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EFI Keeway Superlight 125 purge valve question?

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BERT456
L Plate Warrior



Joined: 31 Jul 2020
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PostPosted: 18:01 - 25 Aug 2020    Post subject: EFI Keeway Superlight 125 purge valve question? Reply with quote
This carry's on from a previous post of mine.
No idle, no power, backfiring when bike decides to run. Basically impossible to use!
(£2300 down the drain)
Took bike back to dealers and they spent over 3 hrs (labour cost) fault finding it. Replaced throttle body and all associated sensors,adjusted valve clearance but it still ran like sh*t.
Scared of escalating labour fees I collected bike and made it home. I wanted to double check the purge valve and charcoal canister just in case so I removed them
and tried to follow youtube vids on fault finding ect. Then I'v blocked the hose leading to the inlet manifold and tried to start bike without the purge valve and charcoal canister and it started and ran a lot better!!!
The purge valves not stuck open and I have recently overfilled the petrol tank which then leaked out through the charcoal canister when bike was on side stand?
So do bikes need these two items to run? Can they cause all these problems Iv been having?(emissions issues aside for a minute.)
Thanks for reading all this guys and any idears / tips are appreciated.
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jeffyjeff
World Chat Champion



Joined: 02 May 2020
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PostPosted: 20:26 - 25 Aug 2020    Post subject: Re: EFI Keeway Superlight 125 purge valve question? Reply with quote
BERT456 wrote:
The purge valves not stuck open and I have recently overfilled the petrol tank which then leaked out through the charcoal canister when bike was on side stand? So do bikes need these two items to run? Can they cause all these problems Iv been having?(emissions issues aside for a minute.)
Thanks for reading all this guys and any idears / tips are appreciated.

Saturating the charcoal canister can definitely affect smooth operation of the motorcycle. I overfilled junior's Sportster one time, and it ran like crap for 30 miles or so. Fortunately, I knew the cause of the poor performance was self inflicted, and so just kept riding until the cannister purged itself and the bike soon ran normally.

Sometimes the systems can self destruct over time. For example, I emptied the charcoal out of the evap cannister on my R1150R after the charcoal pack ruptured and it sucked little charcoal beads into the connecting hose and purge valve. The system plugged solid. I cleaned it all out, and the bike runs perfectly with stock emissions control (except no charcoal in the cannister).

Your bike does not need the emissions control system to run properly, and you can probably find instructions on how to remove it. If you do, keep two things in mind. 1) removal of the charcoal cannister, purge valve, etc, must not create a vacuum leak in your fuel system, else the engine will run lean. 2) the fuel tank must have a free and clear vent to atmosphere for the fuel to flow properly.
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History shows again and again how nature points out the folly of men - BOC
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BERT456
L Plate Warrior



Joined: 31 Jul 2020
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PostPosted: 07:37 - 26 Aug 2020    Post subject: Reply with quote
Thanks jeffyjeff,
glad I'v only got a little chinese 125 and not a ducati monster I'm trying to fault find!!
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Easy-X
Super Spammer



Joined: 08 Mar 2019
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PostPosted: 11:17 - 26 Aug 2020    Post subject: Reply with quote
£2300... did you buy this from new? Warranty issue surely?!
____________________
Royal Enfield Continental GT 535, Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter
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BERT456
L Plate Warrior



Joined: 31 Jul 2020
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PostPosted: 15:41 - 27 Aug 2020    Post subject: Reply with quote
Easy-X wrote:
£2300... did you buy this from new? Warranty issue surely?!


I never bothered with the services, every 6mths or 500 kilometers. I covered
5000 k since I purchased the bike last october.
I was just unlucky, was trying to save some money and it backfired!

Gonna px on a new Zontes and swallow the loss. The companys giving me a reasonable price considering it runs bad.
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