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Old 01-07-2013, 01:49 PM   #72571
motolab
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Quote:
Originally Posted by gofast1320 View Post
Went out and eyeballed the sight glass in the sunshine a few minutes ago. No visible bubble in sight glass. SOOOOooooo looks like some fuel may have made it in there. Took spark plugs out and turned motor over and gas shot out of spark plug holes. Off to get some oil as soon as I figure out what oil to get so I can change it and will take petcock off of extra tank that came with bike and see if it works.
The primary problem is that the float needle is damaged/worn out and/or the needle seat o-ring is shrunken/hardened/deformed/cracked/otherwise damaged. There could also be a piece of debris stuck between the needle and seat, or the float could have sprung a leak and be filled with fuel, but these two possibilities are rarer than the prior.

Secondarily, the petcock may or may not be at fault as well. The way to check is to disconnect the fuel hose at the petcock and see if fuel exits the hose barb when the lever is in other than the pri position.

Regards,

Derek

motolab screwed with this post 01-07-2013 at 08:36 PM
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Old 01-07-2013, 01:56 PM   #72572
Rusty Rocket
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Quote:
Originally Posted by gofast1320 View Post
Went out and eyeballed the sight glass in the sunshine a few minutes ago. No visible bubble in sight glass. SOOOOooooo looks like some fuel may have made it in there. Took spark plugs out and turned motor over and gas shot out of spark plug holes. Off to get some oil as soon as I figure out what oil to get so I can change it and will take petcock off of extra tank that came with bike and see if it works.
"Took spark plugs out and turned motor over and gas shot out of spark plug holes."

WATCH OUT For SPARKS when turning that motor over.
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Old 01-07-2013, 04:05 PM   #72573
deathu
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Timing chain wear

Hi everyone,

I recently took the top end and cylinder out of my 1998 DR650 engine, to replace the leaky base gasket and fix oil burning issues. While I have the top end apart, I thought it's a good time to check for wear on other accessible items.
The real mileage of the bike is unknown to me - the odo says 35.000km but who can trust the odo of a bike that was purchased from Italy?

Up to this point I did not manage to find any information at all on how to check for the timing chain elongation/stretch, also this does not appear to be covered by the service manual. I suspect the real mileage of the bike may be much higher than indicated, maybe well over 100.000kms. So how does one tell if the timing chain is worn beyond service limit?
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Old 01-07-2013, 05:08 PM   #72574
YnotJP?
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I am old and could not bring myself to trust the stock petcock. I replaced it soon after I got the bike with a Pingel Petcock.
I have two hands when I turn off the bike my right hits the kill button, the left the petcock,have never forgotten to turn it off.

I have forgotten to turn it on, but then it starts to run out during warmup.

Yeah, I know, I know, but, then I have never had a watch that didn't have hands either.

My 1500 post @ 72722
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Old 01-07-2013, 06:25 PM   #72575
gofast1320
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petcock jacked up and gas in crankcase

Yep, me again. I had seen in another thread that Rotella T synthetic in the blue bottle was pretty good for DRs. I went to the auto parts store to pick up a couple of new plugs and the Rotella T in the blue jug was Rotella T6 do any of you know if they are one and the same. Oh yeah and its 5w-40. I just don't want to jack up my clutch.
Thanks
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Old 01-07-2013, 06:28 PM   #72576
ER70S-2
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Quote:
Originally Posted by YnotJP? View Post
Yeah, I know, I know, but, then I have never had a watch that didn't have hands either.

I don't even remember how to read an analog watch and I'm almost old.

Quote:
Originally Posted by YnotJP? View Post
My 1500 post @ 72722
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Old 01-07-2013, 06:34 PM   #72577
motolab
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Quote:
Originally Posted by gofast1320 View Post
petcock jacked up and gas in crankcase
Shouldn't that say "float valve jacked up and fuel in the crankcase"?

Regards,

Derek
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Old 01-07-2013, 07:25 PM   #72578
808650se
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Carb overflow on 2007 dr650se

My d650 is leaking fuel into the oil petcock
still has vacuum just siphoned last of fuel out
What should i do next
Tank off carb off??
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Old 01-07-2013, 07:36 PM   #72579
TrophyHunter
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Quote:
Originally Posted by ER70S-2 View Post
I don't even remember how to read an analog watch and I'm almost old.
I still remember the day - 23 years ago - "excuse me sir, what time is it?" me - "quarter to 10"

"What time is that on a digital watch?"

I still have the dent in my forehead from my auto-response.
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Old 01-07-2013, 07:39 PM   #72580
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Quote:
Originally Posted by 808650se View Post
My d650 is leaking fuel into the oil petcock
still has vacuum just siphoned last of fuel out
What should i do next
Tank off carb off??
Hard to tell what's happening here but my guess is you have fuel in your oil. If you siphoned the fuel out of the oil fill hole, I'd just drain the oil and start over with fresh oil.

A few possibilities if there is fuel in your oil discussed over the past few pages. I suggest reading those and see if something fits your situation. If not, maybe a more detailed description would be helpful so the folks here can help.
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Old 01-07-2013, 07:43 PM   #72581
BergDonk
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Quote:
Originally Posted by deathu View Post
Hi everyone,

I recently took the top end and cylinder out of my 1998 DR650 engine, to replace the leaky base gasket and fix oil burning issues. While I have the top end apart, I thought it's a good time to check for wear on other accessible items.
The real mileage of the bike is unknown to me - the odo says 35.000km but who can trust the odo of a bike that was purchased from Italy?

Up to this point I did not manage to find any information at all on how to check for the timing chain elongation/stretch, also this does not appear to be covered by the service manual. I suspect the real mileage of the bike may be much higher than indicated, maybe well over 100.000kms. So how does one tell if the timing chain is worn beyond service limit?
One way is to monitor the extension of the tensioner plunger. But its sort of dependant on knowing where it is with a new chain, and how far in it is that represents a problem. I don't know eitehr for the DR. I had mine out recently to service the starter and estimated it to be about half way on the plunger at 57,000 kms. No chain rattles, so OK for the moment. Not much help I'm afraid.
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Old 01-07-2013, 07:55 PM   #72582
808650se
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Quote:
Originally Posted by TrophyHunter View Post
Hard to tell what's happening here but my guess is you have fuel in your oil. If you siphoned the fuel out of the oil fill hole, I'd just drain the oil and start over with fresh oil.

A few possibilities if there is fuel in your oil discussed over the past few pages. I suggest reading those and see if something fits your situation. If not, maybe a more detailed description would be helpful so the folks here can help.
Second time i changed oil and drained fuel from airbox
Bike is second hand was sitting for awhile
had old fuel cleaned out ran great for a month before
Fuel mixing with oil and stalling
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Old 01-07-2013, 08:03 PM   #72583
808650se
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Carb rebuild

Will a carb rebuild help overflow of fuel into engine
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Old 01-07-2013, 08:10 PM   #72584
stoney4vida
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Sold my 04 DR 2 winters ago, and knew it was a mistake. Well, I'M BACK Just picked up an 05 with some nice upgrades. Man I missed ya.
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Old 01-07-2013, 08:16 PM   #72585
thumpididump
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Brilliant !



Quote:
Originally Posted by TrophyHunter View Post
I still remember the day - 23 years ago - "excuse me sir, what time is it?" me - "quarter to 10"

"What time is that on a digital watch?"

I still have the dent in my forehead from my auto-response.
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