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OK, this cloud of smoke on startup has got to go, how do I fix it?

  • Thread starter Thread starter donimo
  • Start date Start date
so of course I order the seals for $50 and then this morning it only smokes maybe 2% as much as it has the last 40 startups...

I didnt use as much choke, but still I am sure I have done that before...

Did you try riding the **** out of it yet?
It usually works.
Italians aren't stupid.
 
I agree that you should try an "italian tune up" first. My skunk smoked & stunk a lot the first couple of rides... It also got faster over the first 1000 miles (I presume the rings were re-seating & it was building compression).

Dan :)
 
I did wind it up a bit on the way home last night, that would be sweet if that fixed it.

Not sure I get the joke, but I am Half Italian so maybe that's why? ha.
 
If you went to Italy & spent some time driving there you'd understand.... Italian's drive like they're on a racetrack 100% of the time, even if they're only driving a 1000cc Fiat.

An Italian tune up is to go out & really beat on it. In the UK we quite often use it as a way of getting older cars through their emissions test. Usually the car that has been puttering around town at 1500rpm in the hands of your Mrs for the last year...

Dan :)
 
I have been there, so yeah that totally makes sense now that you explain it, haaa. The part that amazed me the most was in rome where there were like 20,000 scooters cars and bikes all right below my hotel window all ignoring traffic lights and just given'er, not one accident. Yet here on VI where everyone goes 10 under the limit, accident every day in my town of 5000... sad.

Well, I am going to beat the crap out of it today then, I like a vehicle that gets better the more you beat on it!

my bike was owned by a lady so she could let her kids ride with her on the back, so I bet she puttered quite a bit...
 
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Dohhhh, I didn't think it through all the way. If you flip-up/remove all the adjuster arms first, there can be no engagement of the valves, so no chance of bent valves. Here is a pic of 2 possibilities, and I kinda like the 1/4" setup. It has a piece of PVC slipped over a socket like Duaneage suggested. The PVC would need a 1/2" x 1/2" window cut into the side. It's very important to have stable leverage, especially for reinstallation.

DSCF6355.jpg
 
I want to do a loop around the Olympic Peninsula to include a ferry ride to Vancouver Island, and a couple days tooling around there. A few years ago I bought a '67 Ford Cortina in North Vancouver BC and drove it home to Tillamook OR. Vancouver BC is a bit of a scarey place to drive in my limited experience. Tried to drive across the island then, but the ferry was in dry dock that week. Ended up staying the night in Horseshoe bay, and having to drive down to WA..

I have been there, so yeah that totally makes sense now that you explain it, haaa. The part that amazed me the most was in rome where there were like 20,000 scooters cars and bikes all right below my hotel window all ignoring traffic lights and just given'er, not one accident. Yet here on VI where everyone goes 10 under the limit, accident every day in my town of 5000... sad.

Well, I am going to beat the crap out of it today then, I like a vehicle that gets better the more you beat on it!

my bike was owned by a lady so she could let her kids ride with her on the back, so I bet she puttered quite a bit...
 
Dohhhh, I didn't think it through all the way. If you flip-up/remove all the adjuster arms first, there can be no engagement of the valves, so no chance of bent valves. Here is a pic of 2 possibilities, and I kinda like the 1/4" setup. It has a piece of PVC slipped over a socket like Duaneage suggested. The PVC would need a 1/2" x 1/2" window cut into the side. It's very important to have stable leverage, especially for reinstallation.

DSCF6355.jpg

excellent, that picture is worth a thousand words for sure, I was totally off on what you meant, even though re-reading it now it makes sense. thanks!
 
I want to do a loop around the Olympic Peninsula to include a ferry ride to Vancouver Island, and a couple days tooling around there. A few years ago I bought a '67 Ford Cortina in North Vancouver BC and drove it home to Tillamook OR. Vancouver BC is a bit of a scarey place to drive in my limited experience. Tried to drive across the island then, but the ferry was in dry dock that week. Ended up staying the night in Horseshoe bay, and having to drive down to WA..

If you do, and you have enought time, be sure to duck off the highway as early as Shawnigan Lake, the top of the Malahat north is pretty darn boring otherwise, just a highway. The backroads are where the beauty lies.

If you get close let me know I could do up a map for you. I think they need to build way more scenic roads here, we are tourism based here and none of the main roads go near the water, its an island guys!
 
so the smoke is WAAAAYYY less if I don't use the choke. The idle is really low with no choke (850-ish) but it runs, just a bit of smoke as I pull away.

If I use choke then it is like a tractor pull out the back for a few min...

still valve seals and this choke thing has an explanaition?
 
If the choke is making a huge difference, then it sounds like a fuel problem. You're not fouling out plugs? Can you turn off the choke earlier?
 
The electrodes of the spark plug are a bit lean if anything, the ring around it is black...

It does it as soon as I put the choke on, but goes away after 1-2 min, it IS oily, at least at first...

started with choke all day, just the tiniest whiff of blue smoke, but there is some small amount in the rear views after I pull away after sitting a few hours.

what would be wrong?
 
My 1979 GS750 has exactly the same problem.

My understanding is that using the choke creates more vacumm than usual, as the engine's reving higher without the carburetters opening. Therefor more oil gets sucked down the valve stems.

I find its also temperature related (colder = more blue smoke), but then when its colder I also need more choke. I also get blue smoke after long decel.
 
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