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Get well soon! And may spring come early for you. Beautiful work.
So is that a Harbor Freight (or Canadian equivalent) with an air cylinder? Is that a mod?
The kill switch is intermittent, just trouble, spark, then no spark, I think I need to give up on this switch and install a universal start / kill switch.
Have you checked with Harper's for the kill/start switch? I bought a NOS signal switch from them a while back, maybe they have that one too.
I have had the LeMans carbs returned following an inspection by Wolfgang Haerter, the Laverda and Dellorto guru, other than resetting the floats all was OK.Installed the carbs, re set the valve gap and hooked up a battery. 1st trial was a no show, I struggled to get the bike to fire, it really wanted to but no ignition. So in frustration I pulled out the Dyna III (it was a used one I had laying around so I can't be certain it was functioning) and installed another distributor with a fresh set of points and condensers. It fire right up and idled fairly smooth. I balanced the carbs and set the timing. I let it run through about a half gallon of gas. It was quite hard to start when hot, mixture screws out 1 1/24 turns, choke cable have slack, all stock carb setting and jets, plugs are fouled. Fresh pugs and it restated just fine.I went at it again on Sunday and once again it fired right up but when hot it was hard to re start. I retorqued the heads once more and re set the valve gap, changed out the oil and filter. After a lot of balancing and strobe timing I think I have it as good as I can get it but the plugs are still quite black and the mixture screws are out 1 turn. I am guessing the idle jets are too big??Here are some poor videos I took today, I apologize for the quality.https://youtu.be/Nx1ELCo7kQ0https://youtu.be/Gn8fN5kEejM
It's alive! I thought the hard to start when hot is typically because it may be running hot and the fuel vaporizes from the intake path. I know you are seeing it rich after checking the plugs, so that doesn't match. Will it start quicker when hot if you activate the choke(s). Also, valve gaps may be too tight? Be sure they are set at the correct TDC interval.
Hi Jim, great to hear that you have gotten it up and running. How is the weather now? Are you able to do some test rides on it?-Ulrik Sent from my SM-A520F using Tapatalk
Sounds like it's pretty close to me, I wouldn't be too concerned with the plugs like that. Plug chops are done at high engine speed, so they'll always be a little wet I think when running in the garage setting. Though, I could be very wrong on that!Anyway, just to get by for now, I would shut down the bike pulling the choke right before turning off the key/switch, that way it should start up right away even if shut down hot as it would leave a rich path.If you want to mess with it more, then I would lower needle #2 a notch to reduce your low/mid fuel, and open/unscrew #58 another half turn, making 1.5 turns out to richen your idle path. Maybe that will help. Of course, wait for someone else to jump in here, but that's what I would try as a starting point from this point before going too deep into atomizers and such.
Summer has finally arrived, going to get the Le Mans out on the road this week, its not registered so I have to sneak around the block ain the evenings!Sounds like you are on the right tool for tuning, please keep me posted.
Congratulations Jim! This has been a real pleasure to follow - Mark
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