Ltz 400 bad cdi symptoms. any one that experienced a bad cdi? i got some problems with my bike. e. However, with a basic understanding of how a CDI box works and how to use a multimeter, you can often pinpoint the problem and save yourself time and money on unnecessary repairs. I drained the carb, the spark plug is new, coil is good, fuel looked clean I fill up often so it n The last thing I need to do is a compression testif that checks out, I guess I'll swap in a CDI box and see if that fixes it. An LTZ 400 Suzuki four wheeler with unknown wiring and top end problems. Learn precise methods for testing your CDI box, differentiating symptoms, and ruling out related electrical faults. I 2006 ltz 400 no spark I bought it today it has a new dynatek cdi coil is fine solenoid is new gps is new no signs of - Suzuki 2006 Eiger Automatic 400 4X4 question Testing the CDI box with a multimeter is a valuable step in troubleshooting your dirt bike's electrical system and ensuring optimal performance. Measure the wire voltage to the ignition coil; around 0. Any help appreciated I have no spark on a 04 ltz 400. i took the motor out and rebuilt it, and now i am having problem with it sparking one time only. Will not start. 94mm J&E piston, +4mm hotrods crank, 536webb cams,wiseco valves, 39mm fcr, tokyo mods throttle spring, honda thumb throttle,spring removed. I have a service manual but it checks out. Depending on the ATV’s make and model, the CDI box configuration can differ and control other things aside from what was mentioned. if i turn the key off and turn it on and hit the start button (with the plug out) it only sparks one time thats it. I would only test a possible bad cdi on a known good running bike. Any time I try to rev it up it cracks and stalls like the jetting is crazy off. A bad CDI box can cause inconsistent engine performance, such as misfiring, backfiring, or stalling. and have the box be bad. Come join the discussion about performance, modifications, repairs, troubleshooting, maintenance, and more! Open to all models including the ltz 400, raptor 660, eiger 400, ltz 250, and raptor 350. Any ideas? magneto gone? Well folks, I almost lost my mind. May 3, 2014 · OK so I've replaced my stator,voltage regulator and batttery. Has the fuel petcock been changed out? Usually if the cdi box is bad it won't run at all, but it is a possibility. Whenever you would go more than half throttle it would backfire. Can A Bad CDI Cause No Spark? A bad CDI box may not cause a spark at all. Well, got all that fixed with a new stator and put lock tight on the bolts. Watching this video will help you diagnose to see if it's time to replace your engine control module. We took it to the shop and they said that it was the CDI box, so we put on a CDI box and it ran fine for about 3 hours and then started cutting out again. MY 400 BACKFIRES AND FALLS ON ITS FACE ONCE WARM AND UNDER LOAD (HILL CLIMB). ltz 400 offroad vehicle pdf manual download. Back in January after setting for a week the battery was dead. 06 ltz400 Cam chain broke , replaced chain ,adjusted valve clearance, checked piston,all rings good, no scaring, no valve leaks timeing fine, replaced spark plug. By being aware of common issues like difficulty starting, erratic performance, and power loss, you can diagnose and address problems with your CDI box more effectively. yoshimura full exhaust, honda 400ex intake tube, no air box Reply Like glock 629 posts · Joined 2012 A forum community dedicated to all Suzuki ATV owners and enthusiasts. Symptoms of a Faulty CDI Box If you have experienced any of the symptoms mentioned, it is important to be aware of the potential signs of a faulty CDI box on your dirt bike. There are many places that you could be losing voltage. It Jun 1, 2010 · The don't go bad often, that is for sure. I cleaned the carb and drained all the old gas out of the tank. Also when you would pull the clutch in it would crank. amazon. I then grounded the black wire with yellow stripe si Hi! I need to replace my Procom CDI box on my LTZ 400 (2007) with an original one and I just wonder if there is any difference between the original CDI boxes beteween the years 2003-2007 or if anyone of these will fit my 2007? 2007 LTZ 400. It worked great for a week and then my flywheel bolts backed out and ruined the stock stator. Just picked up a 2003 LTZ400 that hadn't been running in a couple years. If you are losing power before the CDI, then the coil also won't have any power. Bike used to work good but one day while i was riding bike under load started miss firing like hitting rev limiter. Battery is dead and will not hold any charge. Here are some common symptoms of a bad CDI box in a motorcycle: What you need to know about how to test CDI box with a multimeter The capacitor discharge ignition (CDI) as you know is that black box on your motorcycle that basically functions as the brain of the ignition and motor unit. 6K views 2 replies 2 participants last post by CalebMC Aug 3, 2022 C In this article, we will investigate the worst issues experienced by Suzuki LTZ 400 owners based on reports, customer complaints, and user forums. to/4d Here's a quick trick to know which way to turn those fickle air fuel screws just by looking at any carb body! #shorts Subscribe for the upcoming complete ser To bypass your CDI box, you clear your bench, remove the box, check resistance specifications, measure the primary and secondary oil resistance, and compare readings. Don't worry, we explained this complex process to steps that are easy to follow. unplug coil, and measure PV across +terminal at coil (from CDI) and ground. Not sure what has happened. compression is good. I CLEANED CARB, ADJUSTED VALVES AND The CDI (Capacitor Discharge Ignition) box is an important component of a motorcycle's ignition system. Even in neutral if you give some throttle it misfires arround 3-4k rpm. I'm still confused as to why I can get a solid blue spark on the plug when grounded to the block. Suzuki ltz 400 cdi pin diagram needed? Somebody has ripped the wiring harness off my quad and I’m not sure which wires go where. . Scan tool that Reads Transmission ABS Sensor Codes: https://amzn. com/gp/product/B00more Difficult diagnosis possible bad CDI/ECM 1 reading Jump to Latest 4. I replaced the battery and then a few weeks later I started getting check engine light,service traction control followed by service stabiltrak. what symptoms will you experience when your CDI is gone? Also, what are the symptoms of bad pickup coil? A CDI box is used in motorcycles and other vehicles to store electrical energy and deliver it to the spark plugs to ignite the air-fuel mixture in the cylinders. The thing that I am having a problem with is that your manual says if you have not power to the coil, then the CDI is the problem. 8V may indicate weak signal output. Explore Our Forums 03 ltz 400 94mm cylinder works cylinder +4 hot rods crank 37mm intake valves 30mm exhaust valves mild porting 39mm fcr Modified stock air box with 400Ex carb boot Web 540/539 cams Dyna programmable Reply Like J JWT So you want to know how to test a CDI box with a multimeter. At first it seemed ok but after a few minutes of running it started to mi Any variance from that = bad switch. Bike is kicker only conversion without battery . How the black box in your motorcycle works, and what do do when it fails. This video is about Bad Suzuki LT-R 450 CDI Diagnosis and replacement CDI link - https://www. I need a clear picture of wiring of cdi connector, i need to see which wire goes where on the connector, which colours and in which order. When a CDI box begins to malfunction or fail, it can result in various symptoms that indicate its problems. I took apart the carb and cleaned it countless times and bought a rebuild kit and all new jets and still ran bad. In this video, you will learn 4 symptoms of a bad or failing engine control module. I can try for a bit and it starts but the stock one it fires right up. I used another battery to jump start it. 4K views 7 replies 2 participants last post by Toyjacob Sep 4, 2018 LTZ 400 cuts out when turning left or shake side to side Jump to Latest 11K views 12 replies 7 participants last post by mxracer75 Mar 14, 2023 S bad CDI's can start to show issue's with backfiring, not idling running hot, trouble starting after warmed up, shutting off once hot and so on! Stock frame, head, cdi, swimgarm, steering stem, and rear Link. everything else aftermarket or modified. In this article, we will learn, I've got a 2014 LTZ with 19500 miles on it. However, your bike shows symptoms like ignition problems, dead cylinders, and engine stalling. We have a 03 Z400 that was running fine and then started cutting out like it was always on the rev limiter. View and Download Suzuki Ltz 400 service manual online. Checked for bad ground at ignition coil by repeating peak voltage test taking ground at negative battery terminal. Then the quad would not start, would not i have an 03 ltz 400. In today’s video, Zach explores everything you need to know about an engine’s starter - its fundamental role in your vehicle's operation and the common symptoms indicating it might be going bad. These issues occur because the CDI box fails to discharge the correct amount of electrical charge or discharges it at the wrong time, leading to improper ignition. I am working on ltz 400 cdi wiring and i need some help. Bike ran great for a week. Even with the factory CDI installed, the problem still remained just as bad. not a good cdi on an unknownhas problem not running bike. I have change ignition coil, cdi, wire harness ( the wires to the cdi was pulled out like them do on this bikes), spark plugs, stator. Testing the CDI box with a multimeter is a valuable step in troubleshooting your dirt bike's electrical system and ensuring optimal performance. I popped a s CDI onto my 2001 e. I literally spent over 30 hours researching and working on my bike trying to fix the problem. At this point I'm thinking the coil is bad, but I decided to run the peak voltage test with the coil disconnected - i. You'll see the culmination of efforts at the end of the video when my son takes it for it first test ride. The best selection, low prices, fast shipping, and great customer service. Voltage Regulator Verify that stator output is correct, and check all other connections. Remember, a defective fuel pump or spark plug can display similar symptoms as a faulty CDI box. I have a 2006 LTZ400 that I installed a Big Gun CDI. If your vehicle is not starting or running properly, one of the first things you should check is the condition of the CDI box. But i tried turning it and still nothing. I took it to the dealer and they replaced the Symptoms when a vehicle speed sensor has gone bad and how to check if it has gone bad. We have checked all the wires for cuts or and can't find any issues there. Jun 10, 2012 · I have a 06 kfx 400 and recently the quad starts cutting out and will stall if I fully press the throttle. If you had a CDI box die on you, what were the symptoms? was anything else bad too? Did you end up replacing the box and a set of coils or the box and a new stator? When the CDI box died, did the plugs still spark a little? Was there big blue spark (usually asociated with bad coils)? Did all Shop for the CDI Module Suzuki LTZ400 LTZ 400 QUADSPORT 03-04 Monocurve 160-02054 at DB Electrical. I can pull it off and it will start but the electric start will not start it. What Are the Symptoms of Bad Polaris CDI Box? When a Polaris Sportsman 500 idles but dies, it can point to different things, such as misfires, starting issues, rough running, and even a stalling motor. Went to my friends house for a little while and when I went to leave the bike died just a couple blocks down. At times, a faulty CDI will not cause sparks or a misfire. The CDI box is a critical component of your ATV’s ignition system, and understanding its symptoms of failure can help you maintain your vehicle's performance and longevity. I have a big gun cdi I there and Dec 17, 2025 · Solve engine ignition issues. I have an 88 warrior and suspect the cdi is bad. Carb is clean, reverse sensor is good, and everything else has checked ok. A bad CDI box does not always have observable symptoms. Thanks in advance. what symptoms will you experience when your CDI is gone? Also, what are the symptoms of bad pickup coil? Diagnosing CDI box problems can be tricky, as symptoms often mimic other ignition system issues. 2003 Suzuki LTZ400 CDI Testing and Diagnosis Guide LTZ400 users often face ignition failures and inconsistent spark issues related to the CDI system. the result could be 2 fried cdi boxes! On top of that, I received a stock CDI box with my quad (it has a Big Gun CDI currently) so I installed it to see if my aftermarket CDI was the problem. Hi to all. WHO MAKES A CDI/COIL FOR A 2005 LTZ 400. i If you had a CDI box die on you, what were the symptoms? was anything else bad too? Did you end up replacing the box and a set of coils or the box and a new stator? When the CDI box died, did the plugs still spark a little? Was there big blue spark (usually asociated with bad coils)? Did all Eiger 400 Bad CDI? Jump to Latest 7. Any Hey I bought a 95 honda fourtrax 300 2x4 and when I bought it the guy told me it just needed some carb work done. Oct 31, 2013 · I just got a used rev max advantage performance cdi and it is not letting my wheeler start. And its hard to tell what number the setting is on with the dial. It has a dial 0 to 9. To test the CDI on a 2003 LTZ400, first verify the pickup coil voltage during cranking (9-10V is normal). The reason I think the cdi is bad is that i have to hook up my new stator backwards in order to get fire at the spark plug. Sitting on shelf: x510 cams, kibble white springs, and +1mm ferrea valves. These symptoms can be confusing, and care should be taken before concluding the issue with the CDI. last year the chain came off and broke the side of the case. Every wire has been checked well over a dozen times even install a new stator. Your diagram would be more helpful if it included what the wire goes to ie: ignition coil, stator, ground, etc As it is it doesn’t tell much more than wire location in the terminal going to the cdi box. CDI There is no test for a CDI All you can do is try a different one, or verify that the stator, coil, ignition switch, kill switch, and any teathers are working properly, and the battery voltage is acceptable. t3m4w, i3ai, vctwal, ijf2ma, tuqc, lhncn, yqfz3, flrczd, 7t56ba, 23tqh,