Subject: Re: %$^&(*#(
Author: greg hopkins
Date: Apr 5, 2005, 3:09 AM
Post ID: 1718649680
Ted, Timing a Guzzi by hand/ear can be risky. A little too advanced and a piston gets burned up. First I suggest getting a new pulley with the proper marks. With the left cylinder at TDC the pulley should be bomewhere around the first, or idle mark on the pulley.Start from there. Greg '74 Police Eldo
Ted Ward <ju-@astrocomma.com> wrote:
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The bike ran great, then one day just started to bog down and hasn't run well since.
I did have the distributor out in the process of trying to fix this problem put it back recently. The bike will start and run crappy, but it runs the same way it ran before I took it out. (checked the sheared pin problem Greg Bender mentioned)
I also put in a new timing chain tensioner after this problem began, the old one was just gone. The timing marks were lined up when I put it back together could that still be the problem? But again, it runs the same now as it did before I put the tensioner in.
I guess I need to get guzziology to figure out how to set static timing (don't see any visible marks on my pulley) but I've basically been getting it to start then trying to rotate the distributor by hand to get the best position.
Ted
----- Original Message -----
From: Custom Guzzi
Ted,
If you had the distributor out you could have put it back in 180 degrees out. Bike will run crappy when and if it starts.
Paul
Greg Bender wrote:
Your free subscription is supported by today's sponsor:-------------------------------------------------------------------Help us support US Troops - Just Register Here.http://click.topica.com/caadlVxb1dfltb6GIoLa/PermissionData-------------------------------------------------------------------Hi Ted,If you are feeling suction when you put your hand over the left exhaust port on the head, then that seems very odd to me. Unless your valve timing is way off, I wouldn't think that should ever happen.I'll ramble through some thoughts...Let me think this through with consideration with the four strokes:1. Intake - Intake valve open/Exhaust valve closed2. Compression - both valves closed3. Power - both valves closed4. Exhaust - Intake valve closed/Exhaust valve openOf course, there is some slight overlap, but nothing that I can think of that would cause that much suction. Perhaps someone else on the list can provide more insight.I think you mention that you static timed the ignition, set
the points, tried a new condensor, tried new plugs, made sure the points/condensor wires weren't touching, all to no avail (please correct me if I'm wrong).You may want to re-checked the static ignition timing. John Schwartz told me a story of a bike he just couldn't get to run right one time. He would static time it and it would run good for a minute, but then the performance would deteriorate. He'd check the timing again and it was off. Drove him crazy. Finally, he pulled the distributor and found that the spring pin that holds the gear to the bottom of the distributor had sheared off. I doubt that this is your problem, but when you are at the end of your rope, it might be worth a try.This just seems like a timing related issue to me...hmmm...Ted Ward wrote:
I'm about to slit my wrists trying to figure out why my eldo won't run well and noticed something odd, when I put my hand over the left cylinder header and crank the bike (spark plugs disconnected), I feel more suction than exhast, feels like its going to suck my hand into the pipe. Is that normal?I have completely and throughly cleaned the carbs, I get spark, wiring appears to be in good shape I have the aircleaners off currently, gas is flowing though if I blow into the fuel inlets on either carb, it does take a little effort.I remember when the bike originally began running bad, I noticed my generator had slipped in its cradle and was straining its wiring, but the wiring still looks fine, the gen. light goes out when sufficient revs are reached and I do have spark (not sure how strong).Ted
Regards,Greg Bender1971 Ambassador2000 Quotahttp://www.thisoldtractor.com/gtbenderFloridaMGNOC websitehttp://www.thisoldtractor.com/fl_mgnocMinnesota MGNOC websitehttp://www.thisoldtractor.com/mn_mgnocYour free subscription is supported by today's sponsor:-------------------------------------------------------------------Sign up today for a No Annual Fee Discover®Platinum Card and get�0% Intro APR on Purchases & Balance Transfers for 8 Months, Up to 2% Cashback Bonus®reward on your purchases & 100% fraud protection.http://click.topica.com/caadlRMb1dfltb6GIoLf/DiscoverCard-------------------------------------------------------------------
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