Subject: RE: Failure for the shift lever to return...
Author: Edward Walton
Date: Nov 8, 2004, 10:02 AM
Post ID: 1717845986
<html><div style='background-color:'><DIV class=RTE>
<P>Hi Greg</P>
<P>I have a 70 ambo and have had same problem as you are! Twice it happened just like your 4 speed. The first time years ago I put a new clutch in and it was like a new tranny in the bike. Shifted like new!! Second time it happened was last year after I broke a Clutch cable. I had the cable ajustment set up too loose amd not enough disengagment. Being a old Dirtbiker we have a bad habit of setting up the clutch ajustment with not enough disengament for speed shifting and Guzzi clutches with that middle plate need as much disengament as it can get. After setting up the cable for full disengament the problem went away. Cheap fix if you have`t tryed it </P>
<P>Cheers TED</P>
<P>750 AMBO<BR></P></DIV>
<DIV></DIV>From: Greg Bender <gr-@thisoldtractor.com>
<DIV></DIV>Reply-To: Loopfram-@topica.com
<DIV></DIV>To: Loopfram-@topica.com
<DIV></DIV>Subject: RE: Failure for the shift lever to return...
<DIV></DIV>Date: Mon, 8 Nov 2004 12:42:27 +0000
<DIV></DIV>
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<DIV></DIV>Hi John,
<DIV></DIV>
<DIV></DIV>I'm not having any problem with anything popping out of gear. It's just
<DIV></DIV>like there is something inside that is binding things up and not
<DIV></DIV>permitting the shift lever to return to a 'static' position (in both up
<DIV></DIV>and down movements). When it happens, I have to use my toe to get the
<DIV></DIV>shifter back into the 'static' position. Then, it may or may not shift
<DIV></DIV>properly from there. I think I have fewer problems when I use a very
<DIV></DIV>light movement on the shift pedal (almost a springing motion). But, then
<DIV></DIV>again, I may just be getting suppositious! Again, this problem is more
<DIV></DIV>pronounced when moving between 2nd and 3rd gears, especially on the
<DIV></DIV>downshift.
<DIV></DIV>
<DIV></DIV>John Ulrich wrote:
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>> Greg Bender wrote:
<DIV></DIV>> > I think that I'm having more trouble when shifting between 2nd and > 3rd
<DIV></DIV>> >
<DIV></DIV>> > gears than any other combination (although 2nd to 1st is
<DIV></DIV>> > problematic, too). This leaves me contemplating the gear selector
<DIV></DIV>> > forks inside the transmission.
<DIV></DIV>>
<DIV></DIV>> The reason I replaced my shift forks, was that it popped out of gear
<DIV></DIV>> when bench testing after shimming. The faces were wore enough so it did
<DIV></DIV>>
<DIV></DIV>> not push'em far enough to "lock" in place. With the drum flopping
<DIV></DIV>> around forward or aft before shimming, it "moved" where it needed to, to
<DIV></DIV>>
<DIV></DIV>> allow engagement.
<DIV></DIV>>
<DIV></DIV>> If your's are dropping in place okay....????
<DIV></DIV>>
<DIV></DIV>> Later,
<DIV></DIV>> JU
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>Regards,
<DIV></DIV>
<DIV></DIV>Greg Bender
<DIV></DIV>1971 Ambassador
<DIV></DIV>2000 Quota
<DIV></DIV>http://www.thisoldtractor.com/gtbender
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