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Old 10-09-08, 02:58 PM   #11
jambo
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Join Date: Aug 2003
Location: Croydonia
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Default Re: spark plug pics,lean or OK ?

I know almost nothing about tuning a motor for lean / rich running. However, according to a site I've referenced in the past, Mikuni 152s are not a very big step up from Dynojet 140s:
http://roadstarclinic.com/content/view/61/96/

You may need to go further if you were running more than a very little lean.

HTH

Jambo
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