1983 Yamaha XT 250 overfilled oil

sendin

Denny from Sebastopol
Joined
Sep 19, 2014
Messages
25
Location
Sebastopol CA
Bike
2002 ST1100
I over filled and wanted to see if there is another way to remove oil other than using the oil drain plug. I think I will end up dumping more oil than I want to by using the drain plug. I tried using a small diameter soft silicone tube down the fill hole to just siphon some out, but that didn’t work. It’s probably only a cup or a cup and a half overfilled. Thanks in advance for any solutions or suggestions. Denny
 
put a clean pan under the drain plug and pull the plug. If you don't get it back in quickly enough you have fresh oil in the drain pan to put back in.
 
Slowly unscrew the drain plug, and as it pops loose, slip your thumb over the hole. With your other hand, fish around in the empty pan below the bike for the plug and let some oil out around your thumb. Screw the drain plug back in. If the drain plug bounced and landed just out of reach, you are out of luck...drain the oil as @dwalby suggested. You might consider wearing disposable plastic gloves....

Yet another reason to use a Fumoto oil drain valve, especially on a bike with a bash plate to protect it.
 
The plug on this thing is an odd Yamaha monstrosity with a spring and a strainer.
IMG_20241105_182807725.jpg
It doesn’t readily bleed oil like a normal plug and by the time you get the thing free you’ve dumped half the crankcase.

Not friendly!

I’ll figure it out and thank you for the replies.
 
What about the oil filter. I’m not familiar with this bike, but perhaps taking it out will drain a bit and doing it a few times would take more out? By turning over the engine in between filter dumps.
 
Interestingly, they have drain valves for 1100s, but not for 1300s.
I think that is a problem with their website. I just looked on the parts fiche for a 2010 ST1300 and it says the drain plug is a 14mm. However, Ron Ayers fiche does not give the pitch. If you google Fumoto 14mm valve, a bunch pop up, in 1.5 and 1.25 pitches. If you know the pitch, you can pick out the valve w/o relying on Fumoto's website. I've had to do this with a car or two as well - pick the valve by the drain hole's thread pitch and size.

That said, and even though I have put fumotos on every vehicle I own (including my VStrom, where it lives above a stout bash plate) I might think twice about putting one on the ST. Reason? The ST has comparatively low clearance and the bolt is on the very bottom of the oil pan (not ported out to the side like some cars and bikes). This reasoning (my own) strikes me as smelling a bit of paranoia - were one to bash the oil pan on an ST and rip off the fumoto, it would likely damage enough of the fairing to essentially total the bike, regardless of the damage to the oil pan and valve. Were you to hit the oil pan without a fumoto, there would still be a lot of damage. And, I say paranoia because nobody has yet reported scraping the bottom of the oil pan on this forum yet - correction - not yet reported it in a thread I have read.
 
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