Question about 2003 Suzuki UH 125 Burgman

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Suzuki 125 burgman very sluggish no top end speed at all.

Start ok gets to 30 mph then feel like it hits a wall.

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  • Van_Kerr May 11, 2010

    Hi ..... When was the last time the bike was serviced and the air filter was changed ?


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Whats the mileage on the burgman ,and maybe the belt needs replacing that drives the back wheel,.

Posted on Jan 27, 2009

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My Suzuki Burgman 125 is sluggish and top speed max's at 50mph, wiring also when coming down a hill and releasing the throttle there is a whirring noise?

Hi, Bryan and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking check for spark leakage in the dark.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. 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.
7. Intermittent short circuit due to damaged wire insulation.
8. Intake air leak.
9. Water, dirt, or rust in the fuel system, fuel pump and/or filter.
10. Old dead or bad fuel.
11. Faulty fuel pressure regulator
12. Pinholes in the in tank plastic convoluted tubing from the pressure regulator to the quick disconnect check valve.
13. Fuel tank vent system plugged.
14. Throttle body controls misadjusted.
15. Damaged throttle body or intake seals.
16. Loose, dirty, or corroded ignition module connector at crankcase.
17. Faulty MAP, CKP, O2, and/or CMP sensors.
18. Incorrect valve timing.
19. Weak or broken valve springs.
20. Damaged intake or exhaust valve'
21. Control module may be in "LIMP" mode
22. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Top Speed Suzuki Burgman Forum
Suzuki Burgman UH125 K7 Accleration and Topspeed
Suzuki Burgman UH125 Service Manual
OEM parts for Suzuki

Mar 17, 2017 | 2007 Suzuki Burgman 125

2 Answers

I was going about 50 MPH on my 2009 650 Burgman when it started to sputter and slow down. It finally shut off and would not restart. After about 30 minutes, it started but shut down after 1.5 miles.

Hi, Knight_pt and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
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, 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. Air/fuel mixture screw improperly adjusted.
10. Accelerator pump damaged or not working.
11. Water or dirt in the fuel system, carburetor or filter.
12. Restricted, blocked or kinked fuel line.
13. Fuel tank empty.
14. The gas cap is not venting properly or fuel tank venting system blocked.
15. A failed fuel pump, pressure regulator and or fuel injectors.
16. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
17. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day.
Technical advice Suzuki Burgman electrical problem
Suzuki AN650 Service Manual
OEM parts for Suzuki

Sep 26, 2016 | 2009 Suzuki Burgman 650

1 Answer

Nao consigo encontrar a bateria da minha suzuki burgman 125 sera ke me podem ajudar por favor?

? sob o assento ? frente e, em seguida, sob uma capa.


Please dont forget to vote this answer was helpful

Many thanks


Feb 17, 2011 | 2003 Suzuki UH 125 Burgman

2 Answers

Just bought an "04 Burgman 400. Idles rough and

i would say that the carb settings are wrong sounds like the tick over screw is to far in do you know how to adjust this?

if not give me a shout and i will find a manual and tell you


Feb 02, 2011 | 2003 Suzuki AN 400 Burgman

1 Answer

Carnt find the battery on my suzuki burgman 125

Its under the right hand side footplate. Just pull the rubber mat off, undo the two retaining screws for the fairing and the battery is easily accessible underneath.

May 05, 2010 | 2003 Suzuki UH 125 Burgman

2 Answers

Where is the fusebox located on a Suzuki Burgman 400?

the panel under the guages pulls straight out. there are 4 retainers holding it in. just start pulling at one end. the fuse box is on the left and the main fuse is on the right above the top "glove boxes

Oct 25, 2009 | 2003 Suzuki AN 400 Burgman

1 Answer

I need manual instrukcions to change rear wheel on SUZUKI Burgman 125 2000.

You can download a service manual for FREE at Good luck to you friend...Tim

May 13, 2009 | 2003 Suzuki UH 125 Burgman

1 Answer

Not easy to start engine

well, you should use your choke... thats the obvious solution.. or you can get a flash intalled meaning it will warm up the petrol for you.. but thats old school

Dec 14, 2008 | 2003 Suzuki UH 125 Burgman

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