How To Test A Dirt Bike Stator There are some ways you can test if your bikes stator is functioning as it should. It had been running just fine until one day it started acting if it was running out of gas anytime the throttle was turned from 1/2-full throttle(it would still rev). Have you tested the stator? It might not even hold low revs at all. The field coil makes the magnetic field, the stator need this magnetic field to produce an output. All in all, while driving if you experience revving or sputtering and delayed acceleration, this clearly point towards the water in gas symptoms. If the voltage drops below approximately 13 volts, the motorcycle will begin to drain the battery and eventually the engine will stop. You may be able to get your bike started with a bad stator, but it won’t be able to charge and power the electrical system and/or battery. Everything sounds good, no whining noise from the stator, bike started up first try like nothing had happened. CATEGORY: DIRT BIKE TECHNICAL ISSUE DETAILS The stator on these RM125 models consists of a plate with a pickup coil and a 6-pole stator on which ONLY TWO poles are wound as a source coil providing power for the CDI. none of the lights work. If the stator fails, then you won’t be charging your boat’s batteries while you are running! Bike: 2013 KTM 990 Baja Mileage: 26,000 Battery type: OEM Yuasa Symptoms: A couple months ago, the bike was beginning to get harder to start. Check the resistance of the stock stator. Create a Battery-op Ignition System for Less Than $50: The cost of a new stator can be hundreds of dollars. We’d recommend reading this article here on How Outboards Charge The Boats Batteries By Either A Stator or An Alternator. Carburetors are relatively simple devices. On most 2 stroke dirt bikes, there's a plastic cover on the left side covering the flywheel and ignition system and this cover, (if still the OEM plastic unit) is frequently distorted and allowing water, dirt, sand and grit into this area during rides or while washing the dirt bike. The voltage regulator is responsible for supplying power to the gauges, and once it has a fault, the gauges start to shine dimly and the indicators flicker at intervals. Borrow a cdi from another bike, plug it to your bike, If there is change is performance, then your cdi is bad. Stator Is Bad. If we talk about an 85cc two stroke dirt bike then it should have a minimum compression of 130 PSI to run at a right efficiency and give out better performance. If you buy a 2-stroke dirt bike with a lot of hours or you ride a lot every month, chances are it will need the top-end replaced sooner rather than later. Dirtbike Forums > Dirt Bike - ATV - Suspension Forums > 2-Stroke Dirt Bike Forums > 2-Stroke Dirt Bikes ... but pretty sure CDI's are either good or bad, nothing in between. The stench might be so pungent that it’s evident after pulling into the pits. Bad Stator Fix--Don't Buy a New Stator for Your Engine! I noticed it cranking a little slower and taking 2 or 3 hits of the starter to turn the bike over, which is unusual … An ATV will not start with a bad stator, the engine requires electrical current from the stator to power the coil and fire the spark plug. Current status of bike: original stator deemed to be in good condition and working. Their primary function is to deliver the right amount of fuel/air mixture at a given throttle opening (as selected by the rider). But sometimes these systems go bad. A faulty stator is another less common problem, but still occasionally happens, and that’s why we’re covering it here. Symptoms of a faulty stator may include: No start Over time these dry out. Symptoms: The machine is emitting a foul burning smell that could strip paint off a wall. In this post we’ll look at the top 5 signs and symptoms that your 2 stroke dirt bike may need a top-end rebuild. While cruising at speeds about, say, 60 mph up to 90, I felt what I thought was a chronic and intermittent surge. This solution completely bypasses the stator by using a 12 volt battery to power the ignition system. Signs of Engine Overheating On a Dirt Bike or ATV By: AndrewT June 01, 2018 In the midst of battle or just bar-banging fun on the trails you can easily miss or even ignore the mounting symptoms that indicate an overheated engine on your dirt bike or ATV. Sign #2: Creeping & Bad Smell. Valve adjustment is a regular activity that needed to be done. I have an 02 bandit 1200 with 21,000 miles. This bike has the Honda V-4 with injection and it's in generally good condition. My question is, it's now throwing a F1 light. Solving water in gas tank symptoms. Or you can do it the other way. If the radiator cap is stuck, the proper amount of coolant cannot be released appropriately and this causes coolant temperature and coolant pressure increasing. The stator should generate enough power to not only operate all of the electronic functions of the bike, but there should also be enough of a surplus to charge the battery that has been drained a bit from starting the bike. When the engine runs, the capacitor charges off the stator but when the capacitor no longer holds a charge it prevents the pump from running. Meaning if the bike won't start it's bad, and if the bike will start, it's as good as it's going to get (unless there is some sort of intermittent problem. Checking the voltage with a voltmeter versus relying on symptoms alone will prove highly beneficial. It will run good for about 10 or 15 minutes, but once it warms up, it won't idle properly, will start struggling and die. Bad Fuel Pump Symptoms on a Dirt Bike or ATV. Ignition failure causes: 1) Bad stator source coil, which is a very common fault. Signs & Symptoms Of A Bad Stator. A balanced and good compression is between 150 and 160 PSI. Symptoms could include misfiring, dead cylinders, backfiring, bizarre tach behavior, and countless other things related to how your engine's running. the headlight began to put off rainbow colors and then the bike died. is this a computer problem or a stator problem? The 550 alternator, even when new, didn't make more power at idle than the bike uses, especially with the headlight on. Generally, though, the smell is noticeable after removing the clutch cover. While at idle the alternator only makes about 40-50 watts. Or, is it either good or bad. I cleaned out the carbs did a holeshot stage 1 jet kit. Source: HotCars. One of the first symptoms you discover when your Harley voltage is going bad is that your bike’s gauges show dim or flickering signs. ... A bad stator can also give the same problems too. I started it up with the airbox removed. If your stator is bad, the battery of your ATV will not charge while the ATV is running. Rebuild Your Bike's Expensive Stator: Here is how I've rebuilt the stator of my bike, a Yamaha yp250 scooter, branded here in Italy as Majesty 250. With these, you can easily determine you should fix it or replace it as soon as possible. Elsewhere, fuel pumps need power to run and use a capacitor. I pulled the plug and it shows spark outside of the motor when I kick it. Generally, motorcycles feature a three-component system containing three wires that link the stator to the regulator rectifier. Again, when a CDI box is about to go bad, it can lead to misfires, issues with starting, rough running or even stall the motor. Your idle will hang and/or the bike … Plug you cdi in another bike. The original part is WAY too expensive here (more than 600$), so I HAD to invent ways to solve the… The problem may get worse as the bike warms up. How to adjust the valve of a dirt bike to enhance the performance is a necessary phase to understand for all riders. Some bikes have single-phase designs because they cost less to manufacture, in which case there would be two wires rather than three. there is no battery in it it works totally off of the stator. If the seal on this side goes bad, you’ll get air leaks. Find Wiseco clutch components for your bike or ATV here. Some of the major causes are condensation of atmospheric pressure, the poorly sealed cap on tank’s top, and the bad top fuel pump. I have had the tci on my Virago repaired twice, replacement of a thermo fuse and transistors. However, here are a few symptoms of a bad radiator cap. 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