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Twat with a Ped (2022 Sym Orbit 3 125)


Saul

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The boy came home last night complaining his ped keeps dying.    He had been for a long ride to Tavistock and back and run out of fuel during the trip.  
It’s done 15,000 km and has only had oil changes whenever I do one of my bikes as there is always enough left over to do his ped.  So the oil is always pretty clean.   Apart from the first service I don’t think it has been touched otherwise. 
Anyway it was really difficult to start and wouldn’t tick over.   Not an ideal situation in a twist and go.   First thing I did was check the valves which were tight.   Less than 0.005 mm when they should be between 0.010 - 0.015 mm I set them loose on the max measurement.    It started fine then but would still not tick over.   No idle screw that I could find (fuel injected ped) so I adjusted the cable to raise the idle enough so that it wouldn’t stall.    All seems good now.   Rideable at least so he can get to work. I’ve put a shot of Redex injection cleaner in the tank and will do it a few more times when he fills the thing.  I have ordered a service kit for it which fuzz nuts will be paying me back for also I think it will need a new drive belt in the near future so I will look into that as well.   Learning stuff about peds I never wanted to but if it keeps my useless boy in employment it sort of makes sense.  😳

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14 minutes ago, Pedro said:

Did you check compression? If he ran out of fuel while flat out …

No way of doing so at the moment.  I think it has decent compression though as it pulls pretty well when running like all peds it gets of the line well for 11bhp, I imagine if it were down on compression it would be very obvious.    Also it's a 4 stroke can't imagine running out of fuel would damage the motor like a two stroke.  

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34 minutes ago, Pedro said:

Did you check compression? If he ran out of fuel while flat out …

See you have made me paranoid now so I have just been out for a 5 mile run on it. 😉  Running without fault dragging my fat arse around.   May have to raise the idle slightly but that is as far as I reckon it needs touching.   😉

Fuck riding a ped though what a horrible thing to do 😳

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1 hour ago, boboneleg said:

Is there a tickover screw on the injector body @Saul  ?

Couldn't find one but will check again when I service it.  Priority was getting the thing rideable today so Fuzz Nuts can get to work.  😉

 

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6 hours ago, Pedro said:

Is there a conversion table for spark plugs / cookie colours?

There are different ones for different nationalities, the one for you is based on tacos.

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Had round two with the ped this morning.  Fuzz Nuts phoned me last night when he got to work and said the was no improvement when the ped warmed up.    But on the return journey he said the bike was fine all the way home but died when he got on the driveway.   So at a guess I would think the gunk is clearing through the fuel system.   And the Redex injector cleaner is doing something.  
Anyway took it all to bits this morning and got the throttle body off and as Bob said there is a throttle return screw.   But that is never moving  again unless it’s drilled out and replaced.   I tried doubled nutting it but it just did the chinesium thing and stripped the threads.   
Cleaned the throttle body reassembled everything and set the tick-over higher on the throttle cable but not high enough to move the bike.       I then left the bike running for 15 minutes until the cold start cycle finished and dropped the tick over and it didn’t stall so good enough to go for now.   I am hoping with a few more runs to and fro from work for him the bike will settle down and I can back the tick over off.   I suspect the new plug will also help.  The saga continues.  🫣
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Those throttle stop screws shouldn't really be messed with as they're set to a point that the ECU knows as throttle shut and needs specialist info and often equipment to reset.
Could be worth giving the throttle body inners a good clean as they gum up and don't fully close or let less air through.

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38 minutes ago, Catteeclan said:

Those throttle stop screws shouldn't really be messed with as they're set to a point that the ECU knows as throttle shut and needs specialist info and often equipment to reset.
Could be worth giving the throttle body inners a good clean as they gum up and don't fully close or let less air through.

It's spotless now I cleaned it up before I put it back on.  😉

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