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MK1001150
About NICHE
NICHE provides Powersports replacement parts. Some of the NICHE product categories include cylinders, brake pads, axles, off-road mirrors, and drive chains. NICHE parts are here for when you need them the most.
NICHE Bore Piston Gasket Ring Kit MK1001150
- Includes: NICHE Piston Gasket Kit
- Compatible with the following brands: Polaris
- Compatible with the following models: Sportsman 500 Scrambler 500
- Replaces for the following OEM MPN's: 3087172,3089966,3085371
- Compatible Vehicle: Side x Side
NICHE PISTON
An ATV piston is a component of engines, pumps, and gas compressors. It is located in a cylinder and is made gas-tight by piston rings. In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft through a piston rod and or connecting rod
Piston Anatomy
A piston is a cylindrical engine component that slides back and forth in the cylinder bore by forces produced during the combustion process. The piston acts as a movable end of the combustion chamber. The stationary end of the combustion chamber is the cylinder head.
Piston Components
ATV Piston components include the piston head, piston pin bore, piston pin, skirt, ring grooves, ring lands, and piston rings. The piston head is the top surface of the piston which is subjected to tremendous forces and heat during normal engine operation
NICHE GASKET
A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression.
Some Types of Gaskets:
Head gaskets create a seal between the engine block and cylinder head. This seal establishes a proper compression and prevents fluid leaks into the cylinders
Base gaskets create a seal between the top-end of your engine and the engine cases. Stop pesky engine oil leaks before they cause permanent damage to your engine.
The valve cover is sealed to the upper section of the engine cylinder head by a valve cover gasket. As it passes around the camshafts, rockers, and valves, the gasket stops engine oil from seeping out.
Patcroy
Reviewed in Canada on March 25, 2024
Gaskets are ok, Piston has shorter skirts, is 0.020 smaller dia and saw for all the rings. Piston pin fits loosely so basically nothing is spec. JUNK!
julio
Reviewed in Canada on October 5, 2024
Everything fits perfect so far had the quad out and haven't had any problems
Gregory Wierzba
Reviewed in the United States on May 3, 2023
Hasn’t blown up yet
Harry
Reviewed in Canada on October 25, 2022
Seems to be good for the money did make sure ring gaps were good and cleaned up sharp edges on piston from casting. Did use factory Polaris head gasket as the one in the kit is just to cheap and flimsy.
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