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By 88bigbear
Bought a 88 big bear 350 4x4 took it for a run and lost spark, found it was stator so I replaced that then took it for a long run and it sat for 2 days and no spark again, this time stator tests good on ohms and voltage for source and pick up coils so I started replacing things including regulator, ignition, ignition coil and plug cap, spark plug and everything tests great including all safety switches until the orange wire for ignition coil from the cdi it only reads 3 volts so I replaced the cdi and still 3 volts, any ideas??
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By cfherrman
Fixing for a friend. Atv was at a different friends house to be fixed and he rebuilt the carb and had it running nice, then it shut off and no more. He replaced the key and the coil.
So he got busy, so I am helping, I checked the wiring from the stator to the cdi, and from the cdi to the coil. All is good. I checked resistance on the pickup coil, good, and on the source coil, open. I buy a new stator (China) and the 4 prong plug only has 3 wires in it while mine has all 4. I checked resistance in the source coil and it's in the 300's. I pulled one of the old pickup wires out of the old stator and wire it in the new one. Still no spark.
Why do the wires differ, I checked the VIN again and it's "J" for the year and I got a 1988 stator. Please help!
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By LashinWheeler
Hello all, I have a 2006 Polaris Sawtooth with no spark. It has a dead battery but with a jump pack on it, it will still not Spark. Plug is good, Throttle ETC is not closed, Stator pick up coil seems to Ohm out in the correct range, Unsure how to properly check the CDI. And when ignition is on the Neutral and reverse light come on but after cranking just the neutral stays on.
Any help would be great,
Thanks!
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By flyinbrian365
View File 2018-2019 Polaris Sportsman 850/1000 service manual
2018-2019 Polaris Sportsman 850 / 1000 – Official service manual Resource
📌 This thread is dedicated to the factory service manual for the 2018 and 2019 model year Polaris Sportsman 850 and 1000 ATVs.
What's Covered:
This service manual covers complete OEM factory procedures for the following models:
Polaris Sportsman 850 (2018–2019) Polaris Sportsman 1000 (2018–2019) Polaris Sportsman 1000 XE / Trail / High Lifter / Touring variants (where applicable) Manual Contents Include:
Engine service & specifications (ProStar 850 & 1000 single-cylinder EFI engines) Fuel system diagnostics & EFI troubleshooting Drivetrain, transmission, and AWD service procedures Electrical system schematics & wiring diagrams Suspension, steering, and brake system specs Clutch adjustment, belt service, and CVT procedures Torque specs, fluid capacities, and maintenance schedules Diagnostic trouble codes (DTCs) and service tool usage Intended Audience:
This resource is for owners, shade-tree mechanics, and professional technicians working on 2018–2019 Sportsman 850/1000 platforms. Whether you're doing routine maintenance, diagnosing a fault code, or tackling a full engine rebuild, this manual has the factory-spec procedures to get it done right.
Submitter flyinbrian365 Submitted 06/04/2026 Category Polaris ATV

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