Polaris jet-ski has no spark, weak spark or intermittent spark refers to when an electrical discharge occurs at irregular intervals or lacks the ability to ignite the explosive mixture in the watercraft’s internal combustion engine, and subsequently, the motor fails to start up.
The following information helps to identify the causes of weak spark, no spark or intermittent spark. Check for one or more possible malfunctions:
No spark or weak spark to one cylinder.
- Non-resistor spark plugs in use.
- Spark plug worn, fouled or damaged.
- Poor connection at spark plug cap to high tension lead.
- Poor connection at high tension lead to ignition coil.
- Damaged or disconnected spark plug cap.
- Poor grounds or connections at electrical box.
- Electrical connections heavy corroded.
- Hall effect sensor (trigger) malfunction.
- Poor connections to hall effect sensors (trigger).
No spark, weak spark or intermittent spark on all cylinders.
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- Non-resistor spark plugs in use.
- Spark plug worn, fouled or damaged.
- Engine stop switch malfunction (shorted).
- Discharged battery, low voltage, crank speed too low.
- Disconnected or incorrect wiring.
- Terminal board or connections loose or heavy corroded.
- Poor grounds or loose connections at electrical box.
- Poor ground or loose connections at engine mount plate.
- Insufficient connection at secondary coil or primary winding.
- Ignition coil malfunction.
- Excessive crankshaft runout on magneto end (if applicable).
- Faulty trigger or pulse coil, exciter coil (test stator).
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Item 1 Polaris: Water Vehicles Shop Manual 1996-1998 Clymer Personal Watercraft. Item 4 1996 1997 1998 Polaris JetSki Repair Manual SLT700 SL900 SL780 SLT780 SLH W820 - 1996 1997 1998 Polaris JetSki Repair Manual SLT700 SL900 SL780 SLT780. (Download,2019) $6.99. Trending at $12.95. Blue Book of Gun Values 40th Edition on Portable USB Drive. Instant Download. 1996 Polaris Trail Blazer 250,1996 Polaris Trail Boss 250,1997 Polaris Trail Blazer 250,1997 Polaris Trail Boss 250,1998 Polaris Trail Blazer 250,Polaris service manual Polaris repair manual,Polaris workshop manual,Polaris factory manual, Polaris manual download,Polaris Owners manual,Polaris maintenance,Polaris manual free.
Open the memory card slot cover and turn toexpose the slot.2. A USB charger (charging head andUSB cable) is included with the device for chargingthe battery from any standard outlet.The battery comes partially charged. Close the memory card slot cover.Charge the BatteryYour device is powered by a rechargeable, standardLi-Ion battery.
4 Assemble Your DeviceAssemble Your DeviceThis section helps you toassemble your device.Install an Optional Memory CardYou can install an optional microSD™ ormicroSDHC™ memory card (not included) to addadditional memory space to your device.Note: A memory card can be installed at any time; itis not necessary to install it prior to using the device.1. With the gold contacts facing down, carefullyslide the memory card into the slot, pushinggently until it clicks into place.3.
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It’s possible that other less common reason could cause weak spark, no spark or intermittent spark but these the most probable causes. It’s recommended you also refer to the downloadable factory repair manual for additional information regarding spark issues.
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