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Steve_ybr |
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Steve_ybr L Plate Warrior
Joined: 25 Aug 2016 Karma :
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Posted: 21:04 - 25 Aug 2016 Post subject: Yamaha ybr 125 running problems |
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Hi guys having issues with my ybr custom fuel injected brought it has a none runner got it running yesterday now this problem as occured it when the bike is running it will cut out randomly when the engine is hot or cold it wont rev past 4k revs at all it will just sit there in any throttle position miss firing and back firing and surging till i lay off the throttle then goes back to idle , no smoke or noises from the engine , no fault codes on the dash , i have fully serviced the engine fresh oil , plug (irridium ) and air filter changed the throttle body , spark plug , spark plug cap ,fuel injector , rewired the ignition , cleaned all the pug connectors and sensors , fuel pump is fine primes and pump plenty of fuel , fuel is fresh with half a tank , i have cleaned the coil as it was rusted , only things i can think of now is the ecu/cdi , coil , or stator plate
Video of the problem is below
https://youtu.be/bvpE5EBLpn8 |
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Steve_ybr |
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Steve_ybr L Plate Warrior
Joined: 25 Aug 2016 Karma :
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Posted: 16:09 - 26 Aug 2016 Post subject: |
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Sadly, that smacks of electrowizardry. There is a Yamaha diagnostics dongle you can buy, but I doubt it'd be cheap. ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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Steve_ybr |
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Steve_ybr L Plate Warrior
Joined: 25 Aug 2016 Karma :
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Steve_ybr |
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Steve_ybr L Plate Warrior
Joined: 25 Aug 2016 Karma :
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arry |
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arry Super Spammer
Joined: 03 Jan 2009 Karma :
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Steve_ybr |
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Steve_ybr L Plate Warrior
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arry |
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arry Super Spammer
Joined: 03 Jan 2009 Karma :
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Old Thread Alert!
There is a gap of 1 year, 265 days between these two posts... |
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Mkmechanics |
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Mkmechanics L Plate Warrior
Joined: 23 May 2018 Karma :
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Mkmechanics |
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Mkmechanics L Plate Warrior
Joined: 23 May 2018 Karma :
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Fizzoid |
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Fizzoid World Chat Champion
Joined: 06 Sep 2016 Karma :
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Old Thread Alert!
The last post was made 5 years, 331 days ago. Instead of replying here, would creating a new thread be more useful? |
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