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post #1 of 14 (permalink) Old 02-15-2018, 09:00 PM Thread Starter
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engine cut out

Hi all.

Story.
Picked up the 2003 F4 from my mechanic in the morning. All fine.
Leave, yellow fuel light goes ON, ok need petrol. Fine.
Get petrol and make my way to the freeway. Fine.

Hit peak hour traffic. Ok. Took 40 min to get through traffic.
Temp on bike ranging from 99-106. Fine.

Finally get open freeway, engine cuts out.
Pull over. try to restart no luck. Power on dashboard all working fine.
Wait a couple of minutes, starts & away I go home. All sounding good.

Any suggestions: Block fuel?? was bike running to hot before???

Thanks


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post #2 of 14 (permalink) Old 02-16-2018, 03:54 AM
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Quote:
Originally Posted by ddmv View Post
Hi all.

Story.
Picked up the 2003 F4 from my mechanic in the morning. All fine.
Leave, yellow fuel light goes ON, ok need petrol. Fine.
Get petrol and make my way to the freeway. Fine.

Hit peak hour traffic. Ok. Took 40 min to get through traffic.
Temp on bike ranging from 99-106. Fine.

Finally get open freeway, engine cuts out.
Pull over. try to restart no luck. Power on dashboard all working fine.
Wait a couple of minutes, starts & away I go home. All sounding good.

Any suggestions: Block fuel?? was bike running to hot before???

Thanks
Sounds like the fuel hose has popped off your fuel pump in the tank.Grab a torch and have a look.


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post #3 of 14 (permalink) Old 02-16-2018, 06:43 AM
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Quote:
Originally Posted by mitchy View Post
Sounds like the fuel hose has popped off your fuel pump in the tank. Grab a torch and have a look.
But it wouldn't have fixed itself, and he started and rode home after a short wait. ???

Very strange. Have you ridden since? Starts and runs OK after you got home?

When it stopped briefly was the engine cranking with the starter, just not firing?

Many questions, no answers.......

I used to be fast....now I just dream about it.
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post #4 of 14 (permalink) Old 02-16-2018, 10:44 AM
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Possibly the gas tank breather blocked? Try riding and then opening the gas filler. If there's a vacuum, inrush of air/pop, then that's the problem.

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post #5 of 14 (permalink) Old 02-16-2018, 01:16 PM
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Originally Posted by Bumpkin View Post
Possibly the gas tank breather blocked? Try riding and then opening the gas filler. If there's a vacuum, inrush of air/pop, then that's the problem.
Fuel pump on an MV F4 will ignore the tank vent and just implode the tank with vacuum while you ride along. I was thinking the same thing, but I have seen F4 tanks sucked in by blocked vents..

I used to be fast....now I just dream about it.
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post #6 of 14 (permalink) Old 02-16-2018, 11:04 PM
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Quote:
Originally Posted by esq'z me View Post
Fuel pump on an MV F4 will ignore the tank vent and just implode the tank with vacuum while you ride along. I was thinking the same thing, but I have seen F4 tanks sucked in by blocked vents..
Sorry Ed,I rushed reading the post and didnít absorb the last sentence.


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post #7 of 14 (permalink) Old 02-17-2018, 05:43 AM Thread Starter
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Hi all.

Thanks for all your replies.

Also going for a ride & see how it runs.
When the bike lost power that day, did tried to crank over, and finally statred after a couple of minutes.

Anyway keep you all posted.

Thanks
again


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post #8 of 14 (permalink) Old 02-17-2018, 08:24 AM
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Quote:
Originally Posted by ddmv View Post
Picked up the 2003 F4 from my mechanic in the morning. All fine.
What was on the mechanic's list of things to do?

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post #9 of 14 (permalink) Old 02-17-2018, 05:51 PM
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maybe sidestand switch. as they start to go bad, sometimes just flicking the stand up and down a couple times lets you start the bike...

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post #10 of 14 (permalink) Old 02-18-2018, 07:05 AM Thread Starter
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Hi all.

Well went on a 250Km ride today.
Went on freeway,country roads,city streets. In traffic, and clear roads.

Had it on reserve/full tank.
And nothing. Was a great day out, no issues, nothing. Bike running fine.

Was at the mechanic for fork seals & battery check last week.

So will need to keeping riding until it happens again.
Anyway thanks all for the input/help.

cheers
dino


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