Question about 2005 Gilera Runner VX 125

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My Gilera 125cc Dna keeps cutting out at high revs? Any ideas?

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Mine did the exact same. I changed spark plug, air filter and used redex. When I was changing the air filter, I put full revs on to see if anything was clogging it, and just put the new air filter back on. Works fine now.

Posted on Nov 16, 2015

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Take the air hose off or check
if its trapped

Posted on Oct 10, 2012

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If you are requiring more fuel and it isn't getting there, look for a clogged fuel filter. Also check air filter and carb float bowl for crud build up from gasolin.

Posted on Oct 13, 2009

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Posted on Jan 02, 2017

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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 - when first turningin it on the acceleration is very fast, but when things start to warm up acceleration is a lot slower and I mean a lot!! Any ideas what I could do to fix this?


Could be an intake leak. Can you rev it to keep it going once the revs go down? If you can keep it going does spraying a carb cleaner or water at the intake ( not the carburator) change the way the motor runs?

Oct 24, 2012 | Motorcycles

1 Answer

Iv hot a gilera DNA 50 and it keeps overheating


under no circumstances should you remove the thermostat have you bled the air out of the systerm & are you running the correct presure radiator cap

May 03, 2010 | 2006 Gilera Runner VX 125

1 Answer

Gillera dna ticks over,minate u rev it cuts out


If it has a manual choke pull it out to rev, if it does its starving, low fuel / crud in fuel / old fuel / blocked jets in carby.

Jan 26, 2010 | 2005 Gilera Runner VX 125

1 Answer

Gilera dna oil light and also rev counter.


Have you had an oil gauge on the line to check what pressure you are running at? You may want to try running a heavier oil in the engine. If you are running a synthetic oil switch back to ester oil. If this does not remedy the problem then a new oil pump will be the fix

Aug 10, 2009 | 2000 Yamaha V Star 1100 Custom

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

2 Answers

Hi ppl i have got a gilera dna 125cc and it will only go past 28mph and won't go past 7000revs but if i rev it to 7000 and put my finger in the carb in push the niddle up it go's past wot can this...


try adjusting the cable adjuster on the top of the carb. it may be loose and worked it way down
does the throttle cable feel loose when you pull on it?

Jul 21, 2009 | Gilera Runner VX 125 Motorcycles

1 Answer

GILERA DNA 125CC Front brake master cylinder wont pump fluid can this be fixed??


Yes, you can get a kit to rebuild the master cylinder. Talk to the parts department at your dealer to get the part number.

Jul 12, 2009 | 2006 kawasaki ER-6f

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