2000 Polaris Sportsman 500 Bogging Out in Reverse
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By hengstserepair
Howdy ya'll. I am working ona 2000 Yamaha Breeze 125. It was in rought shape when I received it and I am working through issues as they pop up. The quad had been sitting for years. I was able to get her running again, but I need your help with the following issue:
I don't trust the transmission yet and I don't want to make problems any worse. So, I haven't pushed things hard at all. Low rpms, less than 5mph in reverse.
Nuetral: Runs as expected
Reverse: She seems to be driving fine at slow speeds. Going into reverse at idle is fine, coming out of reverse back into neutral won't work (the shifter is just stuck). As soon as I turn off the quad, I am able to shift around without any issue.
Forward: It slips. It seems to only transfer power to the wheels on a smooth surface and going slightly downhill. When shifting into forward at idle, there is a clacking sounds during the transition. Shifting back to nuetral works just fine.
Other Notable Symptoms: There was old oil in the vbelt and when I was tuning the carb, it starting blowing out of the CVT cooling vent at the front of the quad. Made quite a mess. There is positive crankcase pressure due to piston blowby, that I have not decided whether or not I am going to fix (customer budget dependant). Since the oil was old, much darker than the new oil that is in the crankcase, I am thinking it seeped past a bad seal while it was sitting for years. The oil that was in it when I first got it had gas in it.
Thoughts: I am thinking maybe there is an issue with the clutch. I worry about the old oil intermingling with the dry centrifugal clutch. I was thinking my next step would be to take the cover off of the clutch and inspect it.
Let me know what you all think. Any advice and ideas is greatly appreciated. This is only the 3rd quad I have worked on and I have a lot to learn.
Lorne
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By Admin
View File 2013-2016 Polaris RZR 570 service manual
Download the 2013-2016 Polaris RZR 570 service manual PDF for complete factory repair, maintenance, troubleshooting, and diagnostic procedures. This comprehensive Polaris RZR 570 repair manual covers all major systems including engine service, EFI fuel injection, transmission and clutch repair, drivetrain maintenance, suspension, steering, brakes, electrical troubleshooting, wiring diagrams, torque specifications, and factory maintenance schedules.
Designed for RZR owners, mechanics, trail riders, racers, and DIY enthusiasts, this factory-style service manual provides detailed step-by-step instructions and diagrams for maintaining, troubleshooting, repairing, and rebuilding the Polaris RZR 570 side-by-side UTV.
Topics covered include:
Polaris RZR 570 engine repair
EFI fuel injection diagnostics
CVT clutch and transmission troubleshooting
Drivetrain and differential service
Suspension and steering maintenance
Brake system repair
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Oil change procedures and maintenance intervals
Torque specs and factory service data
Polaris RZR diagnostic procedures
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This Polaris factory repair manual is ideal for owners looking to maintain, troubleshoot, repair, or upgrade their RZR 570 for trail riding, recreational off-roading, hunting, racing, and utility use. Whether you're performing routine maintenance or a complete rebuild, this manual provides the factory information needed to keep your Polaris RZR 570 running at peak performance.
Submitter Admin Submitted 05/30/2026 Category Polaris UTV
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By Rockbottom
2008 400 big bear was running now will not start
have power to relay, in neutral, press start have power to starter but nothing happens starter does not turn
i have good ground at battery to frame and added ground from wire harness to frame beside batter/ frame ground
blue white wire to cdi has power with key on
I believe the neutral lock out is working since is was before i shut it down
if i put it in gear and hit the start button with key on the relay does not click or send power the starter
The 3 wires at the relay have power with key on
What should i test next?
thanks ahead
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By Admin
View File 2016-2026 Polaris Youth ATV 110 EFI service manual
Download the 2016-2026 Polaris Youth ATV 110 EFI service manual PDF for complete factory repair, maintenance, troubleshooting, and diagnostic procedures. This comprehensive Polaris Youth ATV repair manual covers all major systems including engine service, EFI fuel injection, transmission and drivetrain maintenance, suspension, steering, brakes, electrical troubleshooting, wiring diagrams, torque specifications, and factory maintenance schedules.
Designed for parents, mechanics, ATV owners, and DIY enthusiasts, this factory-style service manual provides detailed step-by-step instructions and diagrams for maintaining, troubleshooting, repairing, and rebuilding Polaris Youth 110 EFI ATV models.
Topics covered include:
Polaris 110 EFI engine repair
EFI fuel injection diagnostics
Transmission and drivetrain service
Suspension and steering maintenance
Brake system repair
Electrical troubleshooting and wiring diagrams
Oil change procedures and maintenance intervals
Torque specs and factory service data
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Starting and performance troubleshooting
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This Polaris factory repair manual is ideal for maintaining and repairing Polaris Youth ATV 110 EFI models used for recreational riding, trail riding, beginner ATV training, and family off-road adventures.
Submitter Admin Submitted 05/28/2026 Category Polaris ATV
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By Admin
View File 2021-2026 Polaris Sportsman 450 / 570 1-Up service manual
Download the 2021-2026 Polaris Sportsman 450 / 570 1-Up service manual PDF for complete factory repair, maintenance, troubleshooting, and diagnostic procedures. This comprehensive Polaris Sportsman repair manual covers all major systems including engine service, EFI fuel injection, clutch and transmission repair, AWD drivetrain systems, suspension, steering, brakes, electrical troubleshooting, wiring diagrams, torque specifications, and factory maintenance schedules.
Designed for ATV owners, mechanics, hunters, trail riders, farmers, and DIY enthusiasts, this factory-style service manual provides detailed step-by-step instructions and diagrams for maintaining, troubleshooting, repairing, and rebuilding the Polaris Sportsman 450 H.O. and Sportsman 570 1-Up utility ATV models.
Topics covered include:
Polaris Sportsman 450 engine repair
Polaris Sportsman 570 service procedures
EFI fuel injection diagnostics
Clutch and transmission troubleshooting
AWD and differential repair
Suspension and steering maintenance
Brake system service
Electrical troubleshooting and wiring diagrams
Oil change procedures and maintenance intervals
Torque specs and factory service data
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This Polaris factory repair manual is ideal for riders looking to maintain, troubleshoot, repair, or upgrade their Sportsman 450 or Sportsman 570 1-Up for trail riding, hunting, farming, utility work, and off-road adventures.
Submitter Admin Submitted 05/28/2026 Category Polaris ATV
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