im new...now popping

[lee_dutcher]

kk will take a look at and where are these TECH tips....in the maintance area???

[TopCatGr58]

kk will take a look at and where are these TECH tips....in the maintance area???

They are where the STICKY thread at the TOP of this FORUM says they are!

2 SETS, either from the MAIN FORUM PAGE, see the first link just above the forum view that says XS11.com Forums click on it, and then scroll down the page.....4 sections, Maintanence, Repairs, Mods, MISC. The other set is
found in the TABS at the TOP of every web page... ie. HOME, XS11 Info....hover over that 2nd one, and follow what pops up!
T.C.

[lee_dutcher]

got her running good now but there is still a flat spot around 4k-5k rpm.... but i replaced all the gas lines seem to help

[lee_dutcher]

popping sound

well i rode her last night and notaiced a popping sound......when i got home i put he in nutral and when to the rear and notaced exaust coming from one side of the exaust and none from the other....then when it popped both where going... then i didnt see the other sides exaust then pop then it was fine....it does it while im am riding to just not as bad when it is ideling.....now my question is this the sparkplug wire or cdi box or mabey a float problem????

[mstic2000]

I had the same problem on mine. Except popping only at idle. On my 78 XS1100E I ended up replacing the (upper) advance timing coil, #1 & #4 ignition coil (low ohm reading on both) and my #2 carb was plugged. Did a resync and she runs like a champ now. Smooth idle and no popping. JAT If all that didn't correct the problem the next thing I was going to switch out was the cdi box and see if that made a difference, but ended up not having to.

[TopCatGr58]

Hey Lee,

I merged your new thread with your old one, since you haven't editted your profile/signature to include your bikes year/model. Also, this thread shows the history of the bike, what has been done to it, what you have done to it, what has ALREADY been suggested, etc.. so that we don't repeat ourselves across threads!

I glanced thru your previous posts, and you stated that the PO had cleaned the carbs, but have you gone back in them?

Okay, some diagnostics, fire it up, have it idling for a few minutes, then spritz some water on the pipes, see if ALL of them sizzle, or if some just dribble?

Cylinders are paired 1-4 and 2-3 with ignition components, but 1-2 and 3-4 with fuel, so depending on which ones are not HOT will lead you in the direction you need to go.

And and FYI for ALL...it's a TCI not a CDI....Transistor Controlled Ignition...Inductive system and use 1.5 to 3.0 resistance coils;

CDI's are Capacitance Discharge Ignition systems , use much smaller ~ 0.7ohm type resistance coils. Using CDI coils with our system WILL FRY the TCI, and important point when looking for replacement parts!

[mstic2000]

And and FYI for ALL...it's a TCI not a CDI....Transistor Controlled Ignition...Inductive system and use 1.5 to 3.0 resistance coils;

CDI's are Capacitance Discharge Ignition systems , use much smaller ~ 0.7ohm type resistance coils. Using CDI coils with our system WILL FRY the TCI, and important point when looking for replacement parts!

Oops! Typo in my post

[mstic2000]

Cylinders are paired 1-4 and 2-3 with ignition components, but 1-2 and 3-4 with fuel, so depending on which ones are not HOT will lead you in the direction you need to go.

Right you are. My 1-2 cylinders were warm to touch which pointed me to the carbs but ended up being ignition problem as well. JAT

[DGXSER]

If I read this all correctly, it sounds like it misses on the one side until enough fuel builds up to pop in the exhaust and then repeat, kind of like a lean running problem?

[lee_dutcher]

all 4 pipes are HOT........

[Thee_oddball]

Welcome and keep those bags! better to have and not need than to need and not have
i would start with plugs,carb cleaning,oil...etc

[lee_dutcher]

well i replaced the plugs right away, the fuel all fuel line (did one at a time to make sure i dont get it mixed up), changed the oil and filter, and changed the airfilter....im ganna try to replace the wire next anyone got any aftermarket ideas i can use.....like i herd someone said you can use msd or somekind of bigger wires from a v8 or somthing....oh and im selling the trunk i got with it so if someone wants it pm me

[TopCatGr58]

Hey Lee,

You said all the pipes were hot, but was that after riding it a while, or just getting it started from cold and idling? A slightly clogged idle/pilot circuit will falter at low rpms, but once you get running in the mid/upper rpms, you are then using the mains, so that IF it's a fuel supply problem, it'll be mostly solved in those rpms. And so it could show all the pipes hot after running on the mains. IF they are all hot, then it seems to show that the ignition components are working properly, cause it takes more spark energy to fire at higher pressures and rpms with more fuel/air.

This leads me to think that if it's popping in the low rpm/idle range that there is some restriction of the pilot circuit....or a slight vac. leak that prevents it from drawing enough fuel at that rpm. Relying on someone else's cleaning of the carbs will have you chasing your tail with all sorts of diagnostic attempts!

Do you mean the spark plug wires? They are molded into the coils, you'll need to do some cutting/modding to put NEW wires in them, the technique is in the tech tips. You'll want to use SOLID WIRE CORE type wires, not just that impregnated automotive type wire.
T.C.

[Thee_oddball]

Relying on someone else's cleaning of the carbs will have you chasing your tail with all sorts of diagnostic attempts!

T.C.

+1

not to mention DANGEROUS, I just found the clutch nut that is suppose to be torqued on at 50 pounds was on just finger tight and the washer that sit inside the clutch basket was sitting on the clutch star instead, dont always trust what the PO did.

[lee_dutcher]

well i finally let her idel for a while and found that right side was cooler then the left side (cylinder 3 and 4). cylinder 3 bubble but 4 just dripped right off..i can grip the 4th cyclinder and can grip the 3rd to but not very long and the other 2 are sizzleing (cylinders 1 and 2). i checked the plugs and the smell like gas so im guessing its a tci or a coil problem....can somone think of any other possablity... i would like to feel the power of the xs1100 asap