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Install the washer and you’re good to go.

If you are using the stock motor parts, you can just 
install the stator. 

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Be sure to check for burrs in the motor stator plug hole 
before you slide the plug in.  Put a thin film of Vaseline 
on the plug and the case. Then slide the plug into the 
hole about 1/4” past the motor case. It only needs to 
come through far enough to allow the regulator plug to 
slide on. I usually like to have it pushed through the 
case just far enough so the regulator plug does not quite 
touch the motor case. If you slide it out too far, it will not 
seal and if you’re using a wet primary, you could have a 
leak here. 

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The Spyke rotor has tapped holes already in it so install 
a couple of bolts and carefully lower the rotor onto the 
motor shaft. This part has magnets in it, which create the 
current as it spins around the stator so it will want to pull 
itself down like two heavy-duty magnets coming together. 
If you let it drop, it could crack a magnet. Be careful and 
take your time! 

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Now slide the primary plate into position and bolt it to the transmission. 
Measure the offset thickness between the motor and the plate. It should 
be 1-1/2” if you are using the same parts I did. 

BDL makes the proper offset sprocket shafts and spacers for most standard applications. Just order them 
from your favorite shop and specify BDL. That will ensure everything fits and lines up without any problem.