April 5th, 2014, 11:26 AM | #1 |
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Keep your rockers square
Just a word of warning when reassembling valvegear. Make sure all the rockers are nicely hooked over the valve heads with an 'ear' each side. It's hard to see but make the effort.
It is easy to get wrong because if it is off and sitting on the spring plate the clearance is still okay and the bike runs normally. However a few miles on you get an odd knocking and when you open it up you find the edge of the cam has destroyed the rocker surface, Expensive Ninja rocker.jpg Last futzed with by Ninjinsky; April 5th, 2014 at 01:42 PM. |
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April 5th, 2014, 11:31 AM | #2 |
wat
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here's a photo of a nice square rocker:
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April 5th, 2014, 11:33 AM | #3 |
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April 5th, 2014, 02:48 PM | #4 |
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Thanks Alex, job done
Guess I'll need an oil and filter change as well to catch that case hardenned swarf and to the other Alex It has always puzzled me that a pro like Bo Diddley would pose getting ready to strum the wrong side of the bridge |
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April 6th, 2014, 04:45 AM | #5 |
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That's the first time I've seen that happen before, but I'd say that if that's the only thing that happened then you should consider yourself lucky because usually when there is a rocker failure, it is much more catastrophic than that. See my blog below for more info on what usually happens with rocker failures.
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April 6th, 2014, 05:43 AM | #6 |
ninjette.org certified postwhore
Name: Paul
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Yep, I'm lucky, Its only £40 and a week off the road. No broken ears, even after the trauma. I just missed it on reassembly, middle front which is the hardest to see.
As I said the worst of it is that there are no symptoms initially it all seems to run sweet and quiet. So you cane it up to 12k with the grin of a fool on your face little knowing the discrete carnage taking place with every revolution. As well as oil and filter I am thinking in the circumstances a magnetic drain plug. http://www.louis-moto.co.uk/index.ph...nr_gr=10002912 |
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July 29th, 2014, 03:25 AM | #7 |
ninjette.org certified postwhore
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ps Its flushed and running fine and a magnetic plug fitted.
Funny how I only joined in April but I feel like I have been here for years |
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