Polaris Top End Rebuild Part 3: Replace Piston and Rings| Partzilla.com скачать в хорошем качестве

Polaris Top End Rebuild Part 3: Replace Piston and Rings| Partzilla.com

In part three of our Polaris top end rebuild series, John shows you how to replace the piston and rings on your four-stroke ATV. We’re working with a Polaris Sportsman 850. Learn how to inspect cylinder bore, seals on crankshaft, counterbalance shaft seals, timing chain. Then, learn how to pull the bottom end of your engine apart, including how to remove pistons, connector rods, starter, stator cover, flywheel, water pump drive adaptor, coupler/starting gear, and chain guide. See a diagram of the crankshaft, pistons, and rings here: https://www.partzilla.com/catalog/pol... Read how to do this job step by step: https://www.partzilla.com/blog/polari... Skip ahead to part 4 here:    • Polaris Top End Rebuild Part 4: Set Cam Ti...   VIDEO HIGHLIGHTS: Remove starter and stator cover - 2:57 Remove flywheel, and water pump - 3:35 Split engine case to get to connector rods - 4:50 Remove chain guide and oil tube - 7:21 Pull connector rods and pistons - 6:26 Inspect cylinder bore - 8:37 Remove piston rings and measure ring gap - 9:46 Remove old gasket material - 11:24 Inspect seals on crankshaft - 12:05 Connector rods and pistons - 13:03 Remove old connector rods from pistons - 13:48 Install circlip and rings on new piston - 14:31 Install new pistons into bore and connector rods - 15:50 Torque down connector rods (two-stage process) - 17:26 Reinstall main bearings for crank - 18:26 Reinstall oil tube and replace stator cover - 19:47 Reinstall crankcase bolts in right sequence - 20:04 Reinstall coupler/starting gear - 20:55 Buy Polaris ATV parts here: https://www.partzilla.com/catalog/pol... Talk to us: Twitter:   / partzilla   Facebook:   / partzilla   Instagram:   / partzilla   In the video we’re working with a 2011 Polaris Sportsman 850, but you may have similar steps for your Polaris ATV. If you’re not sure whether these steps apply to your machine, leave a comment and we’ll get back to you. RELATED CONTENT: Sportsman 850 Top End Rebuild Part 1: Engine Removal:    • Polaris Sportsman Top End Rebuild Part 1: ...   Sportsman 850 Top End Rebuild Part 2: Remove Cylinder Head & Valve Stems:    • Polaris Top End Rebuild Part 2: Remove Cyl...   Polaris Sportsman 850 top end rebuild playlist:    • Polaris Top End Rebuild Series (Sportsman ...