Performance STAGEs for Harley Davidson
Cycletune is Portland’s center for Stage upgrades
What are Harley Stages?
Stage Kits take performance to the next level with increased acceleration and improved passing power. Combining upgrades in air intake expansion and exhaust replacement with engine parameters, the maximum potential of your Harley can be achieved.
What do I get with Stage upgrades?
Simply put, more power and torque. each subsequent stage unlocks more performance:
How is this done?
Removes system restrictions and improves power output by adding air flow
Upgraded camshafts, larger bore cylinders and pistons, and bigger throttle bodies
Each stage dramatically improves Harley horsepower and torque
Why Cycletune?
We are located in the heart of Southeast Portland, just off Powell and Ross Island
We have the latest and most advanced equipment and training
We are Portland’s motorcycle performance and service experts, and can help you with all aspects of your ride
Stage Details:
STAGE 1
More air, new exhaust, tuned for more power
Ideal for riders that want to enhance the performance, look & sound of their motorcycle.
The Basics
New air filter, slip-on exhaust and dynotune.
Most cost-effective step to improve performance and the foundation for future performance upgrades black.
Match any high-flow air cleaner and exhaust, along with the proper ECM calibration to increase the air flow into and out of the engine.
The Performance
The rider will feel up to a 10% increase in performance throughout the entire RPM range.
STAGE 2
Stage 1 + Upgrade camshafts for torque or performance
Ideal for riders who want to feel more power and torque all the way to the redline.
The Basics
A camshaft upgrade that increases both the lift in the valve train (pushing the valve open further) and the duration of the valve opening (how long the valve stays open).
The Performance
Experience crisp throttle response and acceleration that can be felt at slower speeds, perfect for passing slow-moving vehicles without downshifting.
The rider will feel up to a 25% increase in performance.
STAGE 3
Stage II + Big-Bore cylinders and high compression pistons
Ideal for riders who want the largest engine displacement and increased power throughout the entire RPM range.
The Basics
An increase in engine displacement allows the engine to swallow more air and fuel, a higher compression piston squeezes the air and fuel into a more volatile mixture and when combined, generates more power when ignited.
Displacement increases are accomplished with larger cylinders, matching pistons, and the proper cam upgrade.
The Performance
Riders will experience a performance increase throughout the entire RPM range, with up to a 35% increase in the mid- to upper- RPM range.
Produces instant passing power without downshifting.
STAGE 4
Stage III + upgraded Cylinder Heads & Throttle Body
Ideal for riders who want the absolute best performance upgrade available.
The Basics
Highest level performance upgrade available to provide a maximum increase in displacement, compression, and flow.
Higher-flowing CNC ported cylinder heads and larger bore throttle body increase the velocity and feed large volumes of air and fuel into the engine, which maximizes power on a larger displacement engine.
The Performance
The rider will feel exceptional acceleration, delivering significant gains and up to a 50% increase in the higher RPM range.