blew somthing in motor?

slatermx
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slatermx
Edited Date/Time 4/15/2014 4:48am
I was 3rd pinned up a hill and alll the sudden my throttle didn't work and bike died when I looked at it some kinda of liquid was coming out of a bolt next to the front sprocket and the tube running from the top end down the frame




Kicks fine throttle feels fine I don't know what it is plz help
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Paw Paw 271
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Paw Paw 271 4/13/2014 6:35pm
4/13/2014 6:35pm
Need a bit more info and photos that show the issues at hand. Can't tell where you were getting this liquid out and can't see the liquid.
Is your oil level ok?
Is your coolant level ok?
Does the bike run?
slatermx
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slatermx 4/13/2014 6:53pm
4/13/2014 6:53pm
Paw Paw 271 wrote:
Need a bit more info and photos that show the issues at hand. Can't tell where you were getting this liquid out and can't see the...
Need a bit more info and photos that show the issues at hand. Can't tell where you were getting this liquid out and can't see the liquid.
Is your oil level ok?
Is your coolant level ok?
Does the bike run?
Coolant is good oil is good but does not run
Paw Paw 271
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Paw Paw 271 4/13/2014 6:58pm
4/13/2014 6:58pm Edited Date/Time 4/13/2014 6:59pm
??????? Those are the only 2 liquids in the bike engine, so one has to be low.......If not then it was a small loose of coolant when the engine over heated. ( except fuel)
What does the spark plug look like ?
Can you show a photo?
Does the bike kick over ok?
slatermx
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slatermx 4/13/2014 7:29pm
4/13/2014 7:29pm
Paw Paw 271 wrote:
??????? Those are the only 2 liquids in the bike engine, so one has to be low.......If not then it was a small loose of coolant...
??????? Those are the only 2 liquids in the bike engine, so one has to be low.......If not then it was a small loose of coolant when the engine over heated. ( except fuel)
What does the spark plug look like ?
Can you show a photo?
Does the bike kick over ok?
Bike kicks over just fine and haven't checked the plug

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slatermx
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slatermx 4/13/2014 8:03pm
4/13/2014 8:03pm


Its the tube to the left next to spark plug and the end of that tube oil shot every were??
slatermx
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slatermx 4/13/2014 8:05pm
4/13/2014 8:05pm
Paw Paw 271 wrote:
??????? Those are the only 2 liquids in the bike engine, so one has to be low.......If not then it was a small loose of coolant...
??????? Those are the only 2 liquids in the bike engine, so one has to be low.......If not then it was a small loose of coolant when the engine over heated. ( except fuel)
What does the spark plug look like ?
Can you show a photo?
Does the bike kick over ok?
Hears it again

Paw Paw 271
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Paw Paw 271 4/14/2014 6:05am
4/14/2014 6:05am
Ok, if that is the tube that the fluid came from....It's the oil breather tube.
It will blow out oil if.... Too much oil was put in the engine or if you are getting a lot of blow by from worn rings. It's not unusual to get a tiny bit out when the engine is run at very high rpms, but any more is sure signs of an issue.

How many hours on the engine from the last top end job?
harescrambled 4/14/2014 8:41am
4/14/2014 8:41am
How does it feel when you kick it through? Does it have normal compression? If you have a broken piston ring, it'll pressurize the crankcase and blow oil out the breather.
BAMX
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BAMX 4/14/2014 10:32am
4/14/2014 10:32am Edited Date/Time 4/14/2014 10:33am
Before you focus on something leaking from what is likely an overflow or breather, does it have?

Compression? Fuel? Spark? in that order based on ease to test.
slatermx
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slatermx 4/14/2014 7:53pm
4/14/2014 7:53pm
Paw Paw 271 wrote:
Ok, if that is the tube that the fluid came from....It's the oil breather tube. It will blow out oil if.... Too much oil was put...
Ok, if that is the tube that the fluid came from....It's the oil breather tube.
It will blow out oil if.... Too much oil was put in the engine or if you are getting a lot of blow by from worn rings. It's not unusual to get a tiny bit out when the engine is run at very high rpms, but any more is sure signs of an issue.

How many hours on the engine from the last top end job?
I'd say around 80
slatermx
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slatermx 4/14/2014 7:54pm
4/14/2014 7:54pm
harescrambled wrote:
How does it feel when you kick it through? Does it have normal compression? If you have a broken piston ring, it'll pressurize the crankcase and...
How does it feel when you kick it through? Does it have normal compression? If you have a broken piston ring, it'll pressurize the crankcase and blow oil out the breather.
Kicking it feels fine and the spark splugs is fine but there's also oil leaking behind the front sprocket?
Paw Paw 271
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Paw Paw 271 4/15/2014 4:48am
4/15/2014 4:48am
That sounds like a bad seal at the output shaft behind the front gear. It's easy to replace.
You may want to consider a top end job as 80 hours is a lot and that can result in blow by which can result in the engine building up crankcase pressure and blowing oil out the breather.

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