Stage Two Engine Basic

The Stage Two Basic engine represents a more extensive approach to improve engine performance with bolt-on components and a bolt-in camshaft. Most people can perform these modifications themselves. Modifications over stock engine are underlined in the list below. The estimated cost for these modifications ranges from $700 to $1000. The performance return for these changes can be large for the dollars spent. Increases up to 30 HP and 20 Ft.Lbs of torque can be seen on some bikes.

This particular engine combination uses 3 very popular components: The Andrews EV-27 cam, a Crane HI-4E ignition module and a Thunderheader.

Year: 1997 FXDWG
Model: EVO
Bore: Stock
Stroke: Stock
Displacement: 1340cc
Cases: H-D
Assembly: Don Anderson
Ignition: Stock H-D
Crankshaft and Flywheel: H-D
Heads: H-D
Intake Valves: Stock Diameter
Exhaust Valves: Stock Diameter
Valve Springs: H-D
Porting: None
Compression Ratio: 8.5:1
Pistons: H-D
Cam: Andrews EV-27
Pushrods: H-D Stock
Carb: Stock CV w/Yost Power Tube Kit
Carb Jetting Information: 170 main jet 45 slow jet
Manifold: Stock
Air Cleaner: Screamin Eagle K&N filter element
Ignition: Crane HI-4E
Ignition Timing:
Coil: Crane Single Fire
Pipes: Thunderheader
Dyno Tuning Facilities:  R&R Cycles, Manchester, NH