Top 7 Best Air Cleaner For Harley 103 (2021 Review)

Air Cleaner For Harley 103 — Buying Guide

Before you select an air cleaner for your Harley 103, you first need to familiarize yourself with the different types and features that come with it. Then it would be easier for you to choose the optimal one. So, we constructed this short buying guide to inform you about the essentials of an air cleaner.

Brief Engine History of Twin Cam 103 Harley

Harley Davidson twin cam engine is the successor of the Evolution V-twin engine. Developed in the early 1990s the twin-cam engine was first available in the market in 1998. The dual overhead camshaft, one for intake valve, and the other for exhaust valve was the cause for the name “Twin Cam”. It was continued till 2016. Now in 2017, Milwaukee-Eight succeeded the Twin Cam engine. You can find an extended timeline of Harley Davidson engines in this Wikipedia link.

The Harley 103 cubic inch engine is a fairly recent variation of the Twin cam engine. Released in 2010 Electra guide motorcycles and 2012 Softail models the engine generates 100 ft-lbs of torque rated at 3500 rpm. This engine was later produced for all 2012 Dyno, Softail, and Touring models.

The metal fins covering the entire Harley 103 signifies the air cooling system of the engine. This air cooling design lowers the weight of the vehicle and natural airflow is utilized to cool this robust engine.

You can find a more elaborate history in this Harley Twin Cam Wikipedia link and also check out this webpage showing the detailed specification for 2012 Harley-Davidson 103 engines.

What is an Air Purifier?

An air purifier or air cleaner is a vehicle part that prevents debris and dirt from entering the combustion chamber. Every vehicle with a working engine has one in the intake pipe. The filter element in the air cleaner overtime stores the harmful miniature waste and is an important part of an engine.

An internal engine operates by the combustion of the mixture of air and fuel in the cylinder. The oxygen content in the air helps the fuel to combust and generates power. The stock filter in the intake manifold ensures clean air entering the chamber. If harmful debris is present in the cylinder, it may damage and cause wear to the piston, piston rings, and the cylinder walls.

By replacing the stock air filter with an aftermarket performance air cleaner for Harley-Davidson you will not only get a better, more durable filtration system but also confirm more airflow in the combustion chamber. The increased oxygen content will boost up your engine performance. You will be able to hear your Harley 103 roar with greater horsepower.

Types of Air Purifier for Harley

There are various types of air cleaners used in an internal combustion engine. Usually, they differ from the filter material. Known filter materials are paper, foam, cotton, stainless steel, oil bath, water bath. From these types, motorcycles mainly use three types of air cleaners. Foam, Paper, and Cotton air filters.

Foam Air Purifier

The Foam air filters are the oldest of the three. They are washable and reusable. As they are dense and porous material they do a fine job in filtering the intake air. They are still used in dirt bikes for their better filtration ability. But filtration and airflow have an inverse relationship. The airflow is said to be restricted than a stock air cleaner while using a foam air filter. Thus inducing a performance drop. They are uncommon in air cleaner for Harley Davidson.

Paper Air Purifier

Paper air filters are your typical filters for street bikes. Although they can’t be washed, you can just buy another one as they come at a very low price. They are also said to have increased airflow and better at boosting the performance of the motorcycle.

Cotton Air Purifier

The best selection of all three is the cotton air filters. Although they are the most expensive ones they have both better air filtration and increased airflow. The cotton material sucks in more clean air as well as obstructs more harmful debris. They are also washable and reuseable after a certain mileage. These types are the most common in air cleaners for Harley Davidson.

The Main Characteristics You Should Pay Attention to When Buying

In choosing the air cleaner you first have to select which type of air cleaner you want to buy. If you are looking for better purification but no performance boost then a foam air filter is the one you need. If you want some cheap but better performance boost then you may buy a paper air filter. Keep in mind that the paper air filter is not washable. And if you wanna go all out and buy the expensive option, the cotton air filter will boost up the performance and also filters the intake air significantly.

Air filters also come in various sizes. For smaller air cleaners you can keep the stock cover and retain that stock look of your Harley. Usual aftermarket air cleaner has that chrome finish that will surely make your engine look more attractive. The filters generally come in red or black color but they may fade to pink due to debris accumulation.

Also, check if the air filters are washable or not. Reuseable air filters are a great choice in the long run. You don’t have to frequently buy air cleaners. You just have to wash and reinstall it again!