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Old 05-22-2013, 07:51 AM   #5956
Ed@Ford
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Quote:
Originally Posted by XR4EVER View Post
Interesting, how almost every one of them has junk piled in front of the oil cooler....
Not an issue?
Edit: Just watched the video... it only looks that way in the pic. Only 2 of them have the cooler blocked in some way.
I have an XR's Only oil cooler thermometer...taking off my fender mounted tool pouch made a difference in my oil temps in hot weather
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Old 05-22-2013, 08:34 AM   #5957
DrLewall
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I have an XR's Only oil cooler thermometer...taking off my fender mounted tool pouch made a difference in my oil temps in hot weather
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Old 05-23-2013, 01:21 PM   #5958
mark1150
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Please help as this problem is driving me insane!

Hi Guy's,
My XR400 seems to be smoking a fair bit from the exhaust.
Now here's the story I was riding out with my son last weekend, and she started up OK hot or cold with no issues.
After about 35 miles I stopped for a cigarette break and decided to quickly check the oil level, and found none on the dip stick, so I stuck in a litre of oil, but still not regestering.
25 miles later still no smoke, but still no oil regestering on the dip stick, so another litre and still no oil regestering but them she starts smoking like a train on the over run, it's only supposed to have 1.7 litres right? and there must have been oil in there from the get go or it would have seized or rumbled etc.
Now I am as sure as anyone can be that there was oil in it to start with, and no oil leaks, so could it be that the oil is so clean that we cant see it and have over filled it?
Also the choke started to play up on the trails, i.e. switching it's self on while riding, which in it's self is sort of counter intuative because in effect it's working it's way upwards, so I zip tyed it in the off position.
Could it have overfueled?

The bike has about 8000 Km's = 6000 or so, I had it in a garage and compression is spot on , and she is down about 2 bhp (with enduro tyres) from the standard output on the dyno.

Air filter clean and oiled, I even concidered running without it but didn't want to suck in trail dirt.

Can I dye the oil to be sure of oil levels, I was thinking food dye? or just measure 1.7 litres and refill her from empty and see what happens?

I can't afford to blow her up, and the problem is getting to be the equivalent of a tooth ache, allways there and allways nagging.

Thanks in advance for your help.
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Old 05-23-2013, 01:28 PM   #5959
FSRIDER
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My choke was doing the same thing. check to make sure the screw is tight at the pivot point. There is a detent for each position and if its loose it will want to shut its self.
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Old 05-23-2013, 01:49 PM   #5960
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Originally Posted by mark1150 View Post
Hi Guy's,
25 miles later still no smoke, but still no oil regestering on the dip stick, so another litre and still no oil regestering but them she starts smoking like a train on the over run, it's only supposed to have 1.7 litres right? and there must have been oil in there from the get go or it would have seized or rumbled etc.
Checking the oil on these bikes is always a bit weird, and I'm 90% sure you overfilled. Draining/refilling is your best bet. For checking the oil in the future, you wanna warm up the bike and putt around at low speed for a minute or two, then let the bike sit a minute before checking the dipstick with the bike straight up and down.
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Old 05-23-2013, 01:54 PM   #5961
XR4EVER
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....then let the bike sit a minute....
Actually, you'll want to check it immediately. The longer it sits, the more oil will/can drain out of the tube and back into the engine and give you a false reading.
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Old 05-23-2013, 01:54 PM   #5962
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I believe the owners manual says to check it at an Idle with the engine warm. Thats how I have been doing it and I've had no issues.
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Old 05-23-2013, 02:08 PM   #5963
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From the 2001 manual (note the end of step #3):



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Old 05-23-2013, 02:12 PM   #5964
FSRIDER
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hmmm. better double check mine.
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Old 05-23-2013, 04:25 PM   #5965
DrLewall
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hmmm. better double check mine.
yep..buddy friend of mine FAILED to do that and now he's looking at a whole new top end on his 400
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Old 05-24-2013, 08:04 AM   #5966
mark1150
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Thanks for all of the replies guy's it's very much appreciated.
Would you recommend the dye thing ? or to put it differently would it cause any harm? as I really would like to be able to definitivley see the oil on the dip stick, and I think that it's so clean that it doesn't show.

OR

Assuming that I'm correct is there another way of tell whether it is present?
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Old 05-24-2013, 08:11 AM   #5967
XR4EVER
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I'm not trying to be a smartass, but take the dipstick out and wipe it dry. Reinsert it. If there is oil on the dipstick it will be wet. If not, it will be dry. Am I missing something? If it is so thin that it is hard to tell, you need some thicker oil in that thing! 20-50 is recommended for summer months.
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Old 05-24-2013, 08:12 AM   #5968
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Old 05-24-2013, 02:45 PM   #5969
RideFreak
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Originally Posted by mark1150 View Post
Thanks for all of the replies guy's it's very much appreciated.
Would you recommend the dye thing ? or to put it differently would it cause any harm? as I really would like to be able to definitivley see the oil on the dip stick, and I think that it's so clean that it doesn't show.

OR

Assuming that I'm correct is there another way of tell whether it is present?
If it's present you'll see it on the dipstick.
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Old 05-24-2013, 06:09 PM   #5970
MartiniUp
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I believe the owners manual says to check it at an Idle with the engine warm. Thats how I have been doing it and I've had no issues.
Nope.
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