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General Category >> Rubber Side Down! >> Cam Chain ?
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Message started by eanon on 09/05/08 at 15:55:41

Title: Cam Chain ?
Post by eanon on 09/05/08 at 15:55:41

We all know about the horrors of a loose cam chain, but what about to tight? Is that even possible? A welder buddy of mine did the extra hole mod on the tensioner for me, but reassembly was tight. I mean really tight. The tensioner is all the way in. And still pushing. I think he might have put the second hole a little to far away from the first (made the mod to long). :-?

Title: Re: Cam Chain ?
Post by Oldfeller on 09/05/08 at 16:04:14

Don't wish to be scary, but consider your cam bearings (the ones that are cut raw into the head material) what are they doing under that one sided constant load ....

Title: Re: Cam Chain ?
Post by verslagen1 on 09/05/08 at 23:56:56

what was the offset?

Title: Re: Cam Chain ?
Post by eanon on 09/06/08 at 09:59:13

Don't remember. I'm thinking I'll just pull the tensioner out later today and grind the hole a little. I can measure it then.

Title: Re: Cam Chain ?
Post by verslagen1 on 09/06/08 at 10:09:23

18mm (.708") is the distance I'd recommend.

3/4 is too far, 5/8 is fine

I bet you got 3/4

Title: Re: Cam Chain ?
Post by eanon on 09/06/08 at 16:02:34

I'm looking at 13/16ths. (as close as I can tell). So, yup, I'm too tight. Bike is gonna be down for a few days, (see new thread) so I'll see if I can't get it sorted. Thanks for the info verslagen.

Title: Re: Cam Chain ?
Post by verslagen1 on 09/06/08 at 16:25:49

cut it off and have your welder buddy put another on.

Title: Re: Cam Chain ?
Post by Kropatchek on 09/07/08 at 08:34:12

Initial installation with verslavy or other mods: the tensioner should be 2 klicks ( of the ratched) out.
( from the recommendation of Norbert the German camchain guru) :P