maybe my wording was wrong i don,t think honda would be fitting any type that is not safe to use. this is what my one said in the paper work from my engine and boat
outboard remote control models
1 the remote control connected to your to your outboard must be equipped with a start in neutral only protection device. this prevents the engine from starting when the gear shft is actuated in any postition other than neutral
warning
to avoid serious injury or death from a sudden unexpected acceleration when starting your engine . the design of this outboard requires that it must have a start in neutral only protection device
try this link and ask honda uk
http://www.honda.co.uk/marine/