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So I'm trying to tune up this K12hp engine. One thing I'm trying to get right is the throttle linkage. The spring is pretty darn loose when in idle. Is this normal? I've seem some pictures of this spring being replaced with one that has a long arm part to it. Is this some kind of upgrade that is worth investigating? Also, I'm trying to set the RPM range correctly. According to the manual 3600 is really the max I should have the top end speed set at. I've also read here that 3200 might even be preferred. So after setting this top speed and setting a good idle speed are you getting full range of through on the throttle lever up on the dashboard? When I set the throttle stop lever it seems like I cannot move the lever on the dash all the way to the top (max). Do you folks normally set the max through first with the throttle lever all the way to the top and work your way down using the idle speed screw on the carb to keep the idle from getting to low? I've tried that but then the spring gets really loose that connects the governor to the throttle cable.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.
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