RCU Forums - View Single Post - Stihl MS660 big bore conversion.

05-01-2016 | 01:51 PM

#123

Jim.Thompson

Joined: Sep 2015

Posts: 444

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From: Bellingen NSW Australia

I am confused about optional spark plug sizes. I've done an extensive google search to no avail. Can someone tell me what size is the plug in the Stihl?
Apologies for the ignorance.
I need to know this before ordering a new CDI unit.

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