Question about Kymco Stryker 125 Motorcycles

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Hi my bike starts and runs idle no problen and revs up 2 about quarter rev no problem but when the bike is about to move or any more throttle than quarter the bike splutters and dies but if i let the throttle out again its ok plz help what could it be

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  • 46 Answers

Try changing the spark plug first and clean the air filter.

Posted on Sep 24, 2011

  • Dolf Apr 14, 2014

    Make sure the choke cable is not stuck and put in fresh gas. If the fuel is old it will cause this problem.

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6ya6ya

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Hi there,
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Posted on Jan 02, 2017

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1 Answer

When to adjust idle


If you can keep the bike running long enough to get it warm with and with no choke then that is when you should adjust the mixture,
First though start by adjusting it cold so the screw is set at about 1.5-2 turns out then run till warm set idle at around 1500 revs and adjust until it just starts to lift the revs then back off a quarter turn

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Wont hold an idle revs up and down


Hi, Anonymous and the usual suspects are:
1. Extremely lean fuel mixture.
2. Dirt, rust, water, or ethanol sludge in the fuel system.
3. Sticky throttle cables.
4. Multiple carburetors not in synchronization.
5. TPS sensor out of adjustment or faulty.
6. Wrong spark plugs for the type of service.
7. Throttle bodies not in synchronization (FI)
8. Faulty O2 sensor.
9. Clogged, stuck, or faulty IAC valve.
10. Aftermarket components not compatible with ECM.
For more information about your issue please click on the blue links below. Good luck and have a wonderful day.
How To Fix 5 Common Bike Issues RideApart
http://www.thegsresources.com/_forum/showthread.php?181491-Bike-in-idle-and-rpm-s-go-up-and-down-then-stall
Total Motorcycle Forums
You wont get this engine revs by itself
Symptoms of Lean or Rich carb settings on motorcycle

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

Apr 10, 2017 | Motorcycles

1 Answer

2005 Honda CBR 125 R high idle


Hi, Daniel and the usual suspects are:
1. Throttle cables improperly adjusted, pinched or need lubrication.
2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak.
6. Fast idle choke ramp is not releasing.
7. Broken throttle return spring.
8. Damaged diaphragm or slide.
9. Faulty MAP, TPS, ATS, O2, sensors or wiring/connector.
10. Multiple carburetors not in sync.
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.
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Honda CBR125R Owner Manual service
http://www.partsfish.com/page/oem-parts-for-honda
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Jun 06, 2012 | 2005 Honda CBR 125 R

1 Answer

Honda CBR 125 R will high idle


Hi, Michael and the usual suspects are:
1. Throttle cables improperly adjusted, pinched or need lubrication.
2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak.
6. Fast idle choke ramp is not releasing.
7. Broken throttle return spring.
8. Damaged diaphragm or slide.
9. Faulty MAP, TPS, ATS, O2, sensors or wiring/connector.
10. Multiple carburetors not in sync.
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.
http://www.motorcycleforum.com/59-motorcycle-repair/177322-honda-cbr-125r-high-idle-reving-intermittent.html
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Honda CBR125R Owner Manual service
http://www.partsfish.com/page/oem-parts-for-honda
Honda CBR125RW Owner Manual

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

Mar 29, 2012 | Honda CBR 125 R Motorcycles

1 Answer

Need instruction on how to adjust carberator


Adjusting carbs on chainsaws is not to be taken on lightly, there will normally be three screws, an L screw, an H screw, and an idle scre, the L screw will increase the fuel mixture from idle to half throttle ( they are fuel screws not air screws ) the H screw will adjust from half throttle to maximum revs, start with a base setting of between one turn and one and a half turns out, start the saw and warm through, allow it to idle, if need be increase the idle screw to get an idle, turn the L screw in slowley, the revs will increase as the mixture leans off, it will reach a point where it starts to die, now back it off a quarter of a turn, blip the throttle, the saw should pick up clean, if it has a flat spot increase the L screw slightley, now set the idle so it idles without the chain moving on the bar, now screw the H screw in to get full revs, be aware this should be set with an engine rev counter, do not exceed the manufacturersmax revs, hobby saws normally run at about 12500 rpm with an idle speed of 3000 rpm.

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1 Answer

Have a 2003 yamaha v star classic 1100. After about 10 miles when stopping at a light the revs go high until the bike comes to a complete stop.After stopping the revs drop to normal.Another thing I noticed...


Hi, Eugene_imric and the usual suspects are:
1. Throttle cables improperly adjusted or pinched.
2. Idle adjusting screw needs to be backed off.
3. Intake system air leak.
4. Fast idle choke ramp is not releasing.
5. Broken throttle return spring.
6. Damaged diaphragm or slide.
7. Faulty MAP, TPS, ATS, O2, VSS sensors or wiring/connector
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.
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http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

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

Sep 17, 2011 | 2003 Yamaha V Star 1100 Classic

2 Answers

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Sounds to me like one of three possible problems, or some combination of them.

1) Loose or damaged vacuum hose to the MAP sensor. Check all the hoses to your throttle bodies.

2) Bad O2 sensor. Use multimeter to check or take to the dealer (or buy and use Tuneboy.)

3) Throttle Bodies need to be synced. Again, requires trip to dealership

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1 Answer

Won't idle until it is warmed up


Depending on the type of intake system, if it's a normally carburettored bike, there is an air mixture screw on your carby(s). Set this screw at one and one half turns out from being screwed to stop. Run bike till it is warm and set IDLE screw or throttle stop at optimum idle revs. Without using choke or throttle, turn the air mixture screw slowly in or out till revs build to highest level. Reset idle screw or throttle stop to set revs back down to optimum level as before. If this does not cure your problem, depending on if it's a 2 or four stroke, single or multi cylinder engine your problem may be one of many from fuel ratio, valve rocker clearance, ignition, plug range etc....specify make/model for proper info.
Cheers

May 19, 2010 | Motorcycles

2 Answers

High revving


culd be sucking air in the intake boot, or the throttle cable is tight or has a fray.

Apr 04, 2010 | 2004 Yamaha YZ 250 F

2 Answers

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Jun 28, 2009 | 2002 Yamaha TT-R 250

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