harley twin cam 88 reliability

• 8 avril 2023
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Get everything you need in one package. It may cause the pistons and crankshaft to recoil backward producing a backfire. The Evo engine is a liquid-cooled, rubber-mounted v-twin with two valves per cylinder. The Softail frame was a tighter fitand did not provide room to rubber mount the motor like the Dyna and touring models do, which was considered a necessity due to the larger pistons and increased vibration. It is much more efficient at converting fuel into power than its predecessors; the air cooling system helps keep the internal temperature down which in turn helps with a performance by allowing each cylinder to achieve higher compression ratios and therefore produce more power per unit of displacement. Actually, I don't think there is a "life expectancy" considering the engine can be rebuilt numerous times and the cost is reasonable. I've owned three Harley's and never had any engine (or trans) problems, but none of them have gone over 25K before I bought the next. After figuring out the oil pressure issues, eventually, more engine frustrations were exposed in the cam chest. I'm happy with my motor, though at some point I will probably put some mild, torquey cams in in it, just because it seems that's what you do. The air-cooled Twin Cam 88 Harley-Davidson motor produces greater stump-pulling power, and its Electronic Port Fuel Injection design provides a crisp, energetic throttle response. I've owned three Harley's and never had any engine (or trans) problems, but none of them have gone over 25K before I bought the next. Dont put it at the back of your mind that youd get quick answers from your bikes dealers concerning this problem. So are you only asking about the last few years of TC's? For a better experience, please enable JavaScript in your browser before proceeding. In terms of mechanical technology, the Twin Cams have better braking, sealed wheel bearing, and a better rear shock absorption system. For a better experience, please enable JavaScript in your browser before proceeding. Webharley twin cam 88 reliability. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada.

It employed two cams for driving the drivetrain. Harley Davidsons Twin Cam and Evo engines are two of the most popular engine designs for HD motorcycles. And it accomplished that without jeopardizing Harley-Davidsons signature style. 14 How many miles can you get out of a twin cam 88? But the Evo transmission is displaced from the motor. A friend of mine has 99 wide glide with 175k on it. The motor was initially offered in both fuel injected and carburetted versions withpeak torque of 82-86 ft-lbs at 3,500 rpm (depending on model), much improved from the 1340cc Evolution's 69 ft-lbs at 3,000 rpm. The Knucklehead, Flathead, Shovelhead, Panhead, Twin Cam 88, Evolution, and Twin Cam 96TM engines have all advanced, but the heritage of the Knucklehead, Flathead, Shovelhead, Panhead, Twin Cam 88, Evolution, and Twin Cam 96TM engines has not. Seen & heard of many well over 100,000 miles . True, you cannot make as many cubic inches as readilly as with a TC but you can hit 88-98 inches, for not a lot It also uses dual spark plugs which help increase combustion efficiency and therefore improve power output even further. Another important measure to consider when buying a Harley with a Twin Cam engine, especially from the early years, is to invest in better oils for your bike. In the end, it all comes down to personal preference. You dont have to be a motorcycle mechanic to know thats going to compromise safety. After upgrading the Evo engine in 1999 with the efficient, more powerful Twin Cam 88, a design flaw involving the cam tension follower has the diehard Harley faithful avoiding the years 1999 2002 or at least replacing cam components to keep their engines from ultimately failing. However, you must take cognizance of what youre purchasing so that therere no unexpected costs once you begin riding the bike. 88 cu in (1,450 cc), 95 cu in (1,550 cc), 96 cu in (1,584 cc), 103 cu in (1,690 cc), 110 cu. Seems from what I have read anywhere between 15K and 25K. but in my opinion these bikes will last as long as you take care of them.

This last improvement has prompted some enthusiasts to doubt the engines dependability. It is the purchaser's responsibility to consider the suitability for their application. Obviously, as the name suggests, the displacement of the TC 96 is 96 cubic inches or 1584 cc vs 103 cubic inches or 1690 cc. The Real Twin-Cam Boss for 96 thru 124 ci Minimum 10.5 cr .220 .201. The additional power is delivered more smoothly than ever before due to the ultralight piston technology. On the other hand, if you need higher top-end speed and prefer lighter construction for better acceleration, then the Evo might be the way to go. They provide your Harley Davidson with a secure, competent engine system thats reliable and strong. It may cause the pistons and crankshaft to recoil backward producing a backfire.

The Evo also has an Evocrankshaft, which is lighter than previous models, helping to improve efficiency. I suggest riding examples of what you are considering. How to Test for Bad Gasoline (Symptoms and Fixes), P26B7 Ford Escape Code: Meaning, Symptoms, Causes, and Fixes, Are Car Covers Worth the Money? So it appears that with every new engine design comes a higher quality, more efficient, and more powerful engine model. in. In contrast, the Evo engine requires higher RPMs to get up to speed but produces more horsepower at those higher RPMs resulting in better top-end speed.

Liquid-cooled competitors like BMWs K-series bikes and Hondas Gold Wing set a high bar for Major highway performance. Bowing to ever stricter smog laws, every Twin Cam powered bike for 2007 got electronic fuel injection. If it is an early model, the cam tensioner shoes can wear prematurely. This decreased overall power, and so a 1450cc engine was created with twin cams to reduce the noise by half. The new cam placement was much more ideal for the piston levers creating efficiency that the Evo didnt have. Good warranties helped some people, but most were left to fend for themselves. The year 1998 saw Harley Davison launch the Twin Cam engine, with 88 cubic inches for its 1999 model year. V-Twin Harley Davidson forum. With all the changes in 1999-2000, things were quite at Harley-Davidson for a few years, though in 2001 they switched to a better, Delphi EFI system on the bikes that were injected. Twin cam reliability.

Lastly, it all comes down to your personal preference of style. Additionally, both of these units come with hydraulic lifters and four valves per cylinder; however, there are some slight changes between the two models. The other huge improvement in refinement was a new, more solid mounting of the transmission to the rear of the engine cases. Many users installed aftermarket gear driven replacements to increase timing accuracy. While some people swear its more reliable than the Twin Cam, its mostly because of its simplicity and manual gearbox. Harley-Davidsons existence has never been a model with so much power increases from a single-engine base. Here, some sparks are wasted since the ignition uses a single coil. both engines are reliable and offer excellent performance. There were delays because of problems with oil leaks and scavenging, as well as a battle between the styling and engineering departments over adding an external oil cooler or going with a substantial increase in the fins on the motor. This allows the push rods to be better aligned with the rocker arms. Haven't heard much on the 96" & 103's . The Twin Cam 96 displaces 96.7cuin (1,584cc). Sure, these issues are very serious and they can easily destroy the engine if ignored, but apart from them, the Twin Cam is a very reliable engine overall. Twin Cams came into being during 1999. In all. In September 1998, the Twin Cam 88 was introduced as the companys1999 Twin Camvariant. Development of the Twin Cam started in the early 1990s, as Harley sought to address problems affecting the previous Evolution engine, particularly structural weaknesses within the crankcase, oil circulation and leakages. WebA Harley twin cam 88 is expected to last 20+ years and 150k+ miles. I suggest riding examples of what you are considering. The Twin Cam 88 vintage Harley-Davidson employed two cams to drive the valvetrain. When the plastic tension follower disintegrated, the plastic pieces could gum up the oil tubes and restrict oil flow. When the engines were run, oil came out any gasketed joint as well as the breather. [10] Harley sought the help of Paul Troxler, a young engineer from Southwest Research Institute and eventually the problem was traced to a design which drained the cam case into the crankcase, and used a single scavenge pump. Usually surrounds battery box under the seat. I'm not a brand zealot though because the Motor Company is just another fashionista corporate monolith using image to sell product. That last "feature" would prove to be one of the Twin Cam motor's major failings over the years, as the chain tensioner was not up to the job and need to be inspected every 15,000 miles, or replaced with an upgraded tensioner system or gear driven cams. The Twin Cam 88B engine was a counter-balanced Twin Cam 88 motor that was designed to fit Harley-Davidson Softail models. These are sandwiched between a pair of flywheels. So Evo engines have higher pushrod angles because of having one cam.

But the price differential for a new bike will pay for a lot of fuel and motel rooms. https://www.digitaltrends.com/cars/best-touring-motorcycles/.

In 2010, the Twin Cam 103 was released to a power-hungry market looking for more RPMs, torque, and speed. Also air-cooled. Though 88s have dropped quite a bit. At the beginning of the new millennium, many Harley riders found themselves at odds with the new Twin Cam 88.

Plugs are 12mm (0.47in). It is easy to maintain and has a wide variety of aftermarket parts available, making it a great choice for customizing your motorcycle. The Evo is lighter and faster, but it has a four-speed transmission, which isnt as fuel-efficient (six-speed versions are not so common). Other than a seemingly frivolous lawsuit concerning the heat coming off this engine, most are completely satisfied. I am talking about used bikes in general, you can pick up evos really cheap Reagan and the evo engine saved harley from obsolescence, the riders were fed up with broken down new harleys. Causes & Fixes. As the name suggests, the Evolution engine is an evolution of the original Shovelhead engine. The new counterbalanced engine is so smooth, the transmission has to be revised becausevibrations reduce friction and help the gears slide across each other. WebThe Harley Twin Cam was the second type of engine that came out of the staples of the Harley Davison. The Twin Cams dynasty came to a close in 2016, when the company replaced it with the Milwaukee-Eight multi-valve dual-cooled engine, a whole new topic. Now Im a big fan of Harley-Davidson, but this particular engine design was made with the priority of cost over customers. The engine is just as tough and durable as any other Harley engine, and its definitely built to last. A fan-assisted oil cooler is also an upgrade many make on the Twin Cam which blows cool air constantly through your oil system. The Fora platform includes forum software by XenForo.

The engine of the Twin Cam 88 can produce around 80 horsepower. Haven't had to change a cam tensioner yet. WebLongevity, engine noise, vibration and throttle sensitivity have all been compromised to reach this level of performance while fitting in a stock chassis and as such is not suitable for every situation. Our writers &fact checkers independently research, test, analyze, and recommend the best motorcycle products. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. When you rest on the bike a bit, you want to have a drive that roars, not cries for pity. Restricting the diameter of the inlet, a counter-intuitive solution, solved that problem.[11]. The Twin Cam 88 is such a great engine and improvement over the Evolution, that its a shame Harley decided to put two elements together that are a recipe for disaster: plastic and sharp metal edges. The cam chains on the Twin Cam 88 engine come with plastic shoes. This lower compression ratio helps the Evo engine produce more torque and a smoother ride. There are several flaws in Twin Cam engines. I'm not sure everyone thinks it is a better motor but rather a simpler,easier to work on motor. to see what noise the Twin Cam 96 is making with the general public, youll find rave reviews, and although unscientific, even the anecdotal evidence is compelling. Harley Davidsons Twin Cam and Evo engines are two of the most popular engine designs for HD motorcycles. 13 Frequently Asked Questions of Harley Twin Cam 88 Reliability. The oil tank is below the transmission assembly. Harley Evo vs Twin Cam has been an everlasting battle since it began during the late 90s. Just maintainance work. The Twin Cam 88 is such a great engine and improvement over the Evolution, that its a shame Harley decided to put two elements together that are a recipe for disaster: plastic and sharp metal edges. 15 Is it true that Harley Twin Cam engines are dependable? Our team is made up of industry experts and enthusiasts. Wagoneer Heated Seats Are Turning Off Whats the Cause and How to Fix? "Bathtub" shape.

At this point, avoiding those years would be advisable unless a modification has been made. Maybe just rebuild motor or replace or leave it alone and ride it? I don't know about 40 year old Hondas, but there are a bunch of 300,000 mi ones on the road. The 88 represents the displacement in cubic inches of the standard engine. Launching year & Model of Harley Davidson. The Harley-Davidson big twin was still not a unit design, with crankshaft and transmission sharing cases (like the Sportster), but the primary drive housing and cover were no longer structural, and now only hold the oil and locate the tensioner. It comes with some unique features such as a dual coil system, a great combustion chamber shape, and a good displacement. Currently, they come in 883 cc, 1100 cc, 1200 cc, and 1337 cc versions. The goals were to increase power and reliability,decrease noise and emissions, and retain the traditional layout and look. I did a BB, ported & flowed the heads, TW6hg cams and 10.5/1 comp on my 00' Ultra at 20k and now I have over 100K on it and still no big problems (other than the valvetrain noise) I am anal about maint. Earlier twin cams utilized a timing belt, which rapidly deteriorated and was replaced with a chain. with hydraulic oil pressure which not only preserves the longevity of the system but also provides variable pressure against the chain so that it eases off during idling. Due to airflow through ports in the crankcase wall, the cam case was not draining properly. Benjamin believes that nothing clears the mind faster than flying 26 inches above the asphalt on his Harley-Davison. paul lynde hollywood squares quotes; swiss town with ancient abbey on lake con; what is the difference between protected and unprotected speech You DO need cruise though, brother. That is why we have decided to explain which one is best for you and why. These problems delayed release of the engine as scheduled for the 1997 model year. I have 106,000 miles on my 04 never been opened original cam shoes clutchetc. Don't sweat it..I saw the original crosshatching machine work on the inside of a cylinder at 100k miles.installed new rings and kept going. Harley-Davidson bikes are designed to last for a very long time. Power output is comparable, and none of the electronic drivability wizardry. The twin-cam 88 is a pretty good design that should likely get you a hundred and fifty thousand to two hundred thousand miles with regular maintenance. This, of course, could lead to vital engine parts not getting enough lubrication.

One of the benefits of the Evo engine is that it is relatively easy to work on, thanks to its simple design.

Considering its performance, 2002 has How Much Weight Can Motorcycle Pegs Hold? Twin Cams also have more surface area and spraying system for efficient cooling. Upgrade to the biggest bolt-in performance kit S&S makes for 1999-2017 Harley-Davidson big twins (except 2006 Dyna models and 2017 touring models). Thanks for the responses, guys!

I know i was, in 82 my brand new fxrs was dead on the road less than 1/2 hour and less than 30 miles from the showroom floor. That's good enough most of the time. The Twin Cam 88 was a traditional design from Harley-Davidson, using two cams to drive the valvetrain, with the first being the famous '8-Valve' OHV V-twin racing models of 1915. Webbettys yorkshire curd tart recipe; Profil. Advantage of Evo, is you can pick them up cheap. The twin-cam 88 engine produces about 80 horsepower. WebRevolution Performance Big Bore kits are made to the highest quality control standards with state of the art technologies ensuring you get the performance and reliability you deserve. With a higher speed limit and lighter construction than its twin-cylinder counterpart, this engine style provides both comfort and agility. Overall, the Harley Davidson Twin Cam 88 and 88B engines are outstanding models of efficiency and power. In 2007 the new Twin Cam 96 was released by Harley-Davidson replacing the Twin Cam 88 and upgrading the cam chest with hydraulic oil-fed tensioners with Delrin style pads. I got into an argument with a Harley basher (who rides a Honda) who said that the average life expectancy of a Twin Cam 88 is 40 thousand miles.

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