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Episode 35 of the Two Enthusiasts Podcast comes to us right after my trip to Los Angeles for the Arai Helmets press launch for the Quantum-X and Signet-X helmets. The show covers these new helmets, as well as what it’s like to ride the Piaggio MP3 500 – a three-wheeled leaning scooter. Spoiler alert, it’s pretty fun.

The conversation about helmets eventually evolves into a discussion about helmet design and construction, how the business side of this part of the industry works, and what the future holds for helmet designs.

There’s a fair bit of debunking going on in this part of the show, with helmets being a subject where conjecture and bad information exist in too large of quantity.

The show ends with a listener question from the folks at Rizoma, who was about air injection for emissions controls. This leads into a pretty lengthy conversation about how motorcycle control the gases they emit, and also how valve timing affects how motorcycle make power and handle emissions.

As always, you can listen to the show via the embedded SoundCloud player, after the jump, or you can find the show on iTunes (please leave a review) or this RSS feed. Be sure to follow us on Facebook and Twitter as well. Enjoy the show!

Your weekly two-wheeled podcast addiction continues with Episode 29 of the Two Enthusiasts Podcast. This installment sees Quentin and I discussing about the recent lawsuit against Skully, which alleges a number of pricey corporate perks, on the helmet startup’s company dime.

We also discuss some racing news: the sacking of Romano Fenati and the prospect of team communications with riders in MotoGP. We also discuss the settlement reached by the EPA and Harley-Davidson, over the use of engine tuning devices, and what that can mean for the industry as a whole.

Lastly, Quentin tells us a tale about getting back on an air-cooled Ducati, and camping in Eastern Oregon, while I give a glimpse into my review of the 2017 Yamaha SCR950, as I was in Julian, California riding the scrambler at the US press launch. It’s another great show for our Two Enthusiasts fans.

As always, you can listen to the show via the embedded SoundCloud player, after the jump, or you can find the show on iTunes (please leave a review) or this RSS feed. Be sure to follow us on Facebook and Twitter as well. Enjoy the show!

The EPA DOJ have just come to a settlement agreement with Harley-Davidson, which sees the American motorcycle manufacturer agreeing to pay a $12 million fine for its Screamin Eagle “super tuner” devices. Also in the agreement, Harley-Davidson agrees to spend $3 million to mitigate air pollution (through a project to replace conventional woodstoves with cleaner-burning stoves in local communities), as well as to stop selling, buy back, or destroy any illegal devices that increase air pollution from the company’s motorcycles. While not quite the Dieselgate scandal that caught Volkswagen circumventing EPA emission standards, Harley-Davidson’s “super tuners” do provide an aftermarket solution for motorcyclists to circumvent the emission devices on their motorcycles.

Filings with the California Air Resources Board (CARB) suggest that BMW Motorrad has two more variations of its retro-styled motorcycle line coming to the USA: the BMW R nineT Pure and the BMW R nineT Racer. These two bikes would join the other two air-cooled models we have already seen from the Germans, the base model BMW R nineT and the recently released BMW R nineT Scrambler, which debuted at EICMA last year. Our friends at Motorcycle.com spotted the CARB filings, and believe one of the machines will be based off the BMW Lac Rose concept – an ADV throw-back to when the Dakar Rally actually raced to Dakar. The other model though, could be anyone’s guess, as BMW hasn’t dropped any other concepts or hints in the past months.

If you have a modified track-only motorcycle, then we have some news to share that you will enjoy, as the Environmental Protection Agency (EPA) has withdrawn proposed language that would have specifically given it the ability to regulate the emissions of production vehicles that were being used at track days or similar events. The proposed rule caused quite a storm in automotive enthusiast circles, as it would have affected racing and recreational uses of products that have been sold under “race use only” provisions for years. Of course, the larger issue at stake here was the continued selling of race parts to street enthusiasts. Still, since it is hard to find a motorcycle on the road these days that hasn’t seen its emissions equipment modified, it doesn’t surprise us to see the backlash coming from the motorcycling community.

We are finally seeing some movement from the American Motorcyclist Association (AMA) in regards to the EPA’s proposed regulations against converting street vehicles for racing purposes and the sale of aftermarket “race use only” parts.

Today, the AMA published a press release detailing much of the same information we brought you yesterday about the Recognizing the Protection of Motorsports Act of 2016 – better known as the RPM Act.

In its press release, the AMA says that it supports the efforts being made in Congress, and that the motorcycle lobbying group is also working with SEMA to keep EPA regulations for vehicles used in competition as they currently stand.

The AMA also says that its focus is to have language in the RPM Act that would specifically exempt competition motorcycles from EPA regulation, a move that would ensure that MotoAmerica and other race series in the US would continue to operate unrestricted.

In case you missed it, the Environmental Protection Agency (EPA) is looking to close a loophole on how the Clean Air Act is applied to race-oriented vehicles. The issue has caused quite a stir in the aftermarket parts business, which is understandable since the EPAs enforcement would likely mean hefty fines for any manufacturer who produces these “race only” parts.While there is some interesting discussion to be had on the matter, the EPA’s actions are certainly troublesome. The federal agency’s reversal on 46 year’s worth of precedent seems a bit disingenuous, and its unilateral “reinterpretation” of the Clean Air Act seems like nothing more than a well-lawyered land-grab. Thankfully, we have Congress on our side.

It looks like Europe’s new Euro4 emissions standard has claimed its first victim (if you don’t count the exhaust pipe on the Ducati 959 Panigale), as neither KTM nor Husqvarna will be producing their 125cc two-stroke enduro models for 2017, and the foreseeable future afterwards.

The move is a euros and cents decision, and a slightly complicated one at that, but it boils down to the fact that making the small-displacement smokers meet the more stringent Euro4 emissions requirements was financially prohibitive.

The EPA is laying claim to emissions regulation on production vehicles, even when they were being used privately for off-highway uses, such as racing. This viewpoint from the EPA would drastically change not only the racing and track-enthusiasts landscape in America, but also the aftermarket sales of performance parts that are sold through the “race only” loophole. As you can imagine, two-wheel and four-wheel enthusiasts were incensed over this revelation from the EPA, and I am sure a number of pitchforks were sharpened in the process. So against my better judgment, I want to put forward to you an idea that I already know that many of you will disagree with out of hand: the unpopular argument that the EPA is right about all this.

Interesting things are afoot with the Environmental Protection Agency (EPA), as the governmental body is seemingly under the impression that it can regulate the modification of racing vehicles that were originally made for on-road use. As such, the EPA is looking to update legal language to solidify that opinion. If granted, this would mean that any production-based racing series, both cars and motorcycles, would be subject to EPA emissions regulations, and as such aftermarket modification to those machines would be greatly reduced. In essence, that sport bike that you take to the race track, whether or not it ever spins a wheel on the road, could be deemed illegal if you modify it from its EPA-certified form, i.e. add an exhaust, intake, etc. Needless to say, this is causing quite the stir.

For the 2016 model year, the MV Agusta Brutale 800 gets an obvious makeover, with changes coming to the tail section, fuel tank, exhaust, taillight, and LED headlight.

What is less obvious though, are the effects of having to be Euro4 emissions compliant, which drop the Brutale 800’s peak power from 125hp to 116hp, though there is an increase in peak torque, from 59 lbs•ft to 61 lbs•ft.