What is ESP & PSP?
ESP is offered through Harley-Davidson Financial Services and is not dealer-specific. ESP is includes mechanical breakdown coverage that covers virtually all major parts and systems on your bike. ESP offers coverage for over 1,100 parts (see the H-D ESP contract for specific coverage, exclusions & restrictions, which are subject to change). ESP also offers a future contract guarantee that allows you to extend your contract coverage for up to 5 additional?
Breakdown of Stage I-IV Performance Upgrades
The Stage I Upgrade consists of your hi-flow air cleaner, hi-flow mufflers and the Stage I Download.
The Stage II Upgrade consists of your hi-flow air cleaner, hi-flow mufflers, hi-lift cams and the Stage II Download.
The Stage III Upgrade consists of your hi-flow air cleaner, full exhaust, hi-lift cams, CNC Ported Heads, and race tuner.
The Stage IV Upgrade includes?
Pros & Cons of Performance Upgrades
Power gains increase with increase in Stages (I-IV). Stage I provides minimal power gains while Stage IV provides upwards of 50% more power (65hp stock 96ci to 115hp with 103 Stage IV upgrade). Your fuel mileage will stay relatively close to stock, although being tempted to apply heavy throttle can lead to drastically reduced fuel mileage. Tire consumption will also increase... but burnouts make you feel good, so?
Bigger & Badder Series: Performance Upgrades for Your Harley-Davidson
Power 101: Internal Combustion, Engine Displacement, Exhaust & Tuning
The V-Twin engine in your Harley-Davidson motorcycle is powered by internal combustion. It's when air and fuel (gasoline) combine in the carburetor or throttle body. The gasoline funnels into the cylinders through the intake manifold and a spark ignites the air & fuel mixture as the piston approaches top dead center (TDC). The combustion pushes the piston?