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MK1000989
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 MK1000989
- Includes: NICHE Cylinder Piston Gasket Kit
- Compatible with the following brands: Yamaha
- Compatible with the following models: Banshee 350
- Replaces for the following OEM MPN's: 2GU-11311-00-00, 2GU-11321-00-00,2GU-11181-00-00, 2GU-11631-00-94, 2GU-11610-01-00, 4L0-11633-00-00,93450-17129-00, 93310-316D6-00,3GG-11351-02-00
- 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.
Jérémy
Reviewed in Canada on April 11, 2025
Qualité médiocre
brad
Reviewed in Canada on February 3, 2023
Pistons look really good which was suprizing to see. I would run them but I already have Wiseco pistons.The cylinders look great with the exception that I will have to do some light port work just to make everything flow as free as possible and to make sure the rings dont catch any edges.. You should only do porting if you know what you are doing.I would definitely buy this kit again and yes everything was in the box and the gaskets are in perfect shape.Will update the review after I run the bike which won't be for months from now Feb 3rd 2023 is current date.Also the 2 kits I bought for my 2 warrior 350s have been working great for 8 or 9 years now.
JenA
Reviewed in the United States on June 6, 2021
Worked good on my banshee, had a couple hiccups but for how cheap they are that is to be expected
Customer
Reviewed in the United States on March 11, 2020
I ordered two kits and only got pistons and rings for one of the kits if you could help with that that would be great thanks
Kevin l ernst
Reviewed in Canada on February 14, 2020
Never got piston kits in box and can't seem to get ahold of them not happy at all
Ronald suggs
Reviewed in the United States on January 2, 2020
Only came with one piston and drain plug on the right cylinder Jug was stripped out and head gasket was bent in half
jonathan
Reviewed in Canada on March 21, 2019
J'ai installé ce kit au début de l'été pour sauver mon été et j'ai fait mon été au complet à brasser la machine en masse. À l'installation, j'avais 110lbs de compression et à la fin de l'automne j'étais rendu à 95lbs. À ce prix, pour sauver son été, c'est vraiment parfait mais si c'est à long terme, je me conseillerais pas ce kit. Pour le prix, ca fait la job en masse.
Antoinette
Reviewed in Canada on October 4, 2019
Cute
Custom CyclesSomerset
Reviewed in the United States on January 4, 2019
Love it
Chad Augustine
Reviewed in the United States on March 15, 2018
Worked great with no problems
Motiryo Andrews
Reviewed in the United States on October 7, 2018
Perfect fit no problems. definitely a happy customers I will be buying these again. thanks
Customer
Reviewed in the United States on March 9, 2017
This top end kit is decent, but you must chamfer cylinders. Plus i had to hone them beacause bore was tight , ifyou dont have a set of cylinders these will do with the above work at lest checked
BlackMilk69
Reviewed in the United States on November 8, 2017
Yes they were slightly scratched and I had doubts but, they work perfectly fine. I'm a very happy customer and I will purchase again when needed.
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