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MK1000967
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 Cylinder Piston Gasket Kit Part Number MK1000967
- Includes: NICHE Cylinder Piston Gasket Kit
- Compatible with the following brands: Polaris
- Compatible with the following models: ATP 500,Big-Boss 500,Magnum 425,Magnum 500,Ranger,Ranger 500,Scrambler 500,Sportsman 500,Sportsman 570,Sportsman X2 500,Worker 500,Xplorer 500
- Replaces for the following OEM MPN's: 3086811, 3089256, 3085369, 3085526,3085634, 3087170, 3087221, 3085377, 3085530, 3085635, 3085866, 3087224,3085379, 3085534, 3085371, 3089966,3084851,3085370, 3085074
- Compatible Vehicle: ATV
- Placement on Vehicle: Front
NICHE CYLINDER
- ATV engines come with either one or two cylinders
- Displacements typically measuring between 100cc and 800cc
- It's important to note that safely riding an ATV requires a certain amount of body weight and physical strength
- Disaster can strike, for example, when a young rider uses an overpowered or a larger 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.
George Davis
2025-09-01 17:00:26
Nice parts for my repair everything fit and works good. USPS shipping was terrible. ( getting to be the norm ).
A dad that tries
2025-08-12 14:46:25
My well used started smoking pretty bad.It was nice to find this kit with everything I needed.For such an attractive price there is no reason not to replace a worn piston and cylinder.If they offered a kit with timing chain, camshaft, cylinder head I might have just replaced it all while it is apart.Now if only they had cylinder kits for Suzuki and Kawasaki engines.
Melinda Stephenson
2025-07-28 11:27:12
It was okay except for one gasket was broken.
Anthony and Aleathiea Reid
2025-07-21 12:49:28
How is was packaged still intact.
Joseph King
2025-07-15 13:32:05
Everything went together smooth and got us back in the mud. I was worried about the head gasket not being as thick as the original but I have put a lot of time running the bike since it was installed and no issues.
Bry Bry Grubb
2025-05-05 16:51:40
I run a legitimate atv repair shop.this kit is good quality and a fraction of the cost of oem.have used 3 of these cylinder kits with zero issues.have to remove oem coolant tube and use but easy to do.
Customer
2025-04-18 10:56:31
lost compression my bore and piston was scored up used these parts to repair it so far so good runs like new again
christian
2025-04-15 17:02:58
I had a hiccup with the tensioner that came with my rebuild kit. They were great about getting a replacement out right away.
Customer
2025-03-18 11:29:11
Bike is back up an running thanks to perfect part replacement!!! Thank you!
Crystal Englot
2025-03-10 10:51:10
Bought to overhaul our sons quad, everything went together great and it's working perfectly.
john
2025-02-19 16:59:45
Parts fit well. 3 of the head studs tightened to spec, the fourth one seemed that threads were starting to strip. I quit torquing that stud and left as is. I put 100kms on it and it seems fine so far.
F7 fighter
2025-02-14 14:01:34
Worked perfectly!
Adam
2025-01-01 20:47:58
Great deal everything you need for a top end rebuild
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