While automotive applications frequently implement cylinder deactivation for MPG improvements, we won't hold our breath for that functionality to be applied to bikes after all, motorcyclists are usually more interested in staying cool than saving fuel. RCC was introduced in 2008, and was actuated by a cable before the 2009 model year, when throttle-by-wire technology was introduced. Once the air-only mix drops the combustion chamber temperature to 275° F, normal operation resumes. After 3-5 seconds remove the first key from the ignition. The Security light may blink indicating it has accepted the key. SNAP ON MODIS ULTRA CYLINDER DEACTIVATION DISABLE REGISTRATIONInsert the first transponder key into ignition lock cylinder for registration DO NOT TURN ON. The security light should illuminate and remain on. Because the aft cylinder tends to run warmer since it doesn't benefit from the airflow that hits the front cylinder, RCC seeks to equalize the difference by shutting off fuel and spark to the back cylinder if the engine idles for more than 3 seconds above 288° F. Briefly insert any key into ignition lock cylinder and remove immediately. Take a look in ODBII and see if there are any 'Pending' codes. How does Harley keep this mill from melting when mercury hits triple digits? One feature engineered into air-cooled Harley engines is a function called Rear Cylinder Cutout. Some misfire counters wont register misfires if they are less than 8 of cylinder firings. Producing 122 lb-ft of torque, this is the most powerful Harley engine to date as such, an oil cooler can only go so in protecting this puppy from soaring temps. Pressure Transducer Adapter - Part EEMS324PSA. The Pressure Transducer Adapter has a LED power indicator, On/Off switch, three color-coded 12 flexible leads with insulated connectors, and requires 9V battery, which is included. From those that have reported failures, the repair was to replace ALL the lifters and in some cases, also replace the camshaft if it got banged on by the collapsed lifter. ![]() ![]() But, this is assuming that the lifter guides are good. Harley-Davidson's air-cooled V-Twin remains a stubbornly anachronistic signature of the American motorcycle manufacturer, and its most potent expression comes in the form of the 110 cubic inch (1,803cc) Screamin' Eagle lump currently found in the CVO lineup. Typical applications include ABS, PS, transmissions, hydraulics, and fuel system tests. In that same page, it says that deactivation should prevent the AFM lifters from failing.
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