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Zero Motorcycles is recalling a number of models from its 2015 lineup, all for issues with DC-DC converter, which takes direct current electricity from one voltage and converts it to a different voltage.

According to the recall documents, when under high-power demands the DC-DC converter can suffer from insufficient output, which in-turn can cause the anti-lock brake system (ABS) not to function properly.

Since the failure of the ABS can lead to an increase in the risk of a crash, Zero Motorcycles has issued this recall, and while this recall affects the SR, S, DS, and FX motorcycle lines, only 96 motorcycles are actually being recalled under this notice.













The American International Motorcycle Expo (AIMExpo) was held in Orlando, Florida from October 15th to 18th. It was billed as “the show that changed the powersports industry”; the event included over 560 exhibitors from across the motorcycle world.

Additionally, AIMExpo hosted an outdoor demo area that offered rides on bikes and ATVs from 11 different manufacturers. The question is, with all that it had to offer, did AIMExpo live up to expectations?







If you’re in the market for a electric motorcycle from Zero Motorcycles, now is your chance. The big news is that Zero is dropping the prices on its 2015 bikes by $1,350, across the board.

The price decrease comes in response to the company’s decreased costs on batteries, which in-turn Zero is passing on to its customers.

While all potential customers will benefit from this news, the price cut is going to be perhaps the most helpful for non-US buyers.







Most Zero prices around the world are based off the American MSRP, and with the euro weak against the dollar, European Zero dealers can absorb the changes in the currency exchange.







It’s been a while since we heard from Zero Motorcycles, but the Scotts Valley company continues to build and refine its electric motorcycle offering.

Helping to ensure that the electric motorcycle company continues to build upon its successes, the California Energy Commission (CEC) has issued a grant to Zero Motorcycles, to the tune of $1,009,220.

Zero’s investors will be matching that sum, and invest the combined $2 million in continued research, development, and assembly at the company’s California headquarters in Scotts Valley.













As you may remember from our previous coverage, things are not looking so good for Zero Motorcycles with several recalls in the past year, including  faulty brake caliper mounting bolts that was issued in August, and a faulty firmware recall that caused certain models to shut down while running.

Now, after an incident with an expert rider in Australia in late February, Zero has discovered that when certain motors are pushed to their limits, the motors rotor may contact the stator, causing the engine to lock up thereby causing the rear wheel to lock up.







On the heels of its August 2013 recall for faulty brake caliper mounting bolts, Zero has announced yet another recall for its electric motorcycles, this time one involving  several 2012-2013 models.

In December of last year, Zero Motorcycles released a statement announcing that they intended to recall 667 motorcycles due to faulty firmware that may cause the bike to lose power while running, potentially resulting in a crash.

According to Zero, “the subject motorcycles have a controller firmware that may react to infrequently encountered signal faults.” In layman’s terms, the signal to the motor controller may drift over the course of extended use of the bike, causing the motor to shut down sporadically.













Every year, the electric motorcycle lineup from Zero Motorcycles grows up a little bit more, both in terms of product evolution and in terms of technology advancement.

So it shouldn’t come as a surprise that for 2014 Zero Motorcycles once again has something for enthusiasts: the Zero SR, which builds off the company’s Zero S electric motorcycle, and features 67hp, 106 lbs•ft of torque, and a 102 mph top speed.







It’s been a while since we reported on the eRoadRacing World Cup series, the love child merger of the TTXGP and FIM e-Power electric motorcycle racing series, and that is for good reason.

While Asphalt & Rubber is a big proponent of the electric motorcycle uprising, and there are a lot of interesting things developing in this space (be sure read to our ride reviews of BRD RedShift SM, Mission RS, and MotoCzysz E1pc) the racing side of the equation has been rather lackluster.

So, it doesn’t surprise to hear that the FIM has cancelled the eRoadRacing event at Miller Motorsports Park, which was supposed to happen August 31st & September 1st.







Instead, the North American part of the eRoadRacing series will consist of only two rounds: last month’s Red Bull US Grand Prix at Laguna Seca, and this month’s Red Bull Indianapolis Grand Prix at Indianapolis Motor Speedway.







Zero Motorcycles has announced the release of the company’s iPhone and Android mobile applications for the Zero’s range of electric motorcycles. A handy interface to change the basic performance settings on the motorcycle’s EV components, Zero’s mobile app connects via Bluetooth and allows a rider to adjust the bike’s top speed, torque, and regenerative braking.

The app also allows the rider to get more detailed information about the state of the motorcycle’s charge, operating temperatures, battery volts/amps, and ride statistics. Additionally, a rider can configure the application to show the money saved using electricity instead of gasoline, C02 spared from entering the atmosphere, etc.

With the mobile interface is available on all of Zero’s 2013 models, one of the more interesting features of the mobile application is that it also allows a Zero owner to send diagnostic information back to Zero HQ for analysis and troubleshooting, saving a trip (and presumably a fee) at the dealership. Chewy.













Things aren’t going so well for Zero Motorcycles, as the electric motorcycle manufacturer has submitted a second recall to the NHTSA, this one for the 2012 model line-up. Recalling 254 units because of insufficient weatherproofing, the motorcycles may be subject to an electrical short inside the battery management system (BMS) during wet conditions. A short-circuit could cause the electric motorcycle to cut power, which could potentially cause an accident (the recall notice from the NHTSA says nothing about possibility of electrocution).







Zero Motorcycles has submitted a recall with the NHTSA that includes units from its entire line-up, built for the 2011 & 2012 model years. The issue stems from a faulty brake light switch, which may not illuminate the rear brake light when the front brake lever is pressed without strong force.

The recall affects 450 units of Zero Motorcycles’ on-road units, which includes the following machines: 2011-2012 Zero DS, 2011 Zero MXD, 2011-2012 Zero S, 2012 Zero X, 2011 Zero XD, 2011-2012 Zero XU. Because the brake light may not illuminate while the motorcycles are under braking, Zero Motorcycles will recall the affected units starting around July 16th.