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HarleyTechTalk

Technical Forums => Milwaukee-Eight => Topic started by: roadkingdresser on February 16, 2019, 03:40:52 AM

Title: inner cam bearing
Post by: roadkingdresser on February 16, 2019, 03:40:52 AM
friend has a 17 m8 wants to change cam + exhaust. 4000 mi. is it necessary to change the inner bearing or not?
Title: Re: inner cam bearing
Post by: hd06 on February 16, 2019, 03:49:06 AM
  YES, cheap insurance.
Title: Re: inner cam bearing
Post by: 7125 on February 16, 2019, 04:01:26 AM
yes
Title: Re: inner cam bearing
Post by: Ohio HD on February 16, 2019, 08:18:37 AM
I won't state that you have to change the bearing. But it falls into the category as with all HD motors, the OEM bearing is not the best choice based on other bearings that can be used. It's cheap insurance upgrading to a better bearing with twice as many rollers.
Title: Re: inner cam bearing
Post by: roadkingdresser on February 18, 2019, 02:22:45 PM
been gone for a couple days. thanks what would be your recommendation for bearing #.
Title: Re: inner cam bearing
Post by: Ohio HD on February 18, 2019, 04:56:50 PM
B-168 Koyo.
Title: Re: inner cam bearing
Post by: No Cents on February 18, 2019, 05:12:13 PM
Quote from: Ohio HD on February 18, 2019, 04:56:50 PM
B-168 Koyo.

   :up:
Title: Re: inner cam bearing
Post by: hattitude on March 14, 2019, 08:43:18 AM
OP, here is a comparison that was posted on a forum, that I saved for reference. It is comparing the OEM Ina bearings to the better Koyo bearings. They used to be called Torrington bearings. They are now owned by Koyo, so they are now called Koyo bearings or sometimes Koyo-Torrington bearings.

This compares the TC bearings, but as you see, the TC96 & TC103 use the same B-168 bearing, as the M8 engines..

(https://farm2.staticflickr.com/1738/28841805288_04f9bf7a67_h.jpg)
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