Question about 1990 kawasaki ZZR 600

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Bike left standing for 6 months won't start

New plugs fitted it seems like petrol starvation tank is full

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Hi, Sitting not good ! That is why the petcock has an off position. Spray some starter fluid or some fuel in the carb intakes and see if cranks, If it does, the carbs have to be disassembled and cleaned. Good Luck to you!

Posted on Feb 25, 2009


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1 Answer

My Aprilia sr50 won't start after being left outside for 5 days!

Hi, Hamed and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
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For more information about your issue, please visit the websites below. Good luck and have nice a day.
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1 Answer

Ducati 2004 620 monster left standing for months won't start

Hi, Anonymous if your bike has been sitting idle for months or years and you did not do any pre-storage maintenance I feel your pain it will probably have a dead battery and not want to start or if it starts it will idle and run poorly, here are the following steps necessary to complete in order to get your bike back to an acceptable running condition.
1. If your battery was 3 years or older when you last had the bike running you should replace it.
2. If you believe your battery might still be serviceable remove it from the bike and put it on a 1 or 2 amp trickle charger for 24 hours. If it is the old lead acid type with visible cells and acid levels fill each cell to the top line with distilled water and replace the caps, run the vent tube into a plastic or styrofoam cup, any cells that are cloudy/milky replace the battery.
3. After charging remove the leads and let the battery sit for a couple of hours then check the battery voltage with a volt meter, you should have 12.5 volts or better, any readings in the 11 volt range you need to do a proper load test on the battery and replace as necessary, any readings in the 10 volt range you have a dead cell and replace the battery.
4. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
5. Remove your air cleaner and clean and re-oil per Mfg. specifications.
6. Remove the carburetor, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
7. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
8. Replace spark plug with a new one and check for spark.
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Jul 04, 2012 | 2003 Ducati Monster 620 i.e.

1 Answer

Bike don,t start petrol gets to plugs

drain off the old fuel from the carbs , carb drain screw is on the botton of the float bowl. fill with good fuel and try again.

If no check for spark remove plug fit to coil rest against the head and turn over. Does it spark?

Feb 21, 2012 | Jinlun XR 125 Motorcycles

1 Answer

Bike wont start

Dead fuel in the float bowls, turn fuel tap off get a piece of thin hose connect to the drain fitting on the float bowl release drain screw on the bottom of the carbs drain each carb, top gas up with good fuel turn tap on and your off.

Jan 27, 2012 | 1996 Yamaha YZF 750 R

1 Answer

Hi got a suzuki gs750 not ran for a number of years,getting a spark at all spark plugs,have checked timing all ok but wont start not even trying,it seems to be fuel starvation but cant think whats wrong...

when you say a number of years is it the same petrol in the fuel tank?

personnely i would look at the filter in the fuel tank is it clean when you turn on the petrol does it run freely? disconnect the fuel pipe and empty the tank into a fuel can

i know you said that you have cleaned the carb but did you check the floats? a messy job which will cover your hands in petrol but must be done im afraid

give me shout if when you have done this and maybe i can help some more


Feb 21, 2011 | 1978 Suzuki GS 750 E

1 Answer

I let my 07 suzuki sit for too long and now the bike will not stay or start. What could be the problems?

the carbs are bunged up with varnish off the petrol that was left in them when you layed the bike up on the bottom of the carbs is a small screw undo them to drain the carbs out and hope that new petrol getting to them will clean them so it will start if this dont work you will need to strip the float boles off and try to clean out the running jets with carb cleaner, you should never leave a bike with full carbs if your going to let it stand for months all ways turn off the fule and run them dry first,,, you may get away with filling all the carbs with carb cleaner and letting it stand for a day or so, this may clean out the jets but you will need to drain the carbs of carb cleaner and refill them with petrol before you try to start the bike up

Jan 21, 2010 | 2006 Suzuki GSR 600

2 Answers

I've removed the petrol tank, the fuel is not

Honda uses a vacuum triggered valve in their petcock so fuel will only flow when engine is running. the 'bottom pipe'is most likely your vacuum connection.

Sep 27, 2009 | 2005 Qianjiang QJ125-F

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