2005 Polaris 800 Edge Touring No Spark

The title “2005 Polaris 800 Edge Touring No Spark” delves into a specific issue encountered within the realm of recreational snowmobiling. In this context, “no spark” refers to the absence of the critical electrical discharge required to ignite the air-fuel mixture within the engine of a 2005 Polaris 800 Edge Touring snowmobile. Akin to the way a spark plug emits sparks of electricity to initiate combustion in a conventional gasoline engine, the ignition process in this snowmobile model relies on the same principle. When the air-fuel mixture enters the combustion chamber, it must be precisely ignited by a spark to initiate the controlled explosion that powers the engine. However, a “no spark” scenario denotes the malfunction of this vital ignition system, leading to symptoms that can disrupt the snowmobiling experience and warrant a comprehensive examination of the vehicle’s electrical components.

This article digs into why no-spark issues happen, points out the reasons, and gives solutions to bring back the snowmobile’s power.

Polaris 800 No Spark When Cranking
No Spark – 2005 Touring Service Manual

Spark Plug Fouling

One of the primary culprits behind the “no-spark” quandary is the fouling of spark plugs. Over time, these essential components can become encrusted with carbon deposits, thereby obstructing the spark’s generation. To remedy this, regular inspection and cleaning of spark plugs, or even their timely replacement, ensure optimal combustion efficiency. This restoration of spark plug functionality reinstates the fundamental spark and, consequently, the snowmobile’s operational prowess.

Faulty Secondary Coil or Disconnected Wires

A malfunctioning secondary coil or disconnected wires can disrupt the ignition process, hindering the generation of the crucial spark. Addressing this involves meticulous examination of the secondary coil and wires, ensuring proper connections and addressing any potential damage. By restoring the integrity of these components, the snowmobile’s ignition system is rejuvenated, allowing the spark to once again breathe life into the engine.

Poor Ground on Secondary Coil Mount

A compromised ground connection on the secondary coil mount can lead to diminished spark production. To overcome this, meticulous attention to grounding points is essential. Ensuring secure connections and addressing any corrosion or deterioration restores the necessary grounding, empowering the secondary coil to contribute to the ignition process as intended.

Shorted or Open Primary Coil

A shorted or open primary coil can sever the vital link between the battery and the spark generation mechanism. By carefully inspecting the primary coil and addressing any short circuits or open circuits, this roadblock is eradicated. Reestablishing the functionality of the primary coil rekindles the spark’s birth, enabling the snowmobile’s engine to roar back to life.

Ignition Switch Contamination

Moisture infiltration leading to ignition switch contamination can disrupt the ignition sequence. Diligent efforts to shield the ignition switch from moisture intrusion and periodic cleaning can rectify this issue. As a result, the spark generation process remains unaffected, ensuring a seamless ignition process.

Auxiliary Switch Contamination

Similar to the ignition switch, the auxiliary switch is also susceptible to moisture-induced contamination. Regular maintenance and shielding from the elements thwart such issues. By preserving the auxiliary switch’s pristine condition, the snowmobile’s ignition system remains unimpeded, igniting the engine with a renewed spark.

Battery Discharge

A discharged battery can debilitate the entire ignition system, preventing the spark’s creation. Regular battery maintenance, including periodic charging and addressing any underlying battery issues, ensures a consistent and potent power source. A rejuvenated battery enables the snowmobile’s ignition system to triumph over the “no-spark” conundrum.

In summary, the “no-spark” conundrum in the 2005 Polaris 800 Edge Touring snowmobile presents a complex puzzle with multiple potential solutions. By meticulously diagnosing and addressing the most common causes – be it spark plug fouling, faulty coils, compromised switches, or battery issues – enthusiasts can once again unleash the roar of this mechanical beast. As we navigate the intricate pathways of ignition intricacies, we equip ourselves with the knowledge and tools to overcome the “no-spark” obstacle, ensuring a seamless and exhilarating snowmobiling experience through winter’s embrace.


2005 Polaris Touring Service Manual. Section 3.40: Troubleshooting Engine “No Spark”, Page 92.

2 thoughts on “2005 Polaris 800 Edge Touring No Spark

  • Chris Petzold

    Throughout the entire season, my 800cc engine had been operating perfect. However, an unexpected and irregular loss of power occurred within the mid to upper range RPMs, manifesting as a sporadic “bog.” Following this, the engine suddenly ceased operation during a sidehill maneuver at approximately fifty percent throttle, leading to a complete absence of spark. My initial inspection did not reveal any visibly damaged wires, and in an attempt to rectify the issue, I even replaced the coil with an alternate one, to no avail. Furthermore, I disconnected both the kill switch and the tether, yet the spark remained absent.

    Is it plausible that the initial mid to upper range “bog” and the subsequent lack of spark are interrelated?

    Considering these observations, what potential components, such as the Capacitor Discharge Ignition (CDI) unit or the stator, could be contributing to this dual phenomenon?

    • Mr Cetus

      I think the stator might be the problem. This happens a lot with the big Polaris engines. You can do a test called an ohm’s test to check it, but I don’t have the instructions right now. Maybe someone who knows can help? It’s better to test before changing parts. If you know someone with a similar c.d.i. box, you can try swapping that out. If there’s still no spark, it probably means the stator is causing the issue. I always keep c.d.i. boxes from sleds I buy that are broken, so I can use them for testing.


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