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LAB-125-Harley Voiding Warranties on Milwaukee Eight for Aftermarket Exhaust & EFI Tuners? Fact or Fiction?

November 18, 2016 By Ryan Urlacher 41 Comments

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Harley-Davidson's new eight-valve Big Twin in 107-inch variant.

Podcast-So, you may have heard the vicious rumors going around that Harley-Davidson dealerships are voiding warranties if you install aftermarket exhaust, remove catalytic converters, or install electronic fuel injection (EFI) tuners on your new 2017 model equipped with the Milwaukee-Eight motor. The unreliable motorcycle forums are full of bad information because nobody actually researches the matter. Well, I did that for you and talked to many sources inside Harley-Davidson dealerships.

Some of these rumors got started because recently the Screamin Eagle Super Tuner was banned by the Environmental Protection Agency (EPA) and Harley-Davidson was fined $12 million dollars.

So, nothing is new with the new 2017 Milwaukee-Eight 107 or 114 ci motors in regards to warranties. For years, all Harley owners have been at risk of having a warranty voided for installing aftermarket exhaust, removing catalytic converters, or adding EFI tuners. Clearly, dealerships are not supposed to remove catalytic converters, but it's fine to install new Vance & Hines or other aftermarket head pipes without them? The confusion goes on from there.

The fact of the matter is that you're still at risk and internal Harley-Davidson policies have not changed. But, Harley-Davidson leaves much discretion to its dealerships to handle matters such as this.

So, what does this really mean for you as a Harley-Davidson owner? Make sure you have a very open line of communication with your local dealership service writer and mechanics. Ask them point blank if they are in the business of voiding your motorcycle warranty if you change pipes, intake, or add an EFI tuner.

I can tell you that most will not void your warrant and have not voided warranties for years as it's just bad business all the way around. Especially at these times when Indian and Victory are banging on Harley's doors trying to get a bigger chunk of the market.

If your dealership says they will actually void your Harley warranty for such things then never step foot in that dealership again and tell all your Harley buddies. That would be a personal choice by that particular dealership and I'd make certain they got very little business.

You'll have to listen in to this podcast episode to get the full scoop and find out what other things we learned and other tips we give!

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Article Referenced:

Harley-Davidson to pay $12 million fine over motorcycle emissions

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LAB-121-Milwaukee-Eight Motor | Harley Davidson | Gem or Junk? | A Complete Review & Guide

October 4, 2016 By Ryan Urlacher 14 Comments

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Harley-Davidson Milwaukee-Eight-107 ci (1750 cc) Motor

Podcast-Hang on and make sure your helmet is on as we come at you with a ton of information. That's right, Oscar & I are on the mics discussing everything about the new Harley-Davidson Milwaukee-Eight 107 ci motor! The articles on the internet are hit and miss at best. Oscar & I break it down from a real biker perspective and what it actually means for all of you Bikaholics out there! We have a real biker conversation. Oscar has a ton of knowledge on the specs on this new motor and you'll definitely want to listen in. Then, you can make an educated decision about whether it's worth it for you to upgrade.

New 2017 Harley touring models will be equipped with the Milwaukee-Eight 107 ci (1750 cc) motor. The CVO models will now be equipped with a 114 ci (1870 cc) motor.The eight-valve motor was a complete redesign with new cases, cylinders, heads, and flywheel. This motor is a cooler and quieter motor from Harley-Davidson, which were several of their major goals in the redesign.

Several days after recording this podcast I had the opportunity to spend some time with a crushed ice pearl colored 2017 Harley-Davidson Street Glide Special with the Milwaukee-Eight 107 ci motor. I filmed the bike in detail and went over the specs and information for you. I then did a MotoVlog for you as I took her for a test ride. See the below very popular Harley Milwaukee-Eight videos I put on my YouTube Channel! After listening to this podcast episode and watching those videos you'll be super informed on whether this Milwaukee-Eight motor is for you or not.

Harley-Davidson eliminated the following bikes from their 2017 line up:

Sportster 72
Dyna Switchback
Fatboy Low
Electra Glide Ultra Classic Low
V-Rod productions halt in October 2016

Articles of Interest (Milwaukee-Eight)

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How To Install Harley-Davidson Touring Extended Reach Floorboard Pans For Tall Rider

My YouTube Videos (Milwaukee-Eight)

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Video-Harley-Davidson 2017 Street Glide-Milwaukee Eight 107 CI Motor-Review

September 20, 2016 By Ryan Urlacher 3 Comments

Video-In this completely free video I give you a complete walk-around and explanation of the new 2017 Harley-Davidson touring line up with the new Milwaukee Eight 107 cubic inch motor. I'll tell you all you need to know from a real biker's perspective and what it really means for all of us Bikaholics! I got ahold of a crushed ice pearl colored 2017 Street Glide Special for this video overview. A special thanks to Owen's Cycle Inc in Yakima, WA for their ongoing support of Law Abiding Biker™ Podcast & Media. Don't forget to check out my test ride video of this bike!

Check out my test ride of a 2017 Harley Street Glide Special here!

Information:

The Milwaukee-Eight motor has four valves per head in hemi heads for a hotter, faster, more efficient burn and better spread of heat. Cooler operation is the overall goal. Less combustion heat is picked up by a shallower four-valve combustion chamber, and more heat is dissipated by large-area head cooling fins. It also has dual spark plugs, exposing heads and pistons to flame for a shorter time. There are also anti-knock sensors on the heads, ensuring more precise firing.

Replacing the 103 cubic inch, the Milwaukee-Eight motor comes in a 107 cubic inch (1750 cc) for the regular 2017 Harley touring line-up and a 114 cubic inch (1870 cc) for the CVO models. The oil cooling system has been redesigned and is a much larger. The heads will be oil cooled for bikes like the Street Glide and Road Glide, while bikes like the Ultra Classic will be twin cooled by both water and oil. They place the radiators for the water cooling in the lower fairings attached to the engine guards. Air cooling is still a big part of the overall cooling system.

The eight-valve motor was a complete redesign with new cases, cylinders, heads, and flywheel. Much of the previous twin cam mechanical chatter on this new motor is gone with the new four-lobe single cam design. Noise reduction was a big part of the design of the Milwaukee-Eight motor. It is still a chain driven cam with an auto adjusting hydraulic tensioner. The flywheel has been reweighted to increase inertia by 20 percent. The motor uses hydraulic lifters, removing the need to adjust valves ever again.

There is also a new air intake. Overall airflow capacity of the eight-valve motor is 50 percent greater than that of previous engines, and the throttle body now has a 55mm bore. A free-flowing intake airbox is engineered for low noise and to intrude less into the rider’s leg.

The motor uses dual spray fuel injectors and the oil capacity of this new motor is 4.5 quarts compared to the 4 quarts on the 103 ci motor. In the past, if the oil was overfilled, excess oil could wet the air filter via the breather. This has now been rerouted through the transmission case.

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: This cutaway of one cylinder and head shows intensive cooling of critical areas—the exhaust valve seat and exhaust bridge—by circulating liquid, shown in blue. Note the lovely fin surface finish, lightweight piston with low-tension bore-conforming rings.

: Harley-Davidson Milwaukee-Eight 107 engine.

: The top view of an engine shows stiff tubular rockers, each of which operates two valves. Valve clearance is maintained by hydraulic roller tappets. There is one central spark plug and one side plug per cylinder.

: Cooler operation is the goal. Less combustion heat is picked up by a shallower four-valve combustion chamber, and more heat is dissipated by large-area head cooling fins. Note the dual spark plugs and short exhaust port.

: View of timing case on right side of engine, showing new four-lobe single cam.

: The big new external-rotor 18-pole alternator makes plenty of juice at lower 850-rpm idle.

: Crank in right-hand crankcase reveals gear-driven crank-speed counterbalance shaft.

: View of timing case shows Gerotor oil pump below, inner cam bearing above.

: Harley-Davidson's new eight-valve Big Twin in 107-inch variant.

: Harley-Davidson Milwaukee-Eight 107 main air cleaner.

: Harley-Davidson Milwaukee-Eight 107 engine.

: Harley-Davidson Milwaukee-Eight 107 fins detail.

: Rear shocks have mechanical knob preload, tool-free adjustment.

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There is much less shaking of the Milwaukee-Eight motor. Idle rpm has been cut from 1,000 to 850 rpm in the interest of better sound and less heat. For the first time in a rubber-mounted Big Twin, a single counter-rotating internal balancer is used to cancel 75 percent of the engine’s primary shaking force.

The catalytic converters in the exhaust pipes have been moved back, thus less heat on a riders legs. Exhaust temperatures are 100 degrees less now.

Harley says there is 10% more torque available as soon as you want it. Performance at 0-60 mph is about 2-3 bike lengths faster than the 103 ci motors. Roll on power at 60-80 mph is about 2 bike lengths faster. The transmission was also changed to suit the goal of achieving a wider spread of performance from a noise, comfort, and speed perspective. A hydraulic Brembo clutch, a balancer, an anti- backlash gear (spring loaded first gear), and a slimmer primary increase smoothness and decreases noise. Clutch pull at the lever is 7 percent less.

The new charging system produces 50% more power. The big new external-rotor 18-pole alternator makes plenty of juice at lower 850-rpm idle.

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The Milwaukee-Eight engine produces more power while still maintaining similar or better range per tank, so that points to the Milwaukee Eight’s mpg being the same or better as the Twin Cam’s.

The front suspension is redesigned and is a 49mm fork. They developed a unique solution with Showa to decrease weight over a cartridge system, improve high-speed stability, and low-speed ride quality. Also, no more air adjustable rear shocks on Harley touring models. They will all be equipped with premium rear shocks now. The new emulsion shocks increase ride quality, but also increase preload capacity by 30%, and only need one-handed adjustment.

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Video-Test Ride & Review-2017 Street Glide-Milwaukee-Eight 107 CI Motor | A Biker’s Perspective

September 20, 2016 By Ryan Urlacher 2 Comments

Harley-Davidson's new eight-valve Big Twin in 107-inch variant.

Video-In this completely free video I take you with me on a test ride of a new 2017 Harley-Davidson Street Glide Special with the new Milwaukee-Eight 107 cubic inch motor. I'll tell you all you need to know from a real biker's perspective and what it really means for all of us Bikaholics! I got ahold of a crushed ice pearl colored 2017 Street Glide Special for this test ride and review video. A special thanks to Owen's Cycle Inc in Yakima, WA for their ongoing support of Law Abiding Biker™ Podcast & Media.

Make sure to also check out my original article and video with all the information, specs, and pictures of the new Harley-Davidson Milwaukee-Eight motor.

Check out my walk around overview video of a 2017 Harley Street Glide Special here!

If you appreciate the content we put out and want to make sure it keeps on coming your way then become a Patron too! There are benefits and there is no risk.