AMSOIL Motorcycle Filters - Motorcycle Performance Air Filters & Oil Filters

Nanofiber Basics
Because the nanofibers in AMSOIL Ea Motorcycle Air and Oil Filter media are so small, there are more pores per square inch, allowing for higher dirt-holding capacity and lower pressure drop compared to traditional filter medias. Thinner media fibers produce more uniform pore size distribution, improving the filter’s overall ability to capture and retain particles.

Air Filtration Basics
An engine requires air for combustion, but the air drawn in through the induction system is loaded with contaminants. There are over 400 tons of suspended dirt and other contaminants in a cubic mile of air over a typical city. The concentration can be even higher in rural areas where there is frequent travel on unpaved roads. The dirt and contaminants drawn into an engine from the air are the leading causes of engine wear.

The function of the air filter is to trap and hold these wear causing contaminants without restricting air flow. As the filter traps more and more contaminants, air flow becomes restricted, smothering the engine and diminishing performance. The more wear causing contaminants a filtration media traps and holds, while still allowing optimum air flow, the better the filtration media.

The nanofiber technology used in AMSOIL Ea Filters surpasses all other technology in efficiency, capacity and service life. With AMSOIL Ea Air Filters, dust and submicron particles remain on the surface and are trapped in the nanofibers, preventing particles from lodging in the filter media depth. This produces higher efficiency and higher capacity, extending engine and filter life and reducing engine wear.

Ea Motorcycle Air Filters
The filtration media in the Ea Motorcycle Air Filter is pleated and has epoxy-coated wire on the face and back of the media for additional strength and stiffness. High quality plastisol potting compounds bond the pleat packs to the plastic or aluminum side plates. The S&S (aftermarket engine and carburetor manufacturer) style round filters are manufactured with high-quality plastisol that bonds the media to the wire backing and sealing area.

Superior Filtration
The synthetic nanofiber media featured in AMSOIL Ea Motorcycle Air Filters have sub-micron diameters and small inter-fiber spaces, resulting in more contaminants being captured on the surface of the media and lower restriction. Cellulose, wetted gauze and foam filters have larger spaces between the media that cause contaminants to load in the depth of the filter, resulting in airflow path plugging, higher restriction and lower capacity.

Cleanable for Long Service Life
AMSOIL Ea Motorcycle Air Filters are cleanable, providing unsurpassed protection and long service life. AMSOIL Ea Motorcycle Air Filters should be cleaned every year or according to operating conditions. Operation in extremely dusty or dirty environments may require more frequent cleaning. Ea Motorcycle Air Filters should be changed every four years.

Cleaning Instructions
AMSOIL Ea Motorcycle Air Filters are cleaned in the same manner as AMSOIL Ea Air Filters for cars and light trucks: with a vacuum or shop air. To clean with a vacuum, place the filter on a flat surface and carefully vacuum the filter media on the dirty side where the incoming airflow enters the filter.
To clean with shop air, hold the filter with one hand and carefully blow the filter media at a 45-degree angle on the clean side of the filter using low-pressure (15 to 20 psi) shop air. Using too much air pressure will damage the filter media.

Superior Alternative
AMSOIL is producing an initial offering of eight Ea Motorcycle Air Filters manufactured for the most popular Harley Davidson models from the years 1988 to 2006, including motorcycles equipped with S&S carburetors and air cleaner housings.

AMSOIL Motorcycle Air Filters (EaAM) for Harley Davidson Applications
With the exception of S&S (EaAM22 and EaAM23) aftermarket replacement filters, all AMSOIL Harley Davidson Air Filters are designed for OEM fit. At this time, AMSOIL does not offer replacement filters for Harley Davidson Screamin’ Eagle Stage I, II, or III kits that offer part numbers 29442-99A, 29442-99B, 29442-99C, and 29055-89. In addition, the following models have Screamin’ Eagle intake systems installed as an OEM option, but are not available from AMSOIL:

EaAM24 Motorcycle Air Filter
The new EaAM24 Motorcycle Air Filter bridges the gap from American Iron to Metric V-twin cruisers and is designed to fit on Baron Big Air™ aftermarket induction systems. The EaAM24 replaces the K&N E-3333.

2005 FLSTFI 1550 Fat Boy F/I 15th Anniversary
2003-2004 FXSTDSE 1550 Screamin' Eagle Softail Deuce
2005 FLSTFSE Screamin' Eagle Fat Boy
Prior to ordering an AMSOIL EaAM for your Harley Davidson, please check your application to determine if a Screamin’ Eagle kit has
already been installed. If further assistance is required please contact:
AMSOIL Technical Service at 715-392-7101.

Oil Filtration Basics
Clean oil is vital to engine performance and durability. Oil must lubricate, cool and clean the engine as it circulates. In order to remain effective, it must be filtered as it cycles.
The filter is connected to the engine sump, which contains the oil pump. Full-flow filters pass all the oil output from the pump through the filter.
The function of the oil filter is to remove the contaminants introduced into the lubricating oil and prevent them from reaching sensitive engine parts without restricting normal oil flow to the various points requiring lubrication. Internal sources of contamination include wear products from the rubbing surfaces of the engine, blow-by gases leaking past the rings of the pistons and degradation of the oil itself. A filter must perform well in the areas of efficiency, capacity, flow and life.

Superior Filtration
The unique construction and full-synthetic media of AMSOIL Ea Motorcycle Oil Filters allow them to provide unmatched performance in motorcycles and other power sports equipment. EaOM Filters last longer, stop smaller dirt particles and offer less restriction than other filters. Ea Motorcycle Oil Filters provide filtering efficiency of 98.7 percent at 15 microns, outperforming the best cellulose/synthetic blend media on the market.

Superior Alternative, Multiple Applications
AMSOIL Ea Motorcycle Oil Filters provide unsurpassed protection for motorcycles, ATVs, four-stroke personal watercraft, four-stroke snowmobiles and four-stroke outboards. AMSOIL is producing an initial offering of 16 Ea Motorcycle Oil Filters manufactured for the most popular power sports applications. Eight of the 16 filters are chrome plated.

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