Got the new shims in the mail today; ordered them from Thunder Valley Powersports and they were good about keeping me up-to-date on where my order was at. With parts in hand I set about correcting my valve clearances. Using my spreadsheet from before, I was able to easily decide which […]
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Went back into the cylinder head and took some measurements. Dirty work, but had to be done. I used metric feeler gauges to find the clearance and a digital micrometer to find the thickness of the current shims. The manual mentions that the shim thickness should be between 0.06mm and […]
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Finally had a chance to button up all the carbs and get the pack rebuilt. My attempts to fix the stripped air mixture screw all went poorly, so ultimately I picked up a replacement off of Ebay and cleaned it up. Things are looking pretty clean and came together quite […]
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Finally got some time to get back to the surprisingly clean carbs from the CB900. I went through the various air and fuel passage ways with some carb cleaner and all the pathways seem pretty clear. Piece by peice I started reconstructing the carbs replacing all original bolts with stainless […]
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Finished tearing down the carbs to prepare them for a cleaning. Found a missing washer (carb 4) on one pilot/air mixture screw and a missing O-ring (carb 1) on another. The missing O-ring likely explains the amount of fuel build up on the number one carb. In addition, the primary […]
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It’s been a while since I’ve done some work on the bikes (winter time projects were in the way). Bringing the CB900C back to the middle of the garage, I fueled her up to see where the project was left off. Engine started after a bit but still running rough. […]
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