1981 Harley Davidson Shovelhead FXRS, 80 cubic, s & s carbuerator, electric start & kicker, laced front wheel, solid rear wheel, new belt drive, new 4plug … While the bottom half of the Shovelheads were the same, they were made in two sizes: 75 and 80 cubic inches. Int. [5] After realizing they would need some serious improvement to fix their current situation, they produced some updates in 1978 to the engine that consisted of a larger displacement, and steel struts cast into the pistons to prevent them from expanding from the heat. The motors were first met with controversy due to the Shovelhead's weight and ground clearance. The FL and FLH designations were dropped in 1978. Shovelhead Suzy. All mechanical and cosmetic aspects of the machine will need attention in the restoration process. The engines had only 10 fins for cooling, which caused them to run hot. This thing rips. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, World of Harley Shovelhead Bobber: Chopper and Oldschool Motorcycles, Jakaroo's Shovelhead Alley: (Engine Specs). This would be Harley's motor for the next 18 years until the Panhead yielded to the Evo, or Evolution, engine --- also a Harley signature V-twin configuration. Keep in mind that the FXR platform would debut in 1981 as an '82 model, just months after the company had completed its buyout from AMF. Shovelhead Camshaft Specifications by Duration: Manufacturer Cam Bolt --Intake-- --Exhaust-- ---Duration--- Over Lobe Center ---Lift--- Lift @ TDC ---RPM--- Min Max. Harley Low Rider Shovelhead Specs by Susan Dorling . Belt drive was added to their motorcycles in 1980 to prevent the oil leakage from the enclosed chain, along with a 5-speed transmission and rubber motor mounts to help reduce vibration. Oil leakage and consumption became such a problem with the bikes, many owners reported losing as much as a quart of oil every 500 miles. Andrews Products medium lift [4] With Harley-Davidson trying to fix the engine rather than research and develop, they fell far behind the competition of the cheaper and more reliable Japanese bikes taking control over the market.[3]. Harley Davidson Shovelhead service manuals 1966-1984Factory Service Manual for 1959-1969 FL-FLH. [4] The larger compression ratio on the newer engines was still a serious problem, due to the low fuel quality and octane. 1981 Harley-Davidson Prices, Values and Specs Select any 1981 Harley-Davidson model . It has been expanded to include more history of the Shovelhead years as well as other features to help spread the word of the best HD's on the road. Not only did the management team remove AMF from the letterhead, but also pulled the 74 inch Shovelhead motor from the option sheet. It runs strong and has given me incredible and reliable performance over the years. [1] In 1981, Harley Davidson purchased AMF's share of the company back, adding a new oil pump, improved valve guides, and lowering the compression to help the engines run on the lower quality gasoline in the United States. While the base FL produced 54 bhp, the FLH made a full 60 bhp. Early 80-inch/FLH Shovelheads produced a maximum 66 horsepower at 5,600 rpm. 81-FXWG Wide Glide: 80ci Shovelhead OHV V-twin with four-speed transmission. Early 80-inch/FLH Shovelheads produced a maximum 66 horsepower at 5,600 rpm. His articles have appeared in national publications, including the "Wall Street Journal." Another problem was that oil would pool in the cylinder heads, causing it to leak into the valves and burn oil. The V was arranged front-to-back. 7. Exh. Because of the added weight of the larger engine on motorcycles with the Electra-glide package, the bikes were faster and more powerful at the trade off of being much harder to maneuver. The 1982 MY Harley Davidson FSX 1340 Low Rider is a powerful cruiser from the MoCo that boasts a low seat height, and can accommodate a wider … This 1981 Harley Davidson FLH Shovelhead was completely renovated between 2006 & 2012 by a custom shop in the White Mountains. The MoCo never listed rear wheel power specs . Ultima® Shovelhead engines use a 1992 & later style oil pump as shown in Figure 2. Comes with 3 seats. However, the changes were not enough for the declining quality of American fuel at the time. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. The feed line is mounted in the center of the outer cover of the pump and is pointing up. [1] The engine could still be found in certain models such as the FLH in 1985, but was shortly replaced by the succeeding Evolution engine. $99.00. Welcome to the machine.... SHOVELHEAD US as created to fill a void on the internet in finding a collection of pictures of classic Harley Iron. 1981 FXE 80" Shovelhead engine pulled from a running riding bike. From 1970 to 1984, maximum horsepower dipped slightly to 62, peaking at 5,400 rpm. [1] The engine gained the nickname “Shovelhead” due to the look of the rocker heads having the appearance of an old coal shovel that was flipped upside down, giving the appearance of a shovel. Tags: maximum horsepower, Shovelheads were. Research 1981 Harley-Davidson FLH CLASSIC standard equipment, prices & specs at NADAguides Shovelhead Crankcase: Tire Comparison Size Chart: Fork Tube Info: How to wrench your 74 tranny: More than you want to know about pipes: DIY Spark Plug Thread Repair: Finally a cure for leaking 4 speed tranny: DIY Valve Seat Removal : DIY Valve Guide Removal : DIY Valve Seat Install: Carburetor Info : CV Carb Exploded: Accel Bendix rebuild kit 1 2 The FXR represented Harley's commitment to its future. This gave the new engine an extra 10 horsepower, along with a different appearance. Hidden Virtues of the Shovelhead Motor. Many owners would swap the units for an older point-ignition system for reliability. The engine was produced until 1984, where the Evolution engine, which had aluminum heads and barrels, began to take over on most models. 7. Exh. Grind in? Look at photos. After AMF took control, the merged company started to make attempts at improving the engine with their own funds. Grind in? [3] Towards the end of the Shovelhead's production, Harley-Davidson made numerous modifications in an attempt to keep the engine usable for production. The first redesign came in 1970 and continued forward. Horsepower dipped to 60 in 1978 to 1980 models, climbing to 65 in 1981 through 1984 versions. John Willis founded a publishing company in 1993, co-writing and publishing guidebooks in Portland, OR. Free shipping. 1981: Category: Classic: Rating: 3.1 See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. 1981: Category: Classic: Rating: 3.0 See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. The Shovelheads maintained their original specs and configurations through 1969. 1981 Harley-Davidson Shovelhead Motorcycles For Sale: 2 Motorcycles - Find 1981 Harley-Davidson Shovelhead Motorcycles on Cycle Trader. Has wideglide frontend, tank, and dash. Buying a bike starts at Bikez Get a list of related motorbikes before you buy this Harley-Davidson. Production was quite small, only 784 were built this year. The company has been around since 1903 when it was founded in Milwaukee, Wisconsin. The Shovelhead replaced the Panhead in 1966. The 80-inch, 1,310-cc engine had a bore diameter of 3.498 inches and a stroke of 4.250 inches or 88.85 x 107.95 mm. [1] However, in 1974, the engine started to show many more problems. To bring more models into production, the FX Super Glide was released in 1971 with a "chopper" look that was ultimately an FLH with a Sportster front. Specifications of a Shovelhead 80 Inch Engine. Engine specs..030 bored 8.0 cr cast pistons (stock replacements) motors (’80 &’81) cams having more than .430 lift require valve spring work for correct spring clearance. ... 1981 Harley-Davidson FLT Tour Glide Classic Info This gave the new engine an extra 10 horsepower, along with a different appearance. The V was arranged front-to-back. Shovelheads were twin-cylinder, air-cooled, four-stroke motors. * harley shovelhead specs * harley davidson 1981 fxs oil ... * 1981 HARLEY DAVIDSON 4 SPEED TRANSMISSION REPAIR MANUAL * harley davidson 1981 flh manual * shovelhead repair manual. With a lack of oil and excessive heat, the valves were prone to sticking and destroying the top end. 29 watchers. 1 Aug, 2011. view PDFShovelhead service manual 1978-1984. view PDFShovelhead parts catalog The 1980 MY Harley Davidson FX 1200 Super Glide has, at its heart, an air-cooled, four-stroke, 1207cc, 45° V-Twin engine mated to a five-speed manual transmission that can produce a … Engine and transmission; … 81-XLS Roadster: 1,000cc Sportster OHV V-twin with four-speed transmission. The Harley-Davidson Shovelhead era spanned the years 1966 to 1984. 2014 HARLEY-DAVIDSON Breakout. The cylinders were aligned at 45 ... Engine Size. 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