jimgodfrey
Parking Attendant
Posts: 3
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posted January 30, 2013 06:35 PM
07 valver cover cracked any suggestions
I was in the process of doing valve adjustment on my 07 zx14.noticed oil residue all over valve cover.I ordered all new gaskets but upon cleaning valve cover I noticed several cracks in the cover has anyone seen this? looks like stress cracks,also I am in need of a valve cover can anyone help?
  
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BobC
Pro
Posts: 1736
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posted January 31, 2013 07:01 AM
 Edited By: BobC on 31 Jan 2013 15:08
Jim, I wonder if it's been overtightened at some time. There was an issue with leaking from the cylinder head cover on quite a few bikes. The 6mm bolts are a particular length, 18mm, so that they bottom out to prevent overtightening, and the flanged bolts have o'rings, people have used washers underneath the bolt heads as a cure for leaks.
I don't have any magic fix for this. Maybe check that the oil residue you saw wasn't from a badly seated gasket rather than from any cracks in the cover. A new cover is under £200 here (UK) and the gasket is £36. Maybe a price worth paying for an oiltight engine.
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Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles
2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)
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shiphteey
Needs a job
Posts: 2529
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posted January 31, 2013 08:44 AM
ebay
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Gemini Motorcycles
Topping out everything from Ninja 250s to nitrous ZX-14s.
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