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ignition

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As expected, the second recall this month for the Yamaha YZF-R3 has hit the computers of the National Highway Traffic Safety Administration, this time affecting the bike’s ignition switch.

As with the fuel tank bracket recall, the ignition switch recall affects 14,320 units from the 2015 and 2016 model years (bikes manufactured between January 13, 2015 and October 24, 2016.

The following is perhaps one of the more interesting recalls to come across our desk, and it affects the 2014 Harley-Davidson Dyna Low Rider. It seems that if owners install “certain optional performance electronic control module calibrations” the bike’s ignition switch can go from “IGN” to “ACC”, thus causing the motorcycle to shutoff mid-operation.

The reason for this though is because the aftermarket ECU upgrade allows the 2014 Harley-Davidson Dyna Low Rider to rev its motor beyond the stock 5,600 rpm redline, where at 5,800 rpm a resonate frequency with the ignition switch occurs. Held at this frequency, the key can turn to the accessories position — a dangerous, if not fascinating, show of physics.

American Suzuki has recalled 4,969 units of its 2012 Suzuki GSX-R1000 superbikes (FYI, the NHTSA has conflicting data on its recall sheet, which suggests that 2009-2011 models are affected, not 2012 — Ed.). The recall is due to loose bolts on the kickstand, which may cause the stand’s interlock switch to fail. If left unattended the fault on the switch will cause the motor on the Suzuki GSX-R1000 to cutout, which could result in a crash.