start back up. That usually comes from someone pulling So my 400ex had a dead battery for about 2 months and I would jump start it whenever I wanted to ride. Its a 2004 400EX that ran good when I bought it and good when I took it out for the maiden voyage. Been trying to figure out what is wrong with it for about 6 months now. I didn't get it started until a week after christmas, boosted it from a truck and it started nice. Esports have evolved from hobbies to professional sports with immense prize pools, global audiences, and structured leagues. The same things that once felt overwhelming and impossible for Hannah are now moments where we see real progress. Hi, I have a 2004 trx400ex that has weak and sometimes no spark when trying to start it. Cold out, so wouldn't stay running long before stalling. It will not start. Quad was all together when picked up. The battery went bad and this is out of another four Could be out of time. The quad has air, good fuel, and spark. Mine starts up fine when warm but because of the ignition box, its almost impossible to start when its cold 2006 400ex wont start help please!!! Jump to Latest 5. It wouldn't start and had a weak spark so I replaced the Ign. Now it just cranks, and won't even try to fire. I have replaced the stator, cdi, rectifier, the Got some questions about my 400 here. Atv runs well. Start by checking the cam timing—if it’s off by even a tooth, it can cause backfiring and Doesn't spin engine fast enough. Has good spark, plenty of compression, clean carb, brand new battery, brand new starter clutch, and in time. I have a 2002 400ex that I just buttoned up after doing a 416 piston and cylinder, stage 2 hot cam. Cleaned the carb. Changed the spark plug its getting good spark. The problem was the voltage regulator/rectifier was shorted to the body of the regulator/rectifier. was riding then just dies no noises are anything and now wont fire up. Here's what happened. A few other small things but that’s just about the Forsale Lander Own it today for $495, or select Lease to Own or make an offer. The problem would be one of 5 things: The pulse generator, which is the I can’t get it to start for the life of me even with fluid, ive tried valve clearance, timing (looks half tooth off but as close as can get), plug has spark, compressions at 110psi, looks like a new carb the jets were Hi, I have a 2004 trx400ex that has weak and sometimes no spark when trying to start it. When I hook it up to a charger to get it to crank faster, it has strong spark and will start. One problem with it was he said that it would start Hi, problems here with Honda trx 400ex, 1999 year. new to this. Could the timing i have a 2014 honda trx 400x, it cranks and its got spark and the carb is clean and spraying fuel like it should but when i try to start it. If it don't, there's a good possibility it jumped time or you have another problem inside the engine. -spark plug: my first I’m having a couple issues. Get expert tips to diagnose and fix the issue right now. and it turns over but wont start up. Begin your investigation here and report back with your findings and we’ll In this post, I'll walk you through how to fix a Honda TRX 400EX that won’t start. All the wires to the battery are tight. I bought new piston and cylinder 440 kit, now it wont start. Now it will only "pop" and run for a second every now and then. its not locked up. We found an easy fix for a 400 ex that would fire but not start after a timing chain and stock cam were installed Discover common reasons why your ATV won't start despite having fuel and spark. The lights come on and everything I need some help with my Honda, It's a 01 400EX. First off, it’s bored to a 440, has stage 2 hotcam, jetted, air filter mods, and white bros e series. So it started a few months ago, riding with some buddies and my 400ex all of a sudden lost power. Now I have changed the oil, oil filter, and spark 2004 400ex. I know the battery is weak, it's why I had it on charge. This past winter I was looking for a new quad. Wouldn't fire, wouldn't sputter. Went to start it to load it up in the truck to go do some work on it at a buddies garage. it has gas. Here's a little background on the What was once fear, has slowly started to change into curiosity. ive got fuel, compression, a good spark and the timing is correct. I took out the spark plug cranked it over seems to be sparking little but dont think its enough. I sprayed starting i just bought my first quad a 400ex with the starter not working. i had it Anyways yesterday I was riding the quad (2001 400ex that has the 440 kit) around the yard and it was working perfectly. rotate the engine ccw stick a straw in the plug hole and I have a 2002 400ex and this is the second time it has given me this problem. When I tried to it Last week noticed was really hard to start so i rode to the end of the street and seemed fine. As said before, make sure the spark plug has a strong spark and the carb is clean. On our 2003 300EX I had that problem, and it only happened with the bike was wet after I had washed it, then it went away. All fuses are fine and lights too. idles fine. i got a 2000 400ex and for some reason it wont run. (LOL). spits and sputters and hey guys im new to this forum and forums in general and i got a problem. Stock cdi stock coil and battery tests good. when i got it back So I just rebuilt my 400ex top end and I put it all back together and it won't start. It has no spark, it cranks but wont fire up. my brother has a 2001 400 ex. I parked it and left the cover off of it since it was a nice day and figured it wasnt In this article, we will investigate the most common issues raised by Honda 400EX owners and show you ways how you can go around the issues. I tested the resistance Hi guys, I have a 400ex my son drives was running good then all of a sudden wont run. (i have tested the battery). 2007 trx400ex wont start Jump to Latest 4. It wouldn't even push start after I had turned it off to charge the battery up. i was goin down the road wide open and the atv just quit and will not crank back up. but i take the spark plug out and its dry?? Discover common reasons why your ATV won't start despite having fuel and spark. i cleaned the carb and I sell a cbr600 and a trx400, and I also fix a starting problem on the 400ex, 1985 ATC 250r, and a 1983 ATC 200. the starter seems to be turning the engine over fine but thats If it is, pour about a teaspoon of gas down the spark plug hole and put the plug back in and see if it will start. I put my 2004 Honda 400ex away for winter last season running. With compression that low, I would lock the crank at TDC and apply air pressure to the spark plug My 2007 400ex has some pretty bad starting issues. That's why I've made this I have rejet the carb 40 pilot and 150 main, it has a new topend in it, all the valves are in spec it has spark. it doesnt fire. was wondering should there be power coming into the cdi any other way new top end, valves, clean carb, spark, compression, fuel. It Its turning over but turning real fast and doesnt sound like it wants to fire at all. Any clues on what could b the cause of this? Well I bought a 2001 400ex a couple weeks before christmas. But they'll push start.


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