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Starts then cuts out

The bike starts and runs ok then cuts out as if it's run out of petrol but it has a full tank

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  • 157 Answers

With the little info that you have given I would first say to verify that the carb has an un restricted supply of fuel getting to it, has the proper fuel level in the carb bowl when full. If the unit has a vaccuum operated(automatic) fuel valve ckeck the vaccuum hose for good condition. If it has a PRIme position try running in this position. If all is good the valve may be bad. Good luck.

Posted on Dec 30, 2012

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6ya6ya
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Posted on Jan 02, 2017

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yeskimoe663
  • 224 Answers

SOURCE: Fluchuating idle & bucking, Like a running out of gas sensation.

how many miles are on the bike? those are the symptoms of needing a valve adjustment. if valve clearances ar good , it's in your fuel system.

Posted on Jun 15, 2009

  • 12 Answers

SOURCE: 2008 Derbi Cross City 125 running problems

if you turn a motorbike tank into reserve..
the patrol wont go to a little filter.. soo.. thats the splutter and so..

Posted on Jul 11, 2009

  • 1 Answer

SOURCE: When i Have half a tank of petrol bike cuts out

hey i had one of these myself until it got write off today, not very good when you hit the side of a van at 30mph lol.
I only got around 60 miles before i had 2 fill up just check the fuel system for air leaks coz a pipe came off mine and it just drank fuel also check the fuel to air mixture.

Posted on Aug 11, 2009

  • 232 Answers

SOURCE: Hi I have a 1967 bsa bantam d10 175cc. The bike

the bike can run on unleaded but it will be rough .
you mwill have loss of power and radical .
what i would suggest is to ask a mechanic about the effects of unleaded petrol to an old engin .
all i know is that the bike will run as i did it to my old BMW and all i had to do is replace some gaskets .
Best of luck .

Posted on Sep 30, 2009

  • 1 Answer

SOURCE: Have a Suzuki Marauder GZ125

you need ajust the floats in the bole to let more fuel in

Posted on Sep 07, 2010

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Zafira 1.6 petrol 4 injectors open when hot


I woud suspect if it is all 4 it is an open circuit in the wireing. When faulting & won't go follow the injector wireing back from the injectors & slightly bend the wireing harness while someone is cranking the vehicle. Pay particular attention to where the harness runs near the exhaust (if it does) & check for any melted parts of the loom or conecting plugs. Also disconnect the loom at the 1st place along the loom & look at the connector for anything unusual.

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I have an aprilia rx125 2008 & the oil petrol mixing system has been blocked off and now petrol & oil are mixed in the petrol tank, but the bike starts for 3-5seconds then stops & petrol comes out of


Hi Steve, and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue please visit the websites below. Good luck and have nice a day.
DOWNLOAD 2008 Aprilia Rx 125

Dec 04, 2011 | 2008 Aprilia RX 125

1 Answer

I have a peugeot elyseo 100cc scooter and it won't start! it was working fine then just cut out with low reves. and now it won't start. i've cleaned the carb countless times, and the petrol...


with 2 stroke engines there is 3 things that you need petrol air and spark if you have them the bike will run you say you have cleaned the carb have you checked the air box the filter could be blocked restricting the amount of air in also have you checked the spark plug remove it and see if you get a spark place the plug onto the engine so thats its touching some metal and try and strart the bike you should get a nice fat spark if you dont then replace the plug if you do have a look at it is it oily and black if so the the air screw on the carb needs turning 1/2 a turn inwards if its white then 1/2 turn out if it looks ok the check for compression place your finger over the hole in the engine where the plug came out and try and start the bike your finger should be pulled gently into the hole if not then the piston ring has either cracked or snapped and will need replacing
if all this is ok spray some easy start into the air box and kick the bke over it should start if it does then a new carb might be needed

hope this helps

John

May 18, 2011 | Peugeot DB 300 Naked Motorcycles

1 Answer

Bike sparking and compression ok cannot start bike when cold this year any solutions thanks bike is year 1981


Either the spark is at the wrong timing when you would hear backfiring or coughing at least,if not it is fuel related
Check the reed valves are closing proerly, that the carb & jets are clean, & they have FRESH petrol
It sounds like it may not have run in 6 months or so in which time petrol goes off ( water can get in to petrol quicker giving the same effect

Hope this helps (if so please mark as helpful !!)
Ride safe
Bike-Doc

Apr 21, 2010 | 1986 Yamaha RD 350

1 Answer

Starting trouble


If the odd substance was at the bottom of the float bowl it was water. If it were oil it would have mixed with the gas and you would not have seen it. Drain the carb into a cup to remove any additional water from the carb and petrol tank. When no more water comes from the tank you should be okay to start the bike. Clean air filter? Water gets into the tank via condensation in the tank.

Dec 31, 2009 | 2001 Honda NSR 125 R

2 Answers

When i Have half a tank of petrol bike cuts out


check fuel tank vent,fuel filter,float bowl vent

Aug 10, 2009 | 2008 Derbi Cross city

2 Answers

2008 Derbi Cross City 125 running problems


if you turn a motorbike tank into reserve..
the patrol wont go to a little filter.. soo.. thats the splutter and so..

Jul 10, 2009 | 2008 Derbi Cross city

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