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 Anyone seen broken tappets?

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Triman023
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Triman023


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Age : 74

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PostSubject: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 12:37 am

I stopped by the dealer yesterday and talked to their Italian mechanic about info on the swing arm bearing lube job
I am planning to do. We talked about that and then he said "check your valve clearances, look at this" Then he showed me a
cam box with one tappet with the outside all broken off. It looked like the metal was shattered around the edges.There was some slight damage to the cam. He said the bike had 20K miles on it but didn't know why it happened. An ugly thing to see and contemplate where those pieces went to. He didn't say what year it was but the valve covers were the later "Quattro Valvole" style.

Is this something to worry about or a fluke...? affraid
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beetle
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beetle


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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 12:42 am

Flat or roller?


scratch

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Pete Roper
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Pete Roper


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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 6:24 am

This is the $64,000 question.

If it was a flat tappet bike the bloke must of been living under a rock to be surprised. If a roller I want details!

Pete


Last edited by Pete Roper on Mon May 15, 2017 8:11 am; edited 1 time in total
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Pete Roper
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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 7:37 am

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(the owner of that one had to be a complete 'Gloid!)

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Yup! We're familiar with the problem. I'd suggest your bloke get with the programme.

ALL FLAT TAPPET MOTORS ARE GOING TO FAIL!

Pete

PS. That is a small sample of failures. I've done approximately 100 rollerisations now and have pics of the damage on most if not all of them.
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beetle
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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 8:26 am

For that special Guzzista to be surprised to have their tappets eat themselves after they start making a din like copulating combine harvesters, they must have had their head up their arse for the last two years.


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Triman023
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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 5:14 pm

Yup, it was a flattie. Fooled me at first because the tappets looked polished. When he showed me damage to the cam I got it. I have never seen pieces break off the tappet!

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Pete Roper
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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Mon May 15, 2017 9:45 pm

By the time bits are breaking off it would of been making a truly horrendous noise! Anyone who rides a machine to that point deserves no sympathy.

Pete
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Grisonut
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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1Sun May 21, 2017 9:14 pm

I agree with Pete.
On my 09, as soon as I heard a faint ticking sound I parked the bike.
Tear down the next day and sure enough, tappet's coating was breaking down...My very cool dealer at the time, sent me used tappets while waiting for the C kit to come out at the time.
Unfortunately, I wrecked and total the bike shortly after...
The original tappets lasted me 36K miles but there is no escaping failure with the flatties. We ALL know that by now.
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PostSubject: Re: Anyone seen broken tappets?   Anyone seen broken tappets? Icon_minitime1

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