RETROSYNDICATE Engine Sportster 883cc Rubbermounted 2007
EVO: Engine Mechanicals. The Camshafts (4 of them) are used to operate the intake and exhaust valves by means of the lifters (AKA: tappets), the pushrods and the rocker arms. The #2 Cam is driven by the Pinion Gear. The Pinion Gear is mounted on the Pinion Shaft which is part of the Flywheel Assembly. #1 Cam - Rotates CW - Operates Rear.
Cafe Sporty
The EVO motor was a staple in several Harley Davidson models. Here are some popular models that were graced by the legendary EVO engine. Sportster 1200 (1986-1995) The Sportster 1200 was one of the first models to feature the EVO engine. This combination resulted in a bike with a strong, reliable engine and a classic Harley look. Softail Custom.
The History of HarleyDavidson Engines • Thunderbike Customs
The Evolution engine (popularly known as Evo and sometimes as Blockhead ) is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson for the company's motorcycles.
1990's 106 evo sportster 90ci big bore lowerend assembly motor case
By American Rider Staff - November 16, 2022 After much conjecture and speculation, it's finally come true. The last Evolution-powered Sportster model rolled off the production line on October 14, marking the end of an era for air-cooled Sportys, a platform ripe for customization and personalization by enthusiasts from around the world.
100" sportster motor for sale Harley Davidson Forums
The Sportster line dates back to 1957, but huge changes arrived in the 1986 model year, when the Ironhead engine was replaced by the new, alloy, Evolution engine, which ran cooler, quieter, and more reliably, and had hydraulic valves for reduced maintenance. That first year, you could get a Sportster in either 883 cc or 1,100 cc displacements.
1974 XLCH 1000 Harley Davidson Sportster Engine
The old style iron head Sportster would last just a few more years and get replaced by the new Evolution motor version in 1986. The last hurrah for the iron head was the 1983-84 XR1000 street tracker, which mixed equal parts street Sportster and XR750 flat track bike, for a 70 horsepower, 500 lbs, plaything.
RETROSYNDICATE Engine Sportster 1200cc Rubbermounted 2006
The Evolution engine, also known as Evo or Blockhead, is a legendary air-cooled V-twin engine that Harley-Davidson introduced in 1984. This engine design has been a vital part of Harley-Davidson's history and has powered many of their bikes over the decades.
Harley Davidson Evo Engine HarleyDavidson Panhead 1010x1160
Engine and Primary Oil System Modifications. Evo Crankcase Pressure and Engine Breathing. A mixture of crankcase air and oil mist is produced on each piston down stroke. This forced mixture helps to splash lube the moving parts in the engine. It also creates unwanted pressure in the engine. The oil mist is then separated from the crankcase air.
1997 Harley Davidson Sportster 1200 Engine, Sportster Motor Only, 23K
When the Sportster debuted, it closely resembled the K models in appearance, but the K model's 45 cubic-inch engine was replaced with a more powerful 54 cubic-inch, overhead-valve powerplant that was known as the ironhead motor because of the iron cylinder heads that were used.
RETROSYNDICATE Engine Sportster 1200cc Rubbermounted 2006
Unlike most of today's motorcycle engines, the Sportster Evo uses just one cam per each overhead valve, resulting in four independent gear driven camshafts. This setup results in cam lobes that are in-line with each other, resulting in a parallel pushrod configuration.
Sportster Engine, Misc parts Harley Davidson Forums
This scan of a vintage EVO Sportster ad shows the winning formula: A motor, stuffed into a cycle, and nothing else. Now that chassis might not be terribly ADV-friendly, but many inmates owned and loved these bikes, and some even used them for amazing adventure travel fun. Photo: Harley-Davidson
EVO Motor Teardown… Sportster Project Evo motor, Evo, Motor
April 3, 2023 by Barry K. Richmond The Evolution motor of Harley Davidson is one of the best motorcycle engines ever produced. People mostly call it "Evo Motor." Harley Davidson has been using the Evo motor since 1984. They have mainly used the motor for their famous Sportster motorcycles.
And so it begins… again… 1988 Sportster Project Sportster Project
Article by Mark Trotta In the 65-year history of the Harley-Davidson Sportster, there was really only one major design change. That was the aluminum-head Evolution engine, commonly known as the Evo Sportster. This article covers Evo Sportster history from 1986 to 1995.
HD "Evolution" or "Evo" engine that's in the XL (Sportster) mod
Table of Contents EVO: Engine Mechanicals Timing Inspection Hole Sub-Documents Motor Mounts Cylinder Mounting Studs Timing Hole Plug (1986-2003) Primary Compartment Primary Cover Gasket Shifter Shaft Seal Shifter Shaft Bushing Inspection Covers/Caps 1986-1990 Crankshaft Seal Gearcase / Cam Chest Cam Cover Gasket
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(July 2021) The Harley-Davidson Sportster is a line of motorcycles produced continuously since 1957 by Harley-Davidson. Sportster models are designated in Harley-Davidson's product code by beginning with "XL". In 1952, the predecessors to the Sportster, the Model K Sport and Sport Solo motorcycles, were introduced.
RETROSYNDICATE Engine Sportster 1200cc Rubbermounted 2007
Classic American Motorcycles Bigger and Better: 1986 Harley-Davidson XLH1100 Evo Sportster By Motorcycle Classics Staff by Doug Mitchel 1986 Harley-Davidson XLH1100 Evo Sportster Harley-Davidson XLH1100 Evo Sportster Years produced: 1986-1987 Claimed Power: 63hp @ 6,000rpm Top speed: 104mph (period test) Published on Dec 10, 2013