You won't be able to turn it over fast enough by kicking it.SteveTroi said:...Is it safe to say that with the engine on the bench, and when manually cranking the kick starter and watching the valves that you will not see the mechanism move, since RM_guy mentions that the movement is based on engine RPM?...
SteveTroi said:Also, when you mention "prone to fracture", where should I look, will I see a crack or something noticeable on the main valve?
Solid State said:Do a search on DRN and you should see a picture of a broken valve and some descriptions of the failure.
SteveTroi said:1. How was bclapham able to see that his valve was not moving in proper calibration with the the exhaust ports and moving into the flow? Is this done only by twitching shaft back and forth by hand? I just want to confirm once again that there is no real way to see this mechanism move under crank control?
Rotaing the power valve shaft by hand will actuate the valves without the cyclinder installed. You will be able to view the operation and timing of the side valves and main valve this way.
2. As for re-assembly, I guess it's just bolt back together as the shop manual instructs and go? There's no calibration required, correct?
I found that the stock calibration was lacking as the side valves did not open simultaneously with each other as I assume the designer intended. I was able to 'time' the valves by tightening the set screws for the linkage at slightly different locations on the shaft. When I was done, both side valves openened simultaneously and at the oppropriate position in relation to the main valve. Can't really explain in any additional detail. You'll have to play with it during reassembly to see what I mean. Maybe by then you'll just be satisfied that it's all back together and not care too much about fine calibration.
Good luck.
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