inputs for neutral and clutch are swapped (?)
need to check it and get the right pins to match labels on the board.
#oops

Prototype has completely separate module for keyless ignition. Ideally that functionality would be included on one board or at least on a daughter board.

Board is missing direct power, currently draws power from USB. The working prototype doesn't do that, and we need on board voltage regulator.

Logic is incorrect for kickstand, allowing the bike to be in gear with clutch out and kickstand down.
That condition should disable ignition power.

Should be a simple addition to wake from sleep when switched power goes from 0v to 12v with pin change interrupt.

Under certain conditions, yet to be determined, the kill switch must be on to turn off the keyless ignition. ie ignition enable doesn't go high when expected. When bike is started manually then shut off is one such case, which results in forcing the starter to turn over.

It should be possible to use the BLE Module to bridge the CAN interface to a remote system much like other BLE OBDII adapters. This would eliminate the need for a separate device plugged in and could be used for more than a typical elm327 based device. (ie. raw bi-directional CAN messages)

There is no watchdog enabled to reset the AVR if something goes wrong.

Possible components:
TJA1050 - High speed CAN transceiver
MCP2551 - High speed CAN transceiver
MCP2515 - SPI CAN controller
MCP2515 - SPI IO expander