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gavcol |
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gavcol Derestricted Danger
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jaffa90 |
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jaffa90 World Chat Champion
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Posted: 01:39 - 09 Nov 2021 Post subject: |
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I know nowt about your bike (old hat), did you find out why " some of the piston had broken and a fragment was stuck in the gears."?
Also 4 jets are better than 2 (more fuel).
Fuel pumps should be pressure tested with a breathing tank.
Also i will pass on that connector because fuel injected bikes have many.
Also how do you drive a bike. |
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A100man |
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A100man World Chat Champion
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Andy Perrett |
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Andy Perrett Crazy Courier
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gavcol |
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gavcol Derestricted Danger
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Posted: 14:07 - 10 Nov 2021 Post subject: |
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Have done so much for this over the past few days and i'm not getting anywhere.
Firstly the connector is dirtier than the other connectors that I have taken off the throttle body to check.
My throttle body has TMAP (Temp and air pressure) sensor, fuel injector, throttle position sensor and idle controller. These are the only plugs on the throttle body and they are all connected.
One of the wires goes back to the ecu pin 15, I have the 2012 workshop manual and I believe it is the same bike as the 2015. All of the ECU cables from the diagrams are present there is one extra cable in the ecu connector and it's pin 15. So i'm 95% certain this cable is for a different bike (maybe the 390 shares the same harness).
Work that i've done over the past 2 days;
Changed the Head gasket as didn't have a new one when put the engine back together, checked the timing marks line up.
removed fuel pump and cleaned pump bag. I'm pretty sure that i can hear the fuel flowing back into the tank through the return valve so it must be at the right pressure (unless that valve has broken). Injectors have been blown out from both ends and I get a really good mist out of them now up
Spark plug is brand new and has white powder on it so tried the old one.
Checked the cylinder ground wire
Ran it with no oil and no coolant (to rule out a leak). Only the once for 60 secs till it died.
All the times i'm running it is without the air filter box connected.
A bit more depth on the symptom - Start's first time fine, increase throttle to about 3k rpm, after 4 or 5 secs the revs gradually start to fall, increase throttle to maintain 3k rpm, again after 4 or 5 secs rpm starts to full, over half throttle trying to maintain 3k rpm. At this point the exhaust gasses start clouding white. The density of the smoke increases, I can hear a sucking noise from the engine and then it dies.
After all of the checks I made above the symptoms are the same.
I tried running without the TMAP sensor connected and I get same symptoms but with a flashing ecu light |
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Andy Perrett |
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gavcol |
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gavcol Derestricted Danger
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gavcol |
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Andy Perrett |
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gavcol |
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Mysteriass |
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Old Thread Alert!
The last post was made 2 years, 158 days ago. Instead of replying here, would creating a new thread be more useful? |
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