Question about 2011 Yamaha PW80

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What do u think it will be if my pw80 motorbike starts buts but cuts out after hard braking

Starts but cuts out after Hard braking causing my pw80 motorbike to skid not sure whether driver has pressed the gears whilst braking if so what do you think it could be

Posted by Anonymous on

1 Answer

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  • Yamaha Master
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Hi, Anonymous 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. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. 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.
Dirt Rider Magazine
Advice My Son first bike PW80 Page 2
YAMAHA PW80 Owner Service Manual
OEM parts for Yamaha
YAMAHA PW80 Owner Manual

Posted on Jan 01, 2017

4 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

rockitman187
  • 2559 Answers

SOURCE: my dt125 starts but when i put it in gear it cuts out

SOUNDS LIKE IT COULD BE THE SAFETY SWITCH FOR THE KICK STAND ,IF THE SWITCH HAS BEEN DAMAGED IT WILL START UP FINE AND WHEN PUT IN TO GEAR AND CLUTCH IS RELEASED IT WILL DIE.(This is a safety feature)

If that don't fix,Please post back

Please rate this fixya solution

Posted on Jan 23, 2009

  • 1 Answer

SOURCE: hard to start cutting out 2007 r1

hi, if the 2007/2008 r1 spins fast but chgs and has to be coakst with the throttle to keep running and cuts out when the throttle is closed then it maybee due to the battery, i have fixed lots of them now afterm much fault finding by fitting a new genuine or yuasa battery. The problem is that all the power is being used to spin the engine and even once started there is not enough voltage to fire the spark and injectors properly and the charging system has not yet been able to pull the battery up. REPLACE THE BATTERY IT WILL SORT IT, PAUL (YAMAHA DEALER)

Posted on Feb 14, 2010

  • 34 Answers

SOURCE: my yamaha pw80 wont tick over

make sure enough petrol is getting to your carb, check the fuel line going from your tank to the carb make sure it is completely free nothing bloacking it t all, nd if that does not work buy some carb cleaner :)

Posted on Aug 01, 2010

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1 Answer

HI, My Sons PW80 starts fine but will not go into gear!


Hi, Phillip you may need a proper clutch adjustment 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 Yamaha, 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.
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Replace the brake power booster if the connection's fine, which would fix the hard brake pedal problem.

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Apply tension to the pad and see whether you hear a pop. If you do, the brake pad is moving too much on the bracket. Replace the caliper. This could help the hard brake pedal.

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Hi, Barry "ABSOLUTELY" 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 Yamaha, despair not, for a mere zero $ 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.
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