Dan Just curious .. how did you make corrections to the rotary valve position then?
dan hester wrote: > how did you get to true t.d.c. when you put it together?????? and how > did you originally line it up?? you cant trust that mark that is > stamped into the flywheel from the factory i found that stamped mark > to be off as much as 2 degress when using a digital gauge in the > cylinder to get to true tdc. > > >> From: "Olsonspower" <[EMAIL PROTECTED]> >> Reply-To: [email protected] >> To: <[email protected]> >> Subject: Re: [F500] 494 Rotary valve question >> Date: Thu, 1 Mar 2007 09:08:49 -0600 >> >> Ken >> You need to buy a degree wheel from skidoo and a shop manual on how >> to use it> >> >> Greg >> ----- Original Message ----- From: "Kenneth Kirkland" >> <[EMAIL PROTECTED]> >> To: <[email protected]> >> Sent: Wednesday, February 28, 2007 5:24 PM >> Subject: [F500] 494 Rotary valve question >> >> >>> Hello all!! >>> >>> In the course of trying to fire my problem child 494, >>> a rotary valve timing question occurred to me. >>> >>> With the air cleaner off of a carb, throttle wide >>> open, rotating the primary clutch counterclockwise as >>> viewed from the pto end of the crank, and looking >>> through the carb throat with a flashlight, which >>> direction should the piston be moving when the rotary >>> valve is open for a particular cylinder? The little >>> bit of 2-cycle theory I know thinks the piston should >>> be travelling upward to create vacuum to draw the >>> fuel-air mixture in from the carb. It is currently >>> travelling downward. Am I all wet, or does my rotary >>> valve have serious timing issues? >>> >>> Profuse thanks for any and all assistance, >>> Kenneth Kirkland >>> #18 MiDiv / Arkansas Region (77) >>> 1991 KBS Mk. V >>> www.kirklandracing.com [demime 1.01d removed an attachment of type text/x-vcard which had a name of jwhit.vcf] ________________________________ FormulaCar Magazine - A Proud Supporter of Formula 500 The Official Publication of Junior Formula Car Racing Subscribe Today! www.formulacarmag.com or 519-624-2003 _________________________________ _______________________________________________ F500 mailing list - [email protected] To unsubscribe or change options please visit: http://f500.org/mailman/listinfo/f500 *** Please, DO NOT send unsubscribe requests to the mailing list! ***
