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MK1001138
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 Standard Bore Piston Gasket Ring Kit MK1001138
- Includes: NICHE Piston Gasket Kit
- Compatible with the following brands: Arctic Cat,Can-Am,Polaris
- Compatible with the following models: Scrambler 90 Predator 90 Sportsman 90
- Replaces for the following OEM MPN's: A13100146000,A12191117000
- Compatible Vehicle: ATV
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.
Bubba J
Reviewed in the United States on September 9, 2020
Worked fine on a 90 Polaris predates no issues so far has good compression now fixed my starting issue
Missend1999
Reviewed in the United States on March 12, 2020
Works great thanks
tyler
Reviewed in the United States on December 31, 2020
For what it is its a good little kit also bought the cylinder to for my sons Chinese quad worked great
Andrew V.
Reviewed in the United States on January 9, 2020
If it were any bigger than a 50cc, id question the quality of the piston but for a small motor, itll work.
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