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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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Old 08-17-2009, 06:22 AM
Skele Skele is offline
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Question Power Valve Adjustment

In disassembling my EC200 for a complete rebuild i loosened the locking screw on the "centrifugal mechanism lever" - screw 3 in this image:



How do i set it at the correct position? Should there be any play in the lever when set? I found that if i set it without any pretension on the spring that there is about 2-4mm of play in the powervalve!


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Old 08-17-2009, 07:19 AM
rpduc rpduc is offline
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According to some of the more experienced folks on this site there is no "official" adjustment procedure outlined in any of the service manuals.

The info I got was that there should be a "slight" amount of preload to hold the actuator arm against the stop. Not very scientific but that's all there is far as I can tell. There were some who reported excessive rattle from the powervalve might be corrected by increasing preload there slightly.

Makes sense to me, YMMV.
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Old 08-17-2009, 08:31 AM
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GMP GMP is offline
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Skele,

I came up with and described the procedure rpduc is talking about, do a search.
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