Author Topic: Stihl 066 carb MS660 Carb question  (Read 2905 times)

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Offline jmester

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Re: MS660 Carb question
« on: September 27, 2015, 03:10:56 pm »
The specs for the tillotson hs-320 Venturi 18.26mm and the throttle is 21.41mm and the choke bore is 22.76mm. i had to measure the choke bore as there was nothing listed.
The walbro wj-67/69 and wj 76 all have a venturi of 19.05mm and throttle bore of 21.43mm and a choke bore of 22.19 mm. based on the above chart seem like it should be 23.38 mm.
I need to go buy a nice digital mm/inches digital caliper and re measure to  make sure those number are exact.
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