jad01
New member
I am doing my first valve adjustments on my K75C (currently about 53K miles; I don't know if/when the valves may have been checked/adjusted prior to my ownership) and have a couple of observations and questions:
-This is my first time doing an adjustment on this bike (or any with a shim/bucket arrangement). I'm using both a Climber and Haynes manual to guide me. I have the special BMW tools to do the adjustment and an assortment of shims. I found that the exhaust valves were all tight (0.006 inches relative to the specification of 0.010-0.012 inches). The #3 cylinder intake valve is also slightly tight (0.005 inches relative to the spec of 0.006- 0.008 inches). The #1 and #2 cylinders are at 0.006 inches. I had the shims to get the exhaust valves all to 0.011 inches (I completed those adjustments yesterday), and I think I have the shim to get the #3 intake valve within spec. My question is should I also adjust the #1 & 2 intake valves since they are on the low end of the specification?
- When I pulled the valve cover gasket (rubber seal) off, there was a black film left behind on the head in each corner (see photos). Should I remove it or leave it in place when I put the gasket and cover back on? Is it some sort of silicone adhesive to "locate" the gasket correctly before placing the gasket and cover back on the head?
- Any other advice is welcome before I button this back up...
-This is my first time doing an adjustment on this bike (or any with a shim/bucket arrangement). I'm using both a Climber and Haynes manual to guide me. I have the special BMW tools to do the adjustment and an assortment of shims. I found that the exhaust valves were all tight (0.006 inches relative to the specification of 0.010-0.012 inches). The #3 cylinder intake valve is also slightly tight (0.005 inches relative to the spec of 0.006- 0.008 inches). The #1 and #2 cylinders are at 0.006 inches. I had the shims to get the exhaust valves all to 0.011 inches (I completed those adjustments yesterday), and I think I have the shim to get the #3 intake valve within spec. My question is should I also adjust the #1 & 2 intake valves since they are on the low end of the specification?
- When I pulled the valve cover gasket (rubber seal) off, there was a black film left behind on the head in each corner (see photos). Should I remove it or leave it in place when I put the gasket and cover back on? Is it some sort of silicone adhesive to "locate" the gasket correctly before placing the gasket and cover back on the head?
- Any other advice is welcome before I button this back up...
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