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#1
08-04-2018, 12:54 PM
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1650 vibrates at low idle
Hello all,
I picked up my first 1650 with the intent to attach my #2 tiller to it. It has a few issues, transmission fluid leak, fuel line leak, bad front tire, but my biggest concern is the very noticeable (almost tooth chipping) vibration at low idle. I understood that this model had rubber mounts vs direct block to engine mounting plate connection. I assumed this would dampen the vibration some. (Previous owner has rebuilt the motor twice in over 10 yrs. Second time, he got sidetracked during an oil change and did not tighten the drain bolt. It vibrated loose while mowing.) My 1811 and 782 idles really smooth compared to this one. I understand the difference between single vs twin cylinders. Even at full throttle it has a vibration, not as severe as at low idle but noticeably more that the twin cylinder tractors. Oh, I know, no pics = it never happened. I will get a tire on it and pull it out of the trailer later in the week. Anyway, all suggestions and recommendations are appreciated. Regards, OKcubfan 
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#3
08-04-2018, 01:33 PM
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Those big 16hp engines shake like crazy. I would check out the rubber mounts and check all the mounting hardware to make sure it's tight.
__________________
Tim Pap's 100 Restored 108 1211 Dual Stick 1050 Pap's 100 restoration thread - http://onlycubcadets.net/forum/showthread.php?t=47965
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#4
08-04-2018, 01:35 PM
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16 hp singles all vibrate , look at the rubber mounts , driveshaft rubber couplers , see if the drive shaft runs true or if it wobbles if it wobbles the bushings at the ends are probably bad . make sure all 4 bolts are in the mounting rails into the oil pan
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#6
08-04-2018, 05:15 PM
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If the engine to cradle bolts are tight, and the rubber mounts on the cradle to frame are in good shape, then it should only shake the fillings out of your teeth.
That single piston is the size of a small block chevy piston, expect it to be a vibrator. A double breasted flathead opposed twin, is about a smooth an engine there is. Trying to compare the two is like comparing a a Harley to a Gold Wing. 
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#7
08-04-2018, 07:47 PM
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These guys know what there talking about, I am just a rookie.
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Up to 530 and counting... I give up updating my profile!
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| 1650, motor vibration |
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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.
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