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Smoking coming from engine?

  • Thread starter Thread starter TheNewGuy
  • Start date Start date
I opened my motor this spring after my cam chaim broke and bent a valve. I changed valve seals, lapped valves, and honed the cylinders in additon to replacing the chain.

Just wanted to add that I read both the 750 and 1000 manuals. I don't remember which specific steps, but I found the GS1000 manual explained a few things better or with clearer pics.
 
hannibal said:
I opened my motor this spring after my cam chaim broke and bent a valve. I changed valve seals, lapped valves, and honed the cylinders in additon to replacing the chain.

Just wanted to add that I read both the 750 and 1000 manuals. I don't remember which specific steps, but I found the GS1000 manual explained a few things better or with clearer pics.
Click to expand...

Good to know. Thank you
 
hannibal said:
How are your carbs? Use new OEM rings, head gasket, and base gasket for a rebuild.
Click to expand...

Will get the oem gaskets. Got the o ring kit ordered from cycleorings. Got the carb dip bucket recommended too. I origionaly pulled the bowls and jets and carb sprayed everything. Apparently that wasnt good enough because bike wont idle
 
I would do a goooood cleaning on the carbs before pulling the head. I wouldn't worry about the compression numbers until you have the bike running better.

Just my 2 cents.
 
hannibal said:
I would do a goooood cleaning on the carbs before pulling the head. I wouldn't worry about the compression numbers until you have the bike running better.

Just my 2 cents.
Click to expand...

Just got the carbs all dipped and going to reassemble to see how it goes. Will report back tonight
 
I have a similar issue. Oil leaking from where the tach cable connects to the engine. The oil leaks down the curve of the cable and drops onto the top of the exhaust. When you start it, there is some smoke produced that comes up by the tank. I thought it was a valve cover gasket leak or an exhaust leak until I discovered the true source. Also, while riding, the oil is blown around the fins to the left side of the engine and will spot my lower pant leg if I fail to clean the oil first. I have a gasket to replace to stop the leak as time permits.
 
Hey guys, white smoke/vapour in the top end area on the GS750/850 engines, is usually a sign that the airbox breather slot, directly below the breather tube has blocked. This slot runs across the top of the airbox, is extremely narrow and eventually fills up with rust. Difficult to clean out, but digging into it with a piece of 1.6mm welding wire will do the trick.

When this breather is blocked, the engine pressurises and causes leaks to the speedo cable, tacho drive, chain tensioner and clutch lever areas. This white vapour is atomised oil being forced out.

Now, your low cylinder pressures won't have been helped by crankcase pressure either.

Hope this helps and that you haven't dug too deeply into your engine, just yet!
 
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