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#1
01-13-2023, 04:37 PM
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Starting rebuild on the 1450 K321
Well I started the process of getting the motor rebuilt on my 1450 Cub
Kohler K321AQS-60291d, SN 7541500 1450 SN is 626963 The engine is at the shop here in Western PA getting checked out for machining. In the meantime I have a bunch of questions I hope the members can help me with. First one being the ignition coil, The one on the motor is a Bosch (0 221 119 009) and I think it may not be the correct one. Even if it was when installed, based on my checks today, its weak. Only get 1.7 Ohms + to - terminal + terminal to tower looks ok at 8970 Ohms no Ohms (infinity) from case ground to any terminals. The motor ran with this one before I pulled it but wanted to replace it as part of the rebuild. Any suggestions for a good aftermarket coil? And where to find one? The Kohler coil from Cub dealer is $130 FYI - already did the engine cradle modification and replaced the rubber motor mounts prior, and have new Kohler points and condenser to install once back from machine shop. Any other suggestions on what to look for and/or replace are also appreciated. Pictures now posted. 
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#3
05-04-2023, 07:33 PM
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Putting her back together and have question
Well I finally got the K321 back from the machine shop,
Put it back in the tractor and ran it for 15-20 minutes and then retorqued the head bolts after cool down and started putting the Tin back on it and noticed that the spark plug hole is in a different location in the replacement cylinder head the shop put on due to the original being cracked. Noticed because the tin didn' fit correctly. Original head had spark plug located more over the exhaust valve, the replacement head is more centered between the valves. My question is, will this new location make any difference in its performance? I can just open up the clearance hole on the tin. Seemed to run fine during the 15 minute run but did not put any load on it. Wanted to get input from the group before I went any further with it. See pictures
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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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