Cam Follower Question 1956 R50

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Frenia
Posts: 28
Joined: Mon Jul 31, 2017 9:13 pm

Cam Follower Question 1956 R50

Post by Frenia »

Hi,

I'm restoring a 1956 R50 and I have one cam follower with slight burring on the engine side. Would it be ok to buff off the burrs and use? These are quite pricey It came out of the engine smoothly and the sleeve in the engine seems smooth..

Thanks,
D Frenia



Here she is so far

1956 BMW R50

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schrader7032
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Joined: Fri Oct 27, 2006 3:00 am
Location: San Antonio, TX

Can you show the burrs and

Post by schrader7032 »

Can you show the burrs and where they are? One of the more critical locations is the surface of the follower which has been factory hardened. The follower needs to move smoothly in the bore.
Kurt in S.A.
'78 R100/7 '69 R69S '52 R25/2

Frenia
Posts: 28
Joined: Mon Jul 31, 2017 9:13 pm

1956 BMW R50 Here is a

Post by Frenia »

1956 BMW R50

Here is a picture of pitting on the end.. The cylinder is smooth otherwise.

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schrader7032
Posts: 7537
Joined: Fri Oct 27, 2006 3:00 am
Location: San Antonio, TX

Wow, that's pretty bad.

Post by schrader7032 »

Wow, that's pretty bad. That's the side that runs along the camshaft lobes, right? If that's the case, you need new followers. You can't buff that out...as I said, there's a very thin hardened section on the end. Those are pitted bad...it would be interesting to understand why. Likely the wrong type of oil was used.

Here are pictures of the cam followers on my R100/7. I replaced all followers when I saw this.
Attachments
rightcam.jpg
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Kurt in S.A.
'78 R100/7 '69 R69S '52 R25/2

Daves79x
Posts: 453
Joined: Sun Aug 09, 2015 8:13 pm
Location: Knox, PA. USA

Replace!

Post by Daves79x »

Ya gotta bite the bullet on this one. Replace that one and any others that show any pitting. It'll only get worse.

Dave
Dave

weh8127
Posts: 22
Joined: Tue Jan 16, 2018 11:28 am

Some years ago when I was

Post by weh8127 »

Some years ago when I was doing my '63 R60, Cycle Works was selling re-ground lifters at a very reasonable price on exchange for your old ones. I don't see them listed now, but it might be worth a call to Dan to inquire.

Bill Husted
Barre, MA

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