Yamaha SR400 - Original Speedo/Tacho Assembly (B) Original speedo/tacho assembly for the SR400/500 $175.00 Unfortunately this product is currently out of stock. Please contact us for more information. Here's a speedo and tacho assembly in perfect/like new condition, taken off a Yamaha SR400FI. The clocks show no sign of rust or scratches. Only 520km on the clock!