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Old 03-04-2008, 09:28 PM
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Join Date: May 2003
Location: Windsor, ON, CANADA
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Default RE: Quadra 52 won't run under 3500 HELP

The Walbro WT-144 was the original carb for the Quadra 50 and 52. It is no longer made, however you can buy one here: (I bought one from here last August). I had similar problems with a very old Quadra 50 last summer. I replaced the carb, all the gaskets, bearings and seals (I knew there was an air leak somewhere, but I couldn't trace it down) so I replaced everything at once (mostly to save time) and that fixed it. I tried a Zama carb but I couldn't get the pulse port to line up perfectly, it was slightly off.