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Old September 12th, 2018, 02:11 PM   #1
Darksik
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Ride on rain and now won't start

How it says in the tittle, I ran my bike the Saturday in a heavy rain and now my bike won't start, the battery is OK, the cranck too, the fuel gauge is on the 2nd line, I don't think could be a gas problem, I don't know where to start I was thinking If I dry the carbs and try to start

Somebody had that problem with his ninjette?
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Old September 12th, 2018, 02:29 PM   #2
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MOTM - May '17
check for spark then make sure there is gas getting to the carbs.
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Old September 12th, 2018, 02:36 PM   #3
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Quote:
Originally Posted by taz View Post
check for spark then make sure there is gas getting to the carbs.
If the problem could be the spark, how i would realize?

I want to open the drain hole of the carbs and see if the gas is leaking from that hole to discard one option
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Old September 12th, 2018, 02:49 PM   #4
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MOTM - May '17
if you have a spare spark plug, unplug one of the wires and plug the spare into it and lay it on a good grounding spot on the bike and crank it over and and see if you see a spark. careful not to get zapped your self it smarts a fair amount.
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Old September 12th, 2018, 03:29 PM   #5
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I would check the air filter to make sure that water did not get to it and is now clogged blocking sufficient air from getting to the engine. Also check your engine oil and make sure it doesn’t look milky.
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Old September 12th, 2018, 10:15 PM   #6
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I would check the air filter to make sure that water did not get to it and is now clogged blocking sufficient air from getting to the engine. Also check your engine oil and make sure it doesn’t look milky.
I already checked and the bike still with out start
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Old September 13th, 2018, 02:39 AM   #7
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MOTM - Nov '17
Use hair-dryer on all wiring
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Old September 13th, 2018, 08:21 AM   #8
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Use hair-dryer on all wiring
Even if the bike is trying to start? Because yesterday y realize the fuel filter is empty an even switching to PRI it don't fill, I think the problem could be some vacuum issue
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Old September 13th, 2018, 08:26 AM   #9
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MOTM - Nov '17
or out of gas?
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Old September 13th, 2018, 08:29 AM   #10
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Is the tank clean inside?

Can you see the screens on the petcock to confirm they look good?
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Old September 13th, 2018, 08:46 AM   #11
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or out of gas?
The tank is 30% full, I don't think the water can pass where you put gas
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Old September 13th, 2018, 09:16 AM   #12
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Is the tank clean inside?

Can you see the screens on the petcock to confirm they look good?
I don't understand about the screen on the petcock
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Old September 13th, 2018, 09:38 AM   #13
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Quote:
Originally Posted by Darksik View Post
I don't understand about the screen on the petcock
There are some photos in this section that show it - https://faq.ninja250.org/wiki/Rebuil...tcock/fuel_tap

They are strainers that stop any large particles in the tank from continuing on to the carbs.

Also check for this - https://faq.ninja250.org/wiki/How_do...fuel_filter%3F

The small inline filter (about 1/2 way down on the page) that is inside the fuel line at the carb inlet.

If either are restricted you won't get adequate fuel flow.
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Old September 13th, 2018, 10:17 AM   #14
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MOTM - Nov '17
direction of small in-line filter is important.
The open-end is aimed towards gas-tank.
The closed pointy end is aimed towards carb.
If you put it in backwards, it will get crumpled and inverted by flow.
It will then block fuel flow


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Old September 13th, 2018, 09:06 PM   #15
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Quote:
Originally Posted by DannoXYZ View Post
direction of small in-line filter is important.
The open-end is aimed towards gas-tank.
The closed pointy end is aimed towards carb.
If you put it in backwards, it will get crumpled and inverted by flow.
It will then block fuel flow



Well, the weird thing is i put correct the fuel filter, but now won't pass gas inside the filter, maybe i need to reemplace?
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Old September 13th, 2018, 09:55 PM   #16
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MOTM - Nov '17
Filter is probably coated with debris.

As test, try without filter. Does it work?

Replace with new filter.

I prefer to use small VW Bug style filter. Buy 10 for about U$D 2.00
https://www.aliexpress.com/item/Car-...846566568.html
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Old September 13th, 2018, 10:11 PM   #17
Darksik
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Quote:
Originally Posted by jkv45 View Post
There are some photos in this section that show it - https://faq.ninja250.org/wiki/Rebuil...tcock/fuel_tap

They are strainers that stop any large particles in the tank from continuing on to the carbs.

Also check for this - https://faq.ninja250.org/wiki/How_do...fuel_filter%3F

The small inline filter (about 1/2 way down on the page) that is inside the fuel line at the carb inlet.

If either are restricted you won't get adequate fuel flow.

I Dont think is a petcock problem, i would try to make a "jump start" because i already ccleaned the air filter, sparks, drain the air filter box and the bike won't start
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Old September 15th, 2018, 04:28 PM   #18
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UPDATE

The problem was the spark plug, the mechanic says the problem was the spark, because i put irridium spark plugs cr8eix, and the mechanic told me, that irridium spark plugs are bad for the ninja because the bikes are "old" and the mechanic put a normal spark plug and the bike work fine
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