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Tappet oil pipes #768147
03/14/19 11:51 pm
03/14/19 11:51 pm
Joined: Oct 2008
Posts: 5,375
Crossville
DavidP Offline OP

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DavidP  Offline OP

BritBike Forum member

Joined: Oct 2008
Posts: 5,375
Crossville


I know that these were omitted from later engines, and that the factory recommended that they be blanked off when the engine was rebuilt. My '72 parts book says, "Not required on later models."

Does anyone know when the factory stopped putting these in new engines? My engine number starts with KG, September of 1971. If the odometer is correct I doubt that the bottom end has ever been serviced. How likely is it that these tappet feed pipes are still in place?


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V "Wotan"
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Re: Tappet oil pipes [Re: DavidP] #768408
03/18/19 2:28 am
03/18/19 2:28 am
Joined: Oct 2008
Posts: 5,375
Crossville
DavidP Offline OP

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DavidP  Offline OP

BritBike Forum member

Joined: Oct 2008
Posts: 5,375
Crossville
Someone on TOL answered that the service bulletin was issued in October of '71.
I really should de-coke and renew gaskets and PR seals. I'll check to see if the pistons are over size, and trust that the mod was done if they are.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V "Wotan"

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