<DIV>thank you Bob,</DIV>
<DIV>my engine does not have a vent nipple. it must be vented in a different manner. so, i will drill and tap a port in the rear cover and that should work.<BR><BR><B><I>Bob Kane <getterflash@yahoo.com></I></B> wrote:</DIV>
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">I ran the VP-30 on a Saito 150 setup as follows:<BR><BR>Saito has a crankcase vent, I suspect the OS70 does<BR>also, every non-YS four-stroke I have seen has a<BR>crankcase vent.<BR><BR>Very short piece of fuel tubing from the crank nipple<BR>to a TEE, another short piece from the TEE to the<BR>pump. The other side of the TEE goes to atmosphere and<BR>should be at least 6 inches long. You can't simply<BR>hook the vent to the pump, there has to be a path for<BR>blowby gasses and crud to go. <BR><BR>Tune the carburetor for correct operation without the<BR>pump. Then put the pump inline and tune the pump<BR>pressure so the engine is running correctly again. You<BR>can fine tune the carb once the pump is close.<BR><BR><BR>--- ron donato <RONBON172@YAHOO.COM>wrote:<BR><BR>> o.k.-does anyone know if you can run one of these on<BR>> a four stroke os70 by tapping the back plate, and
if<BR>> so, is there enough pressure to make the pump<BR>> operate?<BR>> <BR>> <BR>> ---------------------------------<BR>> Do you Yahoo!?<BR>> Yahoo! Mail - You care about security. So do we.<BR><BR><BR>=====<BR>Bob Kane<BR>getterflash@yahoo.com<BR><BR><BR><BR>__________________________________ <BR>Do you Yahoo!? <BR>Yahoo! Mail - Find what you need with new enhanced search.<BR>http://info.mail.yahoo.com/mail_250<BR>=================================================<BR>To access the email archives for this list, go to<BR>http://lists.f3a.us/pipermail/nsrca-discussion/<BR>To be removed from this list, go to http://www.nsrca.org/discussionA.htm<BR>and follow the instructions.<BR><BR></BLOCKQUOTE><p>
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