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How do I remove a stuck valve cover?

Motor Vehicle Maintenance & Repair Asked on November 28, 2020

On my 1994 Suzuki Katana 600, it is way overdue for valve adjustment. Unfortunately I’m unable to get the valve cover off. I have what appear to be all the bolts removed (there’s 14 of them across 3 different types, plus 4 more for the oil cooler lines). I suspect it’s just stuck in place from old age. I’ve been tapping around the edges with a rubber mallet, but no luck. I’m afraid I’m going to need a more aggressive method…

One Answer

The parts diagram shows 14 fasteners. Qty. 8, 2, and 4 of #5, #6, and #8 respsectively.

After that you should be able to separate the cover from the cylinder head. If it won't come off with gentle tapping, try prying with a paint scraper or similar thin bladed tool. You'll want to be careful not to scratch the surface of the cylinder head. If you have a plastic scraper, that would be better to start with since the plastic will not scratch the Aluminum of the head and cover.

Katana 600 Valve Cover

Correct answer by jwh20 on November 28, 2020

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