Milky oil

dek0ms · Jan 22, 2016

Hey guys, bit of a **** day on the old husa(08 fs650c), about an hour into the ride bike suddenly started running really rough. Stopped for a beer at the pub but that didn't fix it, nursed it back home and have noticed some milky oil running down the front of the engine, i thought head gasket but oil seems to be coming from above there. it doesn't look oily in the level glass. Any ideas where to start?

Cheers!

jmscrttndn · Jan 22, 2016

Pics or it didn't happen.

Milky = water pump seal is gone (perhaps)... but maybe not in your case...

Leaking = different problem.

These two combined suggest an issue in the head whereby the coolant and oil are mixing.

Your description isn't quite adequate to present a solution. The (exact) location of the leak will be a key clue here.

Taffy · Jan 22, 2016

I think the two may be separate or indirectly connected.

you are possibly weeping oil due to the oil trap hose splitting. so check this. the other thing it might be is the neck that it fits onto on the rocker cover. this can unwind.

then agaui, if for some reason your enginbe has had a bit of a catastrophe and it's running poor and trying to throw oil out the top it might be that there is excessive oil now finding that tiny split.

regards

Taffy

dek0ms · Jan 22, 2016

Cheers guys, I didn't have time to have a good look when i got in so will get the tank and plastics off after work and take some pics. Hopefully noting too major ad it's summer here and everyone's riding every day!!

Cheers
Andy

jmscrttndn · Jan 22, 2016

dek0ms said:
it's summer here and everyone's riding every day!!

It's pretty warm here too:

Warm Weather

Palle · Jan 22, 2016

jmscrttndn said:
It's pretty warm here too:

Warm Weather

We are riding as well.

husabutt · Jan 22, 2016

I don't know how you guys do it. It freaks me out a bit knowing that just going outside without the right clothes can kill you.

We are in the dead of winter too http://www.weather.com/weather/today/l/92025:4:US

jmscrttndn · Jan 22, 2016

husabutt said:
It freaks me out a bit knowing that just going outside without the right clothes can kill you.

It freaks me out thinking of all the things in CA that can kill you:
-Spiders
-Snakes
-Gangs
-Cops
-Etc.

In good fun...

husabutt · Jan 22, 2016

jmscrttndn said:
It freaks me out thinking of all the things in CA that can kill you:
-Spiders
-Snakes
-Gangs
-Cops
-Etc.

In good fun...

So true.

Not to mention earthquakes also.

tourist · Jan 22, 2016

I hope this isn't too off-topic

Slóðavinir enduro club go ride in Þykkvabær and some other places...

http://i.imgur.com/ZjbwZ2K.jpg
http://i.imgur.com/jXVEfNy.jpg
http://i.imgur.com/UVfnlZZ.jpg
http://i.imgur.com/6EAUwri.jpg
http://i.imgur.com/JOhAAto.jpg

(Should be a 'Berg in most of pics ...)

Palle · Jan 23, 2016

Should be a rallye rb on iceland.

Palle · Jan 23, 2016

husabutt said:
I don't know how you guys do it. It freaks me out a bit knowing that just going outside without the right clothes can kill you.

We are in the dead of winter too http://www.weather.com/weather/today/l/92025:4:US

This is my backside of The house. So its not very far off for a warm sauna or some warm chokolate. And you Will only get a rly cold face. Maybe some toes When not riding.

dek0ms · Jan 30, 2016

So leaking was coming out of a split breather pipe. There's also a snapped valve spring in there. Am now stuck with getting the cam chain off, do I need to split it? Or do both the cam bearings come off which will give you enough angle to get the chain off? Or undo the bottom cog that the cam chains on? Sorry can't figure out how to send photos?

Cheers guys!

Kayeffess · Jan 30, 2016

Unless there is a split link, I think you have to cut it.

dek0ms · Feb 2, 2016

Awesome thanks, are the owners documents for an 08 aswell? Are the engines from 04 to 08 pretty much the same?

Cheers

tourist · Feb 3, 2016

dek0ms said:
Awesome thanks, are the owners documents for an 08 aswell? Are the engines from 04 to 08 pretty much the same?

Cheers

The manuals are pretty similar from '04-'08. As far as I know, the service manual was the same from '05 to '08. If certain manuals aren't in the User Manuals section on here, check this: https://drive.google.com/drive/folders/0B_X2MDkeGC0hNDRubmdrOEV2Rms

Most everything should be there, courtesy of forum members.

dek0ms · Feb 6, 2016

Awesome thanks! So I've never done a rebuild on a 4 stroke before, the valve spring was broken when I opened it up so I'll be replacing all the valve springs, what else should I be replacing while I'm in there? Head gasket, cam chain, cam bearings, valves, piston? Any good upgrades to do aswell? It says on the owners doc to put dual valve springs from a 4 50 sx in, will they work in the 08?

Thanks for your time!

Milky oil

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