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Gilera dna 125 wont start

Started making a grinding noise an losing power but now wont start

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  • 4 Answers

Check timing

Posted on May 10, 2013


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Posted on Jan 02, 2017

cape cod bob
  • 292 Answers

SOURCE: starting problems with gilera dna 50cc scooter

no, if it starts on the kicker petrol is not an issue, could be battery though

Posted on Apr 11, 2009

ollie reece
  • 1167 Answers

SOURCE: i have a gilera dna 125 4st it takes lots of turns

the spark plug possibly get back to me if thats ok

Posted on Sep 16, 2009

Testimonial: "its ok"

  • 167 Answers

SOURCE: i have a gilera dna 125 and i was driving it and

has it run low on oil???....sounds like its got a major problems,,think it may have trashed the crank. or cilyinder!!!

Posted on Feb 28, 2010

FirsLonewolf
  • 186 Answers

SOURCE: Gilera DNA 125 4 stroke.

This could be caused by your gas filter clogging due to dirt in the tank or bad gas. try cleaning or replacing the filter and see if that helps

Posted on Sep 01, 2011

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2 Answers

Hi there my Gilera vx kicks over but doesn't start will start 1st time on a jump pack


Hi, George start with #7 and perform a proper load test otherwise the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
Gilera Runner 125 wont start
Starting Gilera runner vx 125
gilera dna 125 not starting
http://www.carlsalter.com/download.asp?p=1067

Mar 01, 2016 | Gilera Motorcycles

1 Answer

Hi my gilera dna 125 made a screeching noise than just cut out when i try to start the bike up it wont stay running and when you rev it the wheel don't spin


It sounds like you have heat seized the motor for a second this will have scored the barrel and is why it is not running right

May 06, 2014 | Motorcycles

1 Answer

I have gilera DNA 125, my bike loses power when first start it up ? Throttle takes time to react


check the timing, spark plug.spark must be brownishin color if its not, adjust your air fuel mixture. try removing the air filter if it will work. if not, check if your compression.

Dec 28, 2013 | 2005 Gilera Runner VX 125

1 Answer

MY 2002 GILERA DNA 125CC 4STROKE MAKING POPPING NOISES FROM EXHAUST AND CUTS OUT AFTER 10MINS OF RIDING IT


Hi, Darren and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, stator, magneto, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Faulty neutral, side stand or clutch lever safety switch.
10. Air/fuel mixture screw improperly adjusted.
11. Accelerator pump damaged or not working.
12. Water or dirt in the fuel system, carburetor or filter.
13. Restricted, blocked or kinked fuel line.
14. Fuel tank empty.
15. The gas cap is not venting properly or fuel tank venting system blocked.
16. A failed fuel pump, pressure regulator and or fuel injectors.
17. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
18. Needle and seat stuck closed in the float bowl.
19. Lean angle switch is faulty or needs adjustment.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
https://www.o2w.co.uk/tagforum/viewtopic.php?t=9147
http://www.100-biker.com/forums/showthread.php?t=24824
2001 Gilera DNA 125 Scooter PDF Factory Service Work Shop Manual Download... $22
Gilera DNA 125 180 125 2001 Parts
https://en.wikipedia.org/wiki/Gilera_DNA

May 26, 2017 | Gilera Motorcycles

1 Answer

Gilera DNA 125 4 stroke. Cuts out whilst riding. leave for 10 minutes then starts most times or have to jump start it


This could be caused by your gas filter clogging due to dirt in the tank or bad gas. try cleaning or replacing the filter and see if that helps

Sep 01, 2011 | Gilera 200 PRO Motorcycles

2 Answers

Wanted carb for gilera.180/200 runner. dna 180. 4stroke engine


Have you tried bob wright motorcycles they are based in westernsuper-mare but they are a gilera stockist new and used parts and offer mail order check them out on the web.

Jan 13, 2010 | 2005 Gilera Runner VX 125

1 Answer

I have a gilera dna 125 4st it takes lots of turns


the spark plug possibly get back to me if thats ok

Sep 16, 2009 | 2005 Gilera Runner VX 125

2 Answers

Gilera runner sp50 - engine turns over but does not start


you went through the electric. system, now check fuel supply filter, tank, valve carb bowl for dirt

Aug 08, 2009 | 2005 Gilera Runner VX 125

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