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Old 09-14-2009, 12:36 AM
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cyclepro101 cyclepro101 is offline
Motorized Bicycle Elite Member
Join Date: May 2009
Posts: 129
Default Re: Spark plug photos after 1000kms on Opti-2

I am running at 100:1. I am using the bp6hs plug. I used the b6hs, the only diff being it is not a protruding electrode, and I found that the BP6HS was mush better. It puts the spark down further into the center of the head space. Also the BP6HS is the same as the std Chinese plug. I know all the blokes here use the B6HS (Non protruding electrode) but as I said I did not like those.
And yes I am running a 66cc ZBOX Z80 motor, with a SBP Pipe and an air filter and a 36 tooth sprocket. I dont whip it but it will hit 65km/h WOT. I mainly cruise around at 40km/h.

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