I found myself laughing. In fact, I was laughing a lot. Unlike test riding the ludicrously fast (88mph!) RIVA-tuned GP1800 a few minutes earlier – which is serious business because one misstep at those speeds could result in an unexpected trip to the hospital – the lightly reworked Yamaha EX WaveRunner equipped with RIVA Racing’s … Continue reading EX Machina: RIVA Racing’s 2017 Yamaha EX WaveRunner Stage 1 Kit (Video)