I have a rebuilt crank in my 21 now, but we went right through the motor at the same time, so I can't say what effect just the seals would have made.

What's the motor like once warmed up to normal operating temperature? I've seen a couple of 18's that seem to pump the smoke out when cold, as if the pump over-oils slightly until the solenoid switches. I take it the pump is set correctly?

Some oils can smoke more than others too. I find the Rockoil we use seems to smoke a little less than some of the others.
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Andy.
NSR-WORLD.COM

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