Question about 1980 Suzuki Gs 550 L

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My 1980 suziki gs 550E will occasionally start but when it does an oil/gas mix comes out the breather box then it wont start up again

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Your valve seals are leaking.

Posted on Jun 08, 2011

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Bike has not been rode for over a year finally got it to start easy, but while I had the air cover off I shut it down because gas mixed with oil was being pumped out the breather hose on rear cylinder


YEAR,MAKE,MODEL??
Plus,...if the bike has been sitting for a long time,it is possible to have water in the fuel tank. So i wouldnt rule out gas just yet. Most likely it is fuel mixing with oil,and the carbs are going to have to be taken off,cleaned,floats set,and synched. And of course,drain old fuel and replace with new fuel. It would also be a good time to change the plugs,and oil while your at it.

Sep 23, 2012 | Motorcycles

1 Answer

2005 Honda aero gas leaking through Crankcase breather hose


Carb floats are stuck. The carbs will have to come off and be cleaned and synched.

Sep 22, 2012 | 2001 Honda CBR 600 F(4)i Rossi

1 Answer

Gas and oil squirting into air box


First of all, there should be no gas/oil mixture on this bike. If it is a crankcase breather and it has gas coming out of it then it means that gas has ran into your engine and diluted the oil. Check the oil and if this is the case then drain and change immediately. As for the gas getting into the crankcase; if you have a float stuck in the open position in your carburetor the gas freely runs through it, then into the cylinder where it then leaks past the piston and into the case. I hope you engine isn't filled with gas but it sounds like it is. If this is what happened then the oil change will fix your problem. If so, take the carburetors apart and make sure the needles and seats are clean and move freely to prevent it from happening again.

Jun 08, 2012 | Motorcycles

1 Answer

I keep having fuel mixed with a little oil, come out of the carb overflow hose when the bike is upright and running. Is this an indicator one of the float needle valves aren't seating properly, or is...


The float needle is not stopping the fuel flow. This is what you suspected. Why not is the question. Three things can cause the problem. 1 ) There is trash from the gas tank stopping the needle from closing; get an inline fuel filter and flush the tank. 2 ) The float tang needs to be adjusted to shut off the gas sooner, before the carb fills too full. 3 ) The float is leaking and no longer floats as it should. If it doesn't float there is no way the needle will close. By the way, there should not be any oil in the gas. Are you certain this is the case? If so, the oil would have to be coming from the crankcase breather. Check the oil level in the gearbox. Chances are that compression is getting past the rings and the fuel in the air / gas compressed mixture is mixing with the gear oil and raising the level in the box.

Sep 11, 2011 | kawasaki EN 500 Vulcan Classic Motorcycles

1 Answer

After priming engine starts first pull, runs a few seconds, occasionally a minute, then slows down and stops like it's out of gas. Will start again on first pull only after re-priming and then runs a...


Hi well this is a little odd,however i have come across a similar thing like this before and what fixed it was the tank breather, it was blocked and after a while the tank developed a vacuum and gas wouldn't flow, so i wonder if this is the same or similar worth a try anyway? try loosening the top a little and see? If that works check the breather tube?
Otherwise, i think that it still must be a gas problem and would troubleshoot that area? maybe the float sticks?

Jun 24, 2011 | Garden

1 Answer

I have a '80 Suz. gs 550e, which has no power on


Hi,
It sounds like you have a blocked main jet in the #1 carb. Unscrew the bolt at the bottom which is the fuel bowl an see if any fuel comes out. If it don't then your needle on the fuel inlet seat maybe jammed.
You will have to dismantle it and clean it out..Hope this helps, let me know how you get on.

Jason

Apr 06, 2010 | 1980 Suzuki Gs 550 L

1 Answer

Proper start-up service for a 1980 Suzuki GS550L motorcycle.


Shoot WD40 into each cylinder to get them wet.
Change gearbox oil and oil filter. Use 10w40 motor oil in the gear box. Don't use any synthetic oils, oil marked "EC", or oil with "special" additives. Stick with the major brands; Pennzoil, Quaker State, Mobil or Shell. How bad is the rust inside the gas tank? I would consider a liquid tank liner if rusted. Google “ kreem fuel tank liner “ or go to www.http://www.4secondsflat.com/Fuel_Tank_Sealer.html
  • Lube chain or get a new chain (if needed)
  • Lube Throttle, clutch and front brake cables
  • Lube Speedometer cable
  • Grease the swingarm, axle and steering stem bearings.
  • Install a new battery
  • Clean, and balance the carbs. This will be the problem area. They will likely be gummed up pretty good. Be sure to install an in-line fuel filter before starting the bike.

Jun 11, 2009 | 1980 Suzuki Gs 550 L

1 Answer

Kolher 17hp motor blowing oil/gas mix out of breather tube


I had the same problem! I found that the needle valve in the carb was not shutting off the fuel flow when not running. Either replace needle valve or put a shut off valve in the fule line. Should take care of the problem

Apr 03, 2009 | Craftsman Garden

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