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Posts Tagged ‘Milwaukee-Eight 114’

H-D 21 Virtual Broadcast

The H-D 21 virtual broadcast was an all digital event to announce new 2021 motorcycles, parts and accessories.

The new model launch yesterday came less than a year after the motor company reported plans to streamline its product portfolio by 30% while overhauling its launch timing (historically every August) and go-to-market practices for maximum impact.

As soon as the media, dealers and consumers logged into the Harley-Davidson online portal, I knew this year’s product launch was going to be … different.

The event opened with a long video montage on the joys of the motorcycling experience.  I watched Jason Mamoa gush about his Harley family, or “Ohana” — you’ll remember him as Aquaman.

As someone who has served time in the trenches creating marketing campaigns, this was the traditional entertainer-as-a-promotional vehicle initiative.  The idealized figure introduced Harley-Davidson CEO Jochen Zeitz who teased the audience with a number of motorcycles and projects that he apparently can’t speak about yet.

Huh?

As the motorcycle launch wore on, with a selection of motor company smooth-talking prognosticators from various departments sharing bits of information about updates to Cruiser, Touring and CVO models, the value of an all-virtual Harley-Davidson product roll-out actually became less clear. The new products, which we usually look forward to, felt less exciting. It’s hard to determine the viability of any product by watching a slick video about it in a browser. The discussions about the Harley-Davidson future of motorcycling felt less like revelatory conversations and more like a TED Talk that I’d scroll past in my Twitter feed.

For me the serendipity of discovery was gone. One of the most exciting parts of a product launch has been finding out about something or learning about something new through pure chance. At a virtual H-D 21, that’s a virtual impossibility.

Street Bob 114

But, I’ve digressed.

Cruiser Updates
Harley stated that the Street Bob 114 is the lightest Softail model to be equipped with the Milwaukee-Eight 114 engine. The legendary Fat Boy receives refreshed styling for 2021, getting brilliant chrome instead of satin chrome on the engine and exhaust, the front end, the rear fender struts and console.

Touring Models
The 2021 Touring lineup includes three baggers that feature the Milwaukee-Eight 114 motor: Road King Special, Road Glide Special and Street Glide Special. The Street Glide Special and Road Glide Special get new two-tone paint options, and a choice of a blacked-out or bright chrome styling treatment – a choice between dark and sinister, or brilliant and more traditional.

Fat Boy

Road King Special and Street Glide Special models get a new brilliant Daymaker LED headlamp. All Harley-Davidson Touring models that are equipped with the colour touchscreen Boom! Box GTS infotainment system that now have Android Auto and Apple CarPlay compatibility. The feature requires a wired connection to a smartphone rather than going through Bluetooth.

CVO Models
Custom Vehicle Operations (CVO) motorcycles are the poster child for Harley-Davidson’s styling and performance. The Milwaukee-Eight 117 V-Twin engine is exclusive to CVO models as standard equipment. For 2021, the CVO Street Glide and CVO Road Glide models receive all-new Harley-Davidson Audio provided through an exclusive partnership with Rockford Fosgate.

CVO Limited

The audio systems, featuring speakers and amplifiers, were designed specifically for Harley-Davidson motorcycles. These components will also be made available through Harley-Davidson Genuine Motor Parts & Accessories for 2014 and newer Touring models equipped with a Boom! Box infotainment unit.

The 2021 CVO models (CVO Street Glide, CVO Road Glide, CVO Limited and CVO Tri Glide) all feature new paint options and styling features. All four CVO models are also equipped with RDRS safety equipment, including Cornering Enhanced Electronic Linked Braking, Cornering Enhanced ABS, Cornering Enhanced Traction Control, Drag-Torque Slip Control, Vehicle Hold Control, and Tire Pressure Monitoring System.

Pan America 1250

Pan America Global Reveal
The upcoming and over exposed Pan America 1250 adventure tourer was previewed in the virtual launch broadcast, but the most important details weren’t provided as it’s official launch is set for February 22nd. Mark your calendar and register for the event HERE.

It will be interesting to compare how this virtual launch broadcast performs in attracting potential motorcycle buyers and if it will drive demand for products or make an emotional connection to the Harley-Davidson brand.

It’s been my experience that: “People don’t buy “what” you do, they buy “why” you do it.”  — Simon Sinek

Photos courtesy of Harley-Davidson

All Rights Reserved © Northwest Harley Blog

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UPDATED: April 24, 2017Added a tab “Engine History” on the blog home page with updated V-Twin engine history including the Milwaukee Eight.

"M-8" top view showing tubular rockers

“M-8” top view showing tubular rockers

It happens every year and often it’s big news.

This year the launch of the Harley-Davidson 2017 motorcycle line-up is anchored by the new Milwaukee-Eight™107 and Milwaukee-Eight™114 power plants.

A couple weeks ago I posted about a new eight-valve Big Twin and now we know the rumors are true.  The displacement of the standard version is 107ci (1,750cc) or in the CVO version it’s 114ci (1,870cc). The 2017 touring models get these engines first and may waterfall down to other models later in the year.  The 107 uses precision oil-cooled cylinder heads and will be in the Street Glides, Road Glides, the Electra Glide Ultra Classic, and Freewheeler trikes.  A Twin-Cooled version with liquid-cooled cylinder heads and radiators will be in the Ultra Limited models, the Road Glide Ultra, and Tri Glide models.  The CVO Limited and CVO Street Glide models will have the Twin-Cooled Milwaukee-Eight 114.

M-8: Four-valve combustion chamber and the dual spark plugs

M-8: Four-valve combustion chamber and the dual spark plugs

You might recall that the last major design evolution of the Twin Cam — and a significant part of the Project RUSHMORE and marketing campaign — was anchored on improving power plant cooling.  This took the form of circulating liquid coolant in tubes around each cylinder head’s hot exhaust valve seat and then to external radiators.  Many riders neglected to notice much in the way of decreased heat from this method of trying to get more power out of the 103.

So let’s talk details of the new eight-valve “M-8”.
ksksksksk

M-8:  Cutaway shows cooling areas of circulating liquid (Blue)

The 107 (3.937 x 4.375-inch bore and stroke) is cooled by pumping oil through it and then through a “chin radiator” ahead of the crankcase. In the 107 and 114 Twin-Cooled models (the 114 has 4.016 x 4.500-inch cylinder dimen­sions), water/antifreeze coolant is circulated through a cored heart-shaped passage that encircles the exhaust valves and then through radiators mounted forward to either side of the engine, as we’ve seen.  The new engine uses a nearly flat chamber of minimum surface area with four valves and abandons the large surface area of the traditional deep, modified hemi two-valve combustion chamber found in the old design.  The new engine operates at high compression ratios (as high as 10.5:1).  As a result, the 2017 Touring motorcycles will provide 10 percent more torque.  Harley states that will translate into two to three bike lengths faster from 0–60 mph, and one to two lengths quicker in top-gear 60–80-mph roll-ons along with improved fuel economy.

Overall airflow capacity of the “M-8” is 50 percent greater versus previous Big Twin engines, and the throttle body now has a 55mm bore.  Each cylinder has an acceleration-type knock sensor along with ECM control which protects the engine from detonation.  The new system is an improvement over the previous ion-sensing knock detection.  The exhaust components, including the catalyst, have been relocated to help move engine heat away from rider and the new engines have a single four-lobe camshaft with automatic hydraulic tensioner in place of the Twin Cam’s pair which will help reduced mechanical noise.

And in a first for the rubber-mounted Big Twin is a single counter-rotating internal balancer.  It’s meant to eliminate 75 percent of the engine’s primary shaking force.  In addition, idle rpm has been cut from 1,000 to 850 rpm all in a effort to give riders improved engine smoothness.  Other engine items of note is a new higher capacity alternator along with a new 1.6 kW (2.14 hp) starter that replaces the previous 1.2 kW (1.6 hp) units.  There is a self-torque-boosting clutch with Brembo hydraulic actuation for a lighter lever pull and the engine ECM has been changed from a mapped system to torque-based which will be interpreted as a call for a specific torque level, not a specific throttle angle.

On the motorcycle side, the front and rear suspension is new.  The new 49mm fork contains “dual bending valve fork technology” and uses cartridge-style variable-orifice damping valves, which Harley claims will deliver improved control at low speed without harshness over sharper bumps.  This wasn’t achievable with the old system of fixed damping.  Touring fork travel is 4.6 inches on standard models and 3.9 inches on low models.

After doing a quick H-D web site scan on the CVO Street Glide and CVO Limited models — it looks like the MSRP price went up $1K from 2016 ($36,799) to 2017 ($37,799).  The same $1K increase is also shown for the CVO Limited ($39,999 to $40,999).

Only you can decide if the new 117 engine, the new suspension along with the radio power adjustment warrants the price increase.

Photos courtesy of H-D.  Engine detail/stats courtesy of Cycle World.

All Rights Reserved (C) Northwest Harley Blog

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