Dynojet Research PowerCommander PCIII USB - VFR800 (98 to 99) - Not for use in California

This is the new improved version with a USB port instead of a serial port.
The PC is a fuel injection and ignition timing (on some models) adjustment unit that plugs "inline" with the bikes' stock ECU. The PC uses original equipment style connectors so that no splicing or cutting of the harness is required. Most installations take less than 15 minutes, some as little as 5 minutes. Changes are made to the bikes fuel and ignition curves via the PC's onboard microprocessor.

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Using this technology we are able to offer a large area of adjustment without making any permanent changes to the bikes' ECU (electronic control unit). Removing the PC returns the bike to its previous stock condition. The unit also comes complete with software and cable link that allows you to change between different maps or make adjustments to a map file.