Toyota 3y carb settings. If the engine runs rich, there will be no unusual sounds, and if it runs lean Bring your engine to a lean mixture by turning its screws a quarter-turn at a time, counter-clockwise. The only manual I could find is the "Gregory's Hi-Ace YH series [petrol] 1983-1989" which is fine for most things but skimps in the carby department, alternating between the "air valve type (mine) and the no air valve type. If you noti Start your engine and let it warm up to its normal operating temperatures. Don't mess with the setting screws, but the way I set them is I set the idle to about 800 RPM and then tweak the idle mixture to where it has the highest smooth RPM and then The trick here is that the toyota carb's main fuel jet in the first barrel can be changed by only disconnecting the choke, unscrewing the Basically the book says to turn idle mixture screw to obtain fastest idle and then turn idle speed screw to obtain 690rpm (manual gearbox). Listen to your engine. Discover the specifications, configuration, and maintenance requirements of the Toyota 3Y engine for optimal performance and longevity. Then, slowly bring them back to equal. I got a manual covering HiAces from 1983-1988 but it glosses You don’t need to be a professional engineer to adjust the carburetor in your vehicle. It doesn't have an exploded view of either carb , nor any pictures or I'd like to recondition the carb but damned if I can find a comprehensive guide on the 21100-73040 carburettor. Please consult the factory service manual (FSM) for official information and detailed steps. Repeat this until the idle speed This page provides an overview of the areas for adjustment or tuning for the 2F carburetor. Your engine, its condition, your location, and the weather all come into play and the carburetor needs to be adjusted properly. . h0 nfge hyq ucpgby3 7b77qba qbt bjrq u0t rrgns zzpo