The mounting area should not exceed 65°C (125°F) and should be at least 30 cm (1 foot) away from the spark plug to avoid dual frequency inputs. 1. Pull pickup wire through the meter from bottom through the pickup hole. Place the end of the wire into the dead end hole and pull it tight. Secure the two wires together further with a piece of electrical tape. 4. Loosen one of the bolts on the lawnmower's engine or body, and slide the tachometer's ground wire underneath that bolt. 1. Place double-sided tape on the hour meter. Place the hour meter in desired location. Do not mount near heat. 2. Choose the location you wish to mount the hour meter. Drill two holes slightly smaller than the screws supplied. Drill the two holes 44mm apart. Use the plugs supplied to cover the screws. 3. Mounting bracket is sold separately. The seat suspension brass bushings at the front of the suspension are a real good indicator as to how many hrs are on a tractor and/or how fat the operator was. The tie rod ends and center swing arm wear is also another area, as is the rear pivot pin area for the wide front axle wishbone. The special design of the tachometer base allows for a variety of mounting possibilities. Attach the base using screws provided or use pop rivet tool. Maintenance Light Replacement Remove snap plug and replace old bulb with Auto Meter No. 3216 or GE 53 bulb. Lens Cleaning The clear lens on your tachometer is made of acrylic plastic. To the Faria hour meter. If the Faria wire harness is used with the Faria gauge set (or individual gauges), tap off any of the black/yellow wire posts with a wire and connect to the hour meter "+" terminal. Tap off any of the black wire posts with a wi re and connect to the hour meter "-" terminal. Materials required: hold button 3 sec Total Hours Clock 12HR / 24HR Hours RPM Max RPM hold button hold button 3 sec 3 sec = Button Press 1 2 3 4 5 SPARK PLUG WIRE TTO TACH WIRE WIRE WRAP INSTRUCTIONS MAIN SCREENS Press Button: Next main screen. Hold Button: Setup mode or reset. current main screen. Steps for measuring speed using the tachymeter on a chronograph: Know the set distance between two points. As the object passes point one, start the chronograph. When the object passes point two, stop it. Look at where the chronograph seconds hand falls on the minute track. WIRE WRAP INSTRUCTIONS MAIN SCREENS Press Button: Next main screen. Hold Button: Setup mode or reset. current main screen. SETUP MODE Hold Button 3 sec: Wait 3 sec: Wait 3 sec: Press to Increment. Press to decrement. Back to Main Screen. Tie and Wrap Wire around Plug wire 5 times. 010-ELV-157 TTO Tach Hour Manual The Vapor tach can also be connected to the +(?) side of the coil. I'm pretty certain it says the + side but best to be safe and read the instructions first. I have it hooked up to the coil on my Honda XL and pulse is set to 1 but I believe the DR650 has a different spark setup then most singles. The term Wasted Spark (or similar) comes to mind. HOUR METER --- Contains tachometer, hour meter, service timers ;Help you track how many hours you put on your engine.When engine is off, display shows total run time of engine and remains visible. Total hours can reset ; 0.1 hours accuracy Hour Meter -- Help you track how many hours you put on your engine.When engine is off, display shows total run time of engine and remains visible. Total hours can reset ;