what now?

[RobertWichert]

Interesting failure mode. Robert P. Wichert P.Eng LEED AP +1 916 966 9060 FAX +1 916 966 9068 ===============================================

On 4/29/2011 10:57 PM, Bill Ahrens wrote: > > I just helped a friend fix an ATV. Had the same symptoms. Went home, > looked > at parts fiche, he had assembled the diaphragm / needle in the incorrect > order. Ran fine until the needle stuck in up position. Then like crap. > Check carb assembly. > > Maybe..... > > Bill Ahrens > > Race Chairman Emeritus > > Tucson Sailing Club > > _____ > > From: DSN_KLR650@yahoogroups.com > [mailto:DSN_KLR650@yahoogroups.com > ] On > Behalf Of Kevin > Sent: Friday, April 29, 2011 11:55 AM > To: DSN_KLR650@yahoogroups.com > Subject: [DSN_KLR650] What now? > > I just reassembled the carb on my trusty '95 KLR after installing a new > diaphragm, slider and doing the 22 mod. (Got the slider/diaphragm > assembly > for a '95 Sportster from a Harley dealer for $40 instead of $140 from > Kawasaki, then drilled out the hole to 7/64".) This was my first time to > work on a carb. I was absolutely thrilled when the bike started and ran > GREAT after I put everything back together. I drove around for a few > blocks, > about 5 minutes, reveling in my mechanical prowess. As I returned to my > driveway, the motor died. > > Now, it will only start after extended cranking with the throttle wide > open. > It runs rough below 2,000 rpms, although it's fine above that. It will die > at a stoplight if I don't pay attention. Sadly, these symptoms are very > similar to the ones that existed before I embarked on this carb adventure. > However, the bike wouldn't even start then, and now it does. Any ideas > what > is going on? > > When the carb was off the bike, I soaked all parts in carb cleaner and > blew > them out with compressed air. What could account for the motor running > better than ever for a few minutes, then reverting to this troublesome > state? > > Kevin > > _____ > > size=1 width="100%" noshade color="#9d9da1" align=center> > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1209 / Virus Database: 1500/3604 - Release Date: 04/29/11 > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed]