Question about timing camchain - MVAgusta.net
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post #1 of 18 (permalink) Old 05-04-2016, 09:53 AM Thread Starter
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Question about timing camchain

Hi de hi,

We did some maintenance on my 910R. We checked both camchain and adjuster. We attached the camchain to the frame with a hook and then loosened the adjuster. The adjuster was out 5 clicks so we think the chain is still ok as is the adjuster. Then we reassembled all again.

Only now , when the arrow on the timing wheel points to the notch on the engine we see that the marks on the cams are not perfectly matched with the cylinderhead and the rivets on the chain are not at the same height front and rear, but differ only slightly.

When we move them to the exact location than the arrow on the timing disc points slightly further than the notch on the engine, see the picture below. Can anyone tell if this is within the tolerances or has something gone wrong during assembly? It looks like the arrow is 3-4 degrees off but we don't know if this equals one tooth down below.

Would love to hear your opinion
Edith
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post #2 of 18 (permalink) Old 05-04-2016, 10:03 AM
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Ah. Saw your question also on MF. Will ask my mate about his views. He just did a few of those...

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post #3 of 18 (permalink) Old 05-04-2016, 10:10 AM Thread Starter
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Thanks E
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post #4 of 18 (permalink) Old 05-04-2016, 04:05 PM
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I had the same issue on my 1090rr. I presumed it was within tolerance. No issues. No one offers a slotted cam chain sprocket, which would enable the cam to be dialled in perfectly.
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post #5 of 18 (permalink) Old 05-04-2016, 04:35 PM
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Perfectly normal...
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post #6 of 18 (permalink) Old 05-04-2016, 05:14 PM Thread Starter
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Thanks for your replies!
glad to hear, happy again
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post #7 of 18 (permalink) Old 05-04-2016, 05:24 PM
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I reckon your out 1 tooth on the bottom ,marks on cylinder cams must line up ,rivet count must be spot on and TDC MARK must be spot on .took me bloody 2 hours to line it up correctly.anyway good luck .the only way i got it was loosening the cam chain tensioner then rotating the TDC bolt on the bottom ,by memory turning it anticlockwise ,just check that?.then pushing on the cam chain to see where the mark ended up.turn very slowly,you will get it,pain in the arse.

cheers eddy
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post #8 of 18 (permalink) Old 05-04-2016, 05:26 PM
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Oh you will know if it is wrong ,your bike will hunt at idle
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post #9 of 18 (permalink) Old 05-04-2016, 05:53 PM
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G'day Eddy still interested to see the stretch in your old chain versus new chain (when it arrives)

Cheers
Terry
2011 F4
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post #10 of 18 (permalink) Old 05-04-2016, 07:24 PM
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