Honda Foreman....
ESP™ (Electric Shift Program) features push-button upshifting and downshifting. The rider shifts simply and precisely with the press of the upshift or downshift buttons mounted on the left handlebar. An onboard electronic control unit (ECU) monitors information from four sensors—engine rpm, countershaft speed, shift drum position, and shift spindle angle—to control the speed of the shift. Clutch engagement speed varies according to rider style; the transmission shifts more quickly when riding style turns sporty. A neutral lockout at speeds greater than 2 mph ensures available engine braking when descending hills. To ensure smooth shifting, the transmission cannot be shifted from neutral to first gear or reverse gear at engine speeds above 3000 rpm. ESP is not dependent on battery condition, operating whenever the engine is running. Should the rider ever need to shift manually, the Foreman ES is also equipped with an auxiliary shift arm in the tool kit.
Imo...Maybe check those 4 sensors.
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