Stage IV 131 Build on a Road Glide Special (Part 1)

Master Technician Mr. Booth at Harley-Davidson of Indianapolis tears down a Stage 1 (114 CI) Engine as the first Step of our Stage IV 131 Build here at Harley-Davidson of Indianapolis.
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Important Timecodes
Start of tear down: 8:00
Oil Line disassembly: 10:00
Oil Pressure Conversation: 40:30
Rocker Box disassembly: 43:00
Removing Rocker Arms: 1:07:45
Adjustable vs. Stock Push Rods: 1:09:30
Dyno Process: 1:24:00
Removing Heads: 1:39:30
Removing Cylinders: 1:44:45
Piston Comparison: 1:52:30
Tappet Block Removal: 1:54:20
Camshaft Cover Removal: 2:09:00
Cam Compartment Walkthrough: 2:12:00
Camshaft Removal: 2:15:00
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This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. The system-matched combination of larger displacement cylinders, free flowing CNC-Ported cylinder heads and a cam with the highest available valve lift are the starting point to building the perfect engine for the performance junkie. The addition of the large 64mm bore throttle body and high-flow injectors provides great acceleration from first gear through sixth and exceptional response at the twist of the throttle. Designed for a high level of flexibility, this package is ideal for riders who want stump pulling torque throughout the rpm range and also crave plenty of arm-pulling acceleration when you whack the throttle. Kit includes CNC Ported Cylinder Heads with Performance Valve Springs, 64mm Throttle Body, High Flow Injectors (5.5g/s), 4.075" Bolt-On Cylinders, Forged 11:1 High Compression Aluminum Coated Pistons and Rings, SE8-515 Cam, Cam Bearing Upgrade, High Performance Tappets, Multi-layer Coated Head Gaskets and most necessary gaskets and seals.

• Stage IV Kit 114CI to 117CI or 117CI to 117CI - Twin-Cooled
• Black with Highlighted Fins - Matches Original Equipment Non-CVO models
• Increases power by up to 40% when compared to the Original Equipment engine configurations
• Delivers increased response throughout the entire RPM range
• Maintains flat torque curve from cruising RPM to redline
• Can be installed without removing the engine from the chassis
• Retains Original Equipment Factory Warranty
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More on Harley-Davidson of Indianapolis
For forty-two years, Harley-Davidson® of Indianapolis has been a family-owned business. We constantly seek to provide the best sales and service experience possible to our customers and to always "go the extra mile". Here at Harley-Davidson of Indianapolis not only pride ourselves on the work we can do for our customers but also with the community. For every motorcycle sold at HD of Indy, we are working with the Patachou Foundation to provide meals for 10 kids in the Marion and Hamilton County Areas.

Come hang out at Harley-Davidson of Indianapolis. Where we have the most passionate Fit Specialists in the country. Where it doesn't matter if it is a Street, Sportster, Softail, or Touring Model, our Fit Specialists will find the perfect Harley-Davidson Motorcycle for you. Where we have over 70 years of combined service and four Master Technicians servicing your Harley-Davidson Motorcycle. Where we have one of the most extensive Harley-Davidson Collectible and Genuine Harley-Davidson MotorClothes Selection.

Stop by today, we guarantee it will put a smile on your face when you step through the doors here at Harley-Davidson of Indianapolis. HD of Indy, when you are here you are family.