Quick tappet question

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Jan 7, 2009
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Just a quick one if somebody could help me out please.

My tappets were already out on my rebuild so I could not record their orientation. I know the importance of the oil groove, but can't remember the way round it goes. The manuals and everyone else states that this groove faces the front of the engine - this can be taken in two ways, so some clarification would be appreciated.

In other words, do the grooves face towards the front wheel or back wheel?

Cheers, Bob
 
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Hi Bob,

The groove should be facing the front wheel, so when oil runs down it to the cam lobes, it's carried "backwards" with the rotation of the cam

Cheers
 
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Thanks for that. This is what I thought, but better to be safe than sorry!

Cheers, Bob
 
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