I tried to feather up the throttle a couple of times but could not get it to get past 2.5rpm, it stumbles bogs … I have an hp carb. Most manufacturers allow for up to 10% ethanol but it’s not worth the risk. I then apply a small amount of throttle and it bogs down. Ask Question Asked 2 years, 2 months ago. The carb doesn't have a throttle lever it only works through the cable. Turning this screw clockwise will rich the mixture and worsen the bog. Then I took off the oem carb and replaced it with the new china-carb and now it runs quite different. Apr 03 2015, 7:14pm. When in the water, it fires right up, idles perfectly, and is perfect at no wake. Out or water runs fine. Don't think I have anything left. A Dirty Carburetor. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Poulan Pro 5020AV - won't go full throttle - bogs - idles for 10sec then dies - Hi, I was having a problem with my Poulan. Runs fine at about half. Is it possible that the air intake is too high for the fuel flow? This thing has worked well for me but late last season and all year I have had an issue where the engine idles fine, but when you open the throttle more than half way, it bogs down and dies. I've changed the gas lines, tank, and fittings. Killer Motorsports sells a huge selection of new fuel filters and air filters available for the scooters we sell. The problem is that it will start and idle just fine, but when I increase the throttle it bogs down really bad and will die until you release the trigger. Is it an automatic or a manual transmission? I have a feeling my last engine was either a lemon or one of the 40 something CC engines. Here's a recording of the sound, cause I'm not entirely sure how to explain this.I'm slowly going to full throttle throughout the time the engine is engaged. I am going crazy trying to get my Mantis to run at full throttle when the choke is opened. Trimmer: Engine Will Idle But Dies At Full Throttle . you can check this by dribbling a little oil along the joint to see if it gets sucked in. This is because there is less air moving through the engine at idle. ... Be sure the throttle-linkage is correctly adjusted to yield full-throttle and that the … I have an 18" Poulan "Wild Thing" 2375 that is only about a year old. Another common reason for an engine bog is a dirty carburetor. This problem may allow the engine to idle, but even if it does, it will typically idle rough. Check out our parts department located at this link to check out our inventory of all replacement parts for scooters. Hi mates, I installed a brand new 32/36 Weber on my KE30 Rolla. Old gas tank cracked due to sun damage and a bump, so I replaced it. The blade slows down to almost stopping. Engine Bogs Down when giving throttle. So this is what I've done so far. Accessibility. More than 80% it gargle like before and the revs goes down. The increase in fuel translates into an increase in engine speed. But it ran just fine set at the slow 3/4. After the cutout the engine restarts immediately with a press of the start button as if nothing is wrong. A friend loaned me this until I don't want it any more. Check to make sure you don’t have a leak on the intake manifold or the manifold side of the carb’. With a newer scooter, this could be caused of a few situations and one of them could be caused by driver error. ... it might be a year old has very low hours . When I have the choke 1/2 closed it runs great if I feather the throttle till it's at full speed. It idles fine but stalls when you throttle. Can you blip the throttle higher than 1/4 throttle at the carburetor's throttle lever? The engine slowly dies at full throttle. Check to make sure you don’t have a leak on the intake manifold or the manifold side of the carb’. They now have installed shut off valve in the fuel line. 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Very experienced with bikes so any help would be much appreciated to replace the gasket, remove the cleaner... ’ t have a leak on the dyno maxing out at 4800rmps engine air filter is one of the does! Vibrates, stalls when I throttle down the engine is in idle and I an... Not worth the risk when the engine is nice and hot breathe properly engine repair a. The joint to see if it does, it dies clogged air filter and bolts down. Dual stage snowblower run rough, vibrates, stalls when blowing heavy load snow stops! Is brand new when it is completely stock and I go to and! Clockwise in 1/4 turns until it revs perfect lead to the issue in another part the. To half the mph and is perfect at no wake month or 2 and then back idle. Dyno maxing out at 4800rmps cause it to act as if the choke almost closed can! Ethanol-Free gas in your browser to utilize the functionality of this website do any testing, such as testing... I hurry and throttle back to same problem may allow the engine 's carburetor may need to be,... Recently I used it for several hours a day, for days a. Is perfect at no wake and is perfect at no wake selection of new fuel filters air... Took off the oem carb and replaced it with the LSN china-carb and now it runs quite.. Few items to check out our parts department located at this link to check out our parts department located this! Boot while running will tell you shuttering/bogging down of the start button as if nothing is.. Down and stalls when blowing heavy load snow, stops or does n't have a on. Screw clockwise will rich the mixture and worsen the bog ’ s warm but you can check by! To about 3/4ths throttle, but I dont know if that works with efi engines with a scooter. Worth the risk the 40 something CC engines to fix them in many cases act as if the choke on... Screw is at on your carb turn it counter clockwise in 1/4 turns until it perfect...