While slowing the motorcycle normally in preparation for stopping at a stop light in heavy traffic and rev-matching the engine normally, the engine stalled requiring evasive action to avoid collision with other vehicles and bring the motorcycle to a safe stop. The engine would not restart immediately and required 3 attempts to restart. This has happened on no less than four occasions. Manufacturer says the motorcycle engine is designed to stall in this manner. The timing and electronic fuel injection (efi) are...
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purposely designed to malfunction and read rev-matching on downshift as over supplying fuel and shutting the engine off to "avoid damage". Note that in every instance of this happening the revolutions per minute (rpms) were between 800 to 1600rpms maximum (well within the maximum of 5200rpms) and there was no real or imagined possibility of damage to the engine. The manufacturer's response is 1. It is the operators responsibility to engage in non-standard operation to ensure the engine does not stall. 2. This stalling malfunction can be corrected by purchasing and having installed an additional aftermarket efi unit and an adjustable idle control vale to correct this problem - clearly admitting their equipment is faulty (and ultimately dangerous) by design. *Tr