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REAR
ROTARY VALVES
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Rear
Rotary valves work the same as the crank window. You can usually
have the option of running in either direction by simply changing
the location of the crankpin. Be sure you have the boss for
mounting the carburetor in the proper position.
Shown
here is the typical upright and upside down position. Upright
position will perform better.
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You
can also mount the rear cover 90° off to run the engine
in reverse, clockwise. The performance of the inverted position
may not be as good as the upright position.
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Which
Position for the Rear Disc Valve
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following should be self explanatory... Remember this is looking
from crankshaft side of engine. |
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This is the normal
position for a carburetor, on the upper location of the
cover.
To run the engine
in reverse the cover must be rotated 90 degrees. The screw
bosses will not usually align nicely but the screws will
fit.
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| If
you prefer, for whatever reason, the rear rotor cover may
be installed upside down. Be sure to read the warning below. |
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Inverted position
means the carburetor is on the lower part the cover, not
the normal position.
You can run the
back covers in either direction BUT be sure the piston skirt
clears the cover. Please read ... http://www.mecoa.com/faq/whichway/backcover/backcover.htm
This basic information also applies to the rear rotor cover.
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3-3-2018
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The
above information is provided as a guide. Since MECOA/K&B has
no way of determining
the ability of the individual using and understanding this information,
we assume absolutely
NO RESPONSIBILITY for any damage to person or property from the
use of this information.
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©
Model Engine Corporation of America, All rights reserved.
MECOA
and K&B are Registered Trademarks of Model Engine Corp. of
America
Registered U.S. Patent Office
Linking
to this page is permissible, However no part may be reproduced
without written permission from
MECOA K&B Mfg -- 16015 Adelante St -- Irwindale, CA 91702
U.S.A.
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