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radddogg |
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radddogg Two Stroke Sniffer
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bikenut |
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bikenut World Chat Champion
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radddogg |
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radddogg Two Stroke Sniffer
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Posted: 12:18 - 10 Nov 2018 Post subject: Re: mioped |
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bikenut wrote: | Cleaning the fuel tank etc is a good idea said some posts ago. it is after all where the fuel is coming from.
Understand the fuel system and where all the pipes go etc..
The engine starts so that's a good sign.
So its a 2t, and the exhaust is oily ?
You will hear the reeds " play/vibrate", they are sprung flaps, you know of a saxaphone ?
How blocked is the exhaust i wonder, but go down the carb/fuel route. electric choke so there is a temp sensor somewhere. A parts book will help.
When it runs better, does the exhaust "hiss" and emit a "jet" of exhaust when the engine revs more, as if the exhaust is really fighting its way out or cant get out fast enough ??
Imaging maggy playing her sax when bart has stuck a sock in it !! | I've removed the exhaust for now. The new one should be here on Monday.
I'm going to strip all the fuel system down and blow it all through with an airline. Will get some pics. |
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radddogg |
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radddogg Two Stroke Sniffer
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radddogg |
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radddogg Two Stroke Sniffer
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Sister Sledge |
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Sister Sledge World Chat Champion
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radddogg |
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radddogg Two Stroke Sniffer
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bikenut |
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bikenut World Chat Champion
Joined: 21 Nov 2011 Karma :
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Posted: 11:03 - 12 Nov 2018 Post subject: moped |
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It may be the audio recording but is the engine making "rattly/knocky" noises.
It runs and revs pick up.
You have access to parts diagrams/exploded views ?
I assume there is no "prime" position on the vac tap ?
The vac tap must work as its letting past fuel, but the diaphragm in it may be leaky/air.
The camera is waving about a bit in the vid and some stuff is difficult to see, no smoke seen but there is some red fluid in the 2t oil tank yes?
The air hose worm drive clips seems to be in the wrong place where it clamps the air hose from the air filter to the carb intake, strangling it a bit perhaps?
Would suggest taking the carb off again and soaking it in a mixture of the red ex fuel cleaner and petrol, leave for at least a day and then test to see that all the carb passages and very small holes in the carb jets, the ones in the main jet emulsion tube etc. are all clear. Compressed air is good but you cant really see that, so try squirty carb cleaner using the small diameter tube they come with, or an oil can........the small hand ones that you pump oil from, messy I know but you will know that all the jets etc ( as the tank ) are all ok.
There seem to be 3 tubes going to the carb, one fuel, one vac to tap and one from carb body slider area to oil pump ?
You have a wiring diagram for the choke ? Or find/follow the wires from the choke ( "solenoid " ? from the carb.......... ____________________ nuts about bikes |
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radddogg |
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radddogg Two Stroke Sniffer
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pbt |
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pbt Two Stroke Sniffer
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radddogg |
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radddogg Two Stroke Sniffer
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radddogg |
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radddogg Two Stroke Sniffer
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Sister Sledge |
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Sister Sledge World Chat Champion
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cb1rocket |
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cb1rocket World Chat Champion
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bikenut |
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bikenut World Chat Champion
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radddogg |
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radddogg Two Stroke Sniffer
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cb1rocket |
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cb1rocket World Chat Champion
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bikenut |
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bikenut World Chat Champion
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radddogg |
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radddogg Two Stroke Sniffer
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bikenut |
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bikenut World Chat Champion
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radddogg |
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bikenut |
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bikenut World Chat Champion
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radddogg |
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radddogg Two Stroke Sniffer
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bikenut |
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bikenut World Chat Champion
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Old Thread Alert!
The last post was made 5 years, 152 days ago. Instead of replying here, would creating a new thread be more useful? |
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