Hi Migraine, The injectors were changed sometime between the WD9 and the 650. I am not an expert but remember a mechanic telling me this. I would not see that as a big concern, because some had head problems with these a lot of heads have been interchanged. A WD9 head will fit on a 650 or vice-versa, so check the head to make sure which you have. These injectors seldom cause trouble and are reasonable to repair. I would guess they have the same air cleaner. Good luck, Chuck
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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