20 Most Recent 2007 Derbi Senda Xtreme 50 SM Questions & Answers


Hi, Marley and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Leaking accelerator pump.
4. Loose low-speed jet.
5. Plugged low-speed jet.
6. Contaminated or plugged low-speed circuit.
7. Enrichner valve is not seated or leaking.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have nice a day.
derbi senda not idling
How to adjust check idle speed Derbi Senda Cross City 125
Derbi GP1 50 cc Workshop Manual
https://www.oemmotorparts.com/oem2.asp?M=derbi
http://www.derbi.com/fr/images/stories/modelos/37/manual.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2007 Derbi Senda... | Answered on Mar 02, 2016


ok check plugs then mixture depending on carb fitted there normaly have two adjustment screws air fuel start bike turn one of the screws and easy off choke make not of where u started in case this is does not cure the prob andyb

2007 Derbi Senda... | Answered on Apr 26, 2014


Hi, Guppy461 and the usual suspects are:
1. Dirty or clogged air filter.
2. Faulty spark plug.
3. Bad Gas.
4. Improper oil level.
5. Improper chain adjustment and lubrication.
6. Low tire pressure.
7. Dirty or contaminated carburetor needs cleaning and tuning.
8. Clogged or faulty fuel pump or injectors.
9. Improper valve adjustment.
10. Slipping clutch.
11. Improper timing.
12. Low compression.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
https://www.yourmechanic.com/question/lack-of-power-at-full-throttle-by-yannick-c
https://rmsmotoring.com/forum/threads/scooter-losing-power-under-acceleration.175137/
https://www.manualslib.com/manual/925390/Derbi-Gp1-50-Cc.html
https://www.scooterdomain.com/chinese-parts/by-brand/derbi
https://absolutelyscooters.net/pdf/CGEN_dawg_scooter_manual.pdf

Derbi... | Answered on Oct 15, 2019


Hi, Anonymous and the usual suspects are:
1. Clutch not engaging due to improper adjustment.
2. Clutch plates worn passed book specs.
3. Transmission not engaging.
4. Broken main shaft.
5. Broken countershaft.
6. Broken chain.
7. Broken belt.
8. Broken U-Joint in the drive shaft.
9. Broken CVT unit.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
https://www.google.com/search?q=Will+not+move+forward+derbi+50+automatic&tbm=isch&source=univ&sa=X&ved=2ahUKEwirud73q9XiAhVJwFkKHbTaDWoQsAR6BAgAEAE&biw=1440&bih=757
Mopped scooter CVT drive belt adjustment instruction
Derbi GP1 50 cc Workshop Manual
https://www.oemmotorparts.com/oem2.asp?M=derbi
https://www.manualslib.com/manual/1098193/Derbi-Senda-Sm-Drd-Pro-50-C-C.html?page=87

Derbi... | Answered on Jun 06, 2019


Use a airlift or comparable coolant system air removal/refill system.You attach the unit to the coolant system filler and it vacuums all air from the system,then you use the supplied hose to return the coolant into the vacuumed system.This fills the system with just coolant and no air.

Derbi... | Answered on Feb 19, 2019


Take it to an engineering company that welds aluminium. I did that with a 250 Yamaha.

Derbi... | Answered on Jan 29, 2019


cycle oil..30wt..or car

Derbi... | Answered on Jul 08, 2018


Hi, Marshal 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 not idle unless the choke is full on and run poorly then stall, here are the following steps necessary to complete in order to get your bike back to an acceptable running condition and in the future pour in a bottle of fuel stabilizer and injector cleaner for you FI folks at least 2 times a year and before storage.
1. If your battery was 2-3 years old 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 the battery remove the leads and let it sit for a couple of hours then check the battery voltage with a voltmeter, you should have 12.5 volts or more, any readings in the 11 volt range you need to do a proper "LOAD" test on the battery and replace as necessary, you may have 12.5 volts or better but little or zero amps, any readings in the 10 volt range you have a dead cell and the battery needs to be replaced.
4. Drain and flush fuel tank if it rusty there is a cheap and easy fix. https://www.youtube.com/watch?v=fUYr_7SwGms
5. Remove and inspect your air cleaner paper elements that are not oil soaked can be cleaned with a soft brush and low pressure compressed air, oil-soaked elements must be replaced. Gause mesh and foam elements can be cleaned by soaking them in a container big enough to completely cover them with a solution of 1 gallon of water and 1 oz. of Dawn dishwashing liquid for small and medium size elements, for monster size double the formula and let soak for at least one hour then rinse with warm water shake off excess and let air dry, "WARNING" do not use compressed air as this will embed micro-sized dirt and road grime and destroy the mesh pattern and stretch foam elements out of shape just squeeze it like a sponge and let air dry, use a fan if you're in a hurry. When completely dry spray a very fine mist of air filter oil evenly around the whole element.
6. Remove the carburetors, disassemble and decontaminate with a "CARB DIP" or if you have EFI remove injectors and clean with carb spray and compressed air
7. Check intake manifold and seals for leaks and craks.
8. Remove fuel valve and filter disassemble and clean as necessary, remove, clean, and inspect fuel and vacuum lines and replace as necessary.
9. Replace spark plugs with new ones and check for spark.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Scooter Troubleshooting Scooter won start All about Scooters
Scooter won start
http://www.social-medianer.com/2003/2003-derbi-manual.pdf
Derbi ATLANTIS O2 RED BULLET 50 cc 2003 Parts
http://absolutelyscooterparts.net/pdf/CGEN_dawg_scooter_manual.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e



Derbi... | Answered on Oct 05, 2017


Hi, Luke the answer to this question is way above my pay grade for this situation, I would call or visit my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
2001 Derbi Motorcycles Prices and Model List
2001 Derbi Manhattan Price
2001 Derbi Motorcycle Photos and Specs
Question about how much 2001 Derbi GPR 50 is worth
Derbi Wikipedia

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Sep 22, 2017


Hi, Ambikaipahan I would really love to help you with your bike question but due to the magnitude of yesterday's solar flare the batteries in my crystal ball are dead and my mental telepathy headset circuitry was melted. I need the year and model of your motorcycle please click on the word "COMMENT" below and provide this information in the box that will open and then click on the green comment box in the bottom right-hand corner after it posts I will receive an "ALERT" icon that will allow me to respond to your information. Good luck and have a wonderful day.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Jul 19, 2017


Hi, Linda could not find anything remotely close my advice is to Google the word Derbi Motorcycles then add your zip code or city you live in for the closest Dealer or repair shop and go from there.
Good luck and have a wonderful day. Gregg

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Jun 02, 2017


Hi, Linda this was a tough one could not find anything on a Cross City only an owners manual on a Senda which is a cousin for more information about your question and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Derbi SENDA SM 125 4T Baja Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on May 27, 2017


Hi, Anonymous if you have changed your fuel delivery system, air filter size or flow rate, mufflers or exhaust system or a significant change in altitude your carburetors need re-tuning and if your fuel system (gas tank, filters, fuel valve and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" your not getting enough fuel.
1. Closed to 1/8 throttle is managed by the air screw and pilot/slow jet.
2. 1/8 to 1/4 throttle is managed by the air-screw, pilot/slow jet, and throttle slide.
3. 1/4 to 1/2 throttle is managed by the throttle slide and jet needle.
4. 1/2 to 3/4 throttle is managed by the jet needle, needle jet, main jet, and air jet.
5. 3/4 to wide open throttle is managed by the main jet and air jet.
6. Wide open throttle is managed by the main jet.
If you are running lean, spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug color is black or dark gray, engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. If you prefer fuel economy over performance you can go down on main jet sizes until a satisfactory level of lower performance is acceptable versus MPH, your spark plug color will be whiter and your engine will run warmer. These tuning adjustments will only make improvements if your intake and exhaust system have no air leaks or sealing issues and the entire electrical system is in proper working order and you have no mechanical issues. 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.
Carburator Theory and Tuning
My tuning Derbi DRD PRO SM 50
https://scootergrisen.dk/scooterhjemmeside/download/derbi_50cc_6speed_servicemanual.pdf
https://www.oemmotorparts.com/oem2.asp?M=derbi
Derbi SENDA SM DRD PRO 50 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Derbi... | Answered on May 14, 2017


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Derbi, despair not, for a mere zero $0 you can download another one.
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.
Derbi GPR125 Workshop Manual
https://www.oemmotorparts.com/oem2.asp?M=derbi
Derbi Technical Training 2010 125 4T 4V
Derbi Mulhacen 125 2010
Derbi Wikipedia

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Apr 29, 2017


Hi, Gary the vast majority of service, parts, and owners manuals on the internet are "FREE" to download and all service manuals contain wiring diagrams in the back pages. The rest usually charge a modest fee around $10 sometimes more and there is a handful of obscure, rare, obsolete, and very old models that are no longer or never were available, then there is eBay where you may be able to find what you need at a very high price because of its age and rarity. Most of the "FREE" manuals will cover your exact make, model, and year otherwise one will be provided that comes as close as possible to your bike and will have most of the same info that an exact manual would have.
To download your manual please click on the blue links below. Good luck and have a wonderful day.
Derbi Atlantis 50 100 4T en Screw Cylinder Engine
https://www.oemmotorparts.com/oem2.asp?M=derbi
PDF Moto Manual
Derbi Atlantis City 50 4T 2006
Derbi Wikipedia

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Apr 26, 2017


Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://lastmanuals.com/manual/DERBI/CROSS-CITY-125
PDF Moto Manual
Oil for Derbi Cross City Cross City 125 4T 2007 and after Which oil is the...

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Dec 30, 2016


Hi, Andrew you might want to check the dash wiring harness and connector for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
What causes fuel gauge problems
http://www.derbi.com/uk/images/stories/modelos/52/manual.pdf
Derbi Senda Service Manual DRD Model
http://www.derbiscooterspares.co.uk/spares/chooseModel.asp?make=Derbi

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Nov 16, 2016


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Derbi, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Derbi Technical Training 2010 125 4T 4V
Derbi SENDA SM 125 4T Baja Manual
https://www.oemmotorparts.com/oem2.asp?M=derbi
Tips Tricks

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Oct 21, 2016


Hi, Anonymous and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Discharged battery, needs to be 12.5 volts or better and be able to pass a "load" test if necessary.
4. Check the 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.
5. Bank angle sensor tripped and ignition/light key switch not cycled to the "OFF" position and then back to the "ON" position.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand or clutch pull in switch/sensor.
9. Security alarm needs a reset.
10. Starter control circuit, relay, or solenoid faulty.
11. Main fuse or circuit breaker may be blown or faulty.
12. Electric starter shaft pinion gear is not engaging or over-running starter clutch slipping.
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.
Derbi Cross City won start
1999 derbi Scooter won start need help Provoscooter com Forums
Derbi GPR50 starting problems
Derbi GP1 125 250 Workshop Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Derbi... | Answered on Aug 02, 2016

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