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Superk

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Posts posted by Superk

  1. I had the Polaris Outlaw 50 which is one of the smallest quads available. The CVT transmission allowed for very smooth starts. The front tires are set up with a lot of camber to prevent the quad from rolling over. The thumb throttle had a limiter bolt that you could turn in or out to limit the travel of the thumb throttle. While this limited the amount of power the engine produced it was still possible for the quad to achieve fairly quick speeds on a straight downhill run. It is a balancing act of allowing enough throttle travel for the torque to accelerate on an incline but not have to high of a top speed. 
    The youth Polaris Ranger 150 has ride command which does limit the speed while not detracting from the torque. You download an app on your cellphone then select the speed exact speed and push the settings to the side by side. 

  2. Many of the lithium batteries have a built in bms that will not allow the battery to be over charged or over discharged. The well thought out ones have a button to press that will have enough reserve to start the ATV. A 20 amp hour battery lithium actually has twice the power of a 20 amp hour lead acid battery. The lead acid does not allow you to access the full amount of the battery. So for an equivalent battery you can actually purchase half the size which equates to further weight savings. For me though I prefer the extra capacity. 

  3. My vote goes to the Genius charger brand. Prior to these I preferred the CTEK chargers however they are more expensive. The genius chargers have the ability to run a desulfurization cycle and they can force feed the battery to attempt to get a charge into a overly depleted battery. If you want full adjustability the the best I know of is a Junsi X8 however this requires buying a separate power supply and is more effort then most will likely want to put forward, once acquired however you can charge at any rate you prefer and set cut off voltages as well as monitoring and tracking charge cycles and charging most all types of batteries including lithium. 

  4. There are some great examples explaining a CDI on YouTube as well as the stator, rectifier, and regulator. It makes for a clear understanding to follow the entire system. There are also 2 different types of cdi’s differentiated by the source of the power supply either the stator or the battery. The signal for the CDI to send the power to the spark plug can be on the crank flywheel in which case it is known as a waisted spark ignition since this type ignites the spark plug on each revolution (both compression & exhaust cycles) and on the camshaft which only ignites the spark plug on the compression stroke. 

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