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MK1002946
About NICHE
NICHE specializes in the highest quality Powersports replacement parts. Our parts meet or exceed the quality of the original parts that come with your machine. Some of the NICHE product categories include cylinders, brake pads, axles, off-road mirrors, and drive chains. Let NICHE components fix your machine today!
NICHE Compression Cylinder Kit MK1002946
- Includes: NICHE Compression Cylinder Kit
- Compatible with the following brands: Yamaha
- Compatible with the following models: Grizzly 660, Rhino 660
- Replaces for the following OEM MPN's: 5KM-11310-00-00
NICHE Cylinder Head
- A cylinder head is usually located on the top of the engine block
- It serves as a housing for components such as the intake and exhaust valves, springs and lifters and the combustion chamber
- The passages in the cylinder head allow air and fuel to flow inside the cylinder while permitting the exhaust gases to flow out of it
- The cylinder head uses a gasket that aids in preventing water or oil from leaking into the combustion chambers
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 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.
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
Would like to know the piston ring diagram
Reviewed in the United States on February 9, 2024
Head gasket blew in about 30 min
2022
Reviewed in the United States on July 14, 2023
Ordered this kit and have put three head gaskets on it with each having less than 1 hour of run time. Each head gasket blew in the same spot from the head having very poor debur on the coolant channel. Also the piston jug is sitting lower than the face causing the gasket not to seal properly. Have tried to contact seller with no reply. Would not recommend.
gary bennett
Reviewed in the United States on February 14, 2023
Mine Did Not Come With New Dowel Pins,
Reindeer Keeper
Reviewed in the United States on December 4, 2023
I am no stranger to engine assembly. I have lots of experience with high horsepower K series honda motors so I have have some good experience with engine assembly.The 4 wheeler ran great for about 6 months. However, The first time I went to plow snow with it the head gasket blew. I plan on taking the motor apart and checking the head and deck for flat. Im expecting that it a quality / manufacturing issue of the gasket. The surfaces were surprisingly flat before they were assembled. If i were to do it again, i would buy the kit but also purchase a different head gasket.
Dave
Reviewed in the United States on January 28, 2023
The kit worked real good no problems so far on my 660 rhino thanks
Q
Reviewed in Canada on February 20, 2022
The price was excellent and the fitment was perfect on my 2007 rhino 660. Works great I highly recommend this top end kit
MARK PARSONS
Reviewed in the United States on October 29, 2022
Bolted right up got a extra gasket set.( Guess I was lucky) lol started up first crank no issues. Used a 10 minute break in period twice. One the first eve the second one next morning. Runs great no issues.
Lee
Reviewed in the United States on September 23, 2021
Works great. Would buy again. Have over 100 miles on atv.
blacky
Reviewed in the United States on December 30, 2020
This is a nice kit for the price but it does not come with all of the gaskets needed for a top end rebuild
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