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MK1001140
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 MK1001140
- Includes: NICHE Piston Gasket Kit
- Compatible with the following brands: Honda
- Compatible with the following models: XR70R CT70 Trail CRF70F
- Replaces for the following OEM MPN's: 12250-GAN-770,12191-GW8-682
- Compatible Vehicle: Dirt Bike
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.
Dirtbikesontop
Reviewed in the United States on August 27, 2024
I installed it in almost under an hour, the wrist pin did not fit all the way through so I sanded down the crank arm hole where the wrist pin goes to make it fit but the whole installation process was easy except for that one little part! Haven’t ran the bike for more than a few seconds because a leak from the head but that’s from a stripped bolt nothing wrong with the kit so far and it sounded good when I ran it!
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