whats this hole for ?

[laviathine]

hello.this is my first post here but ive been reading over the site for a month or so.anyhow i bought a 1983 gs450ga.it has really high mileage but runs pretty strong. looks like the po didnt do any of the maintnance. i was riding around the block to see where my seepage was coming from.when i got home there was oil all over my kick stand.the seepage is at the front of the engine and is minimal.this oil was coming out of a small hole on the left side of the case that looks like it needs a plug or something.its a vertical hole with smooth curved in sides.i cant seem to find it on parts lists.any help would be much appreciated.thank you

[laviathine]

pic

best shot i could get

[mmain1]

Maybe a bullet hole?

[bwringer]

It's the Mystery Hole. Do a search with that term for more info! There's a drain hole under your starter so that the starter cavity doesn't fill up with water in the rain. The Mystery Hole is where this drain hole exits.

If oil is coming from your Mystery Hole, you likely need to replace the o-ring on the nose of your starter, or perhaps the oil is coming from further up, such as the cam chain tensioner or oil pressure sensor.

Do NOT plug the Mystery Hole.

[laviathine]

thank you very much.after looking over the other posts it seems its from when i laid it down(first fall was in my driveway after a 5 mile ride).i dont know how i missed those posts.at least ill know whats wrong if it starts leakin again.much thanks again.i love this site and use its knowledge as much as i can.

[tkent02]

anyhow i bought a 1983 gs450ga.it has really high mileage but runs pretty strong.

just curious, what's your idea of high mileage?

[BassCliff]

Greetings and Salutations!!

Hi Mr. laviathine,

Check that your petcock is operating properly. If it leaks, gasoline can make its way past the cylinders and into the crankcase oil causing an over-fill condition and diluting your oil. When you start the engine it can come squirting out of several places. You'll want to go through the maintenance lists in your "mega-welcome". Skipping any steps or taking shortcuts will cause much frustration and catastrophic failures.

Let me dump a TON of information on you and share some GS lovin'.

I just stopped by to welcome you to the forum in my own, special way.

If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....

Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Cleanup Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. This is what NOT to do: Top 10 Newbie Mistakes. Now let me roll out the welcome mat for you...



Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike!

Thanks for joining us. Keep us informed.

Thank you for your indulgence,

BassCliff

[NeyborDayfid]

Whats this hole for ?

That's what she said?

[laviathine]

mileage is not as high as i thought,darn white one always throws me off.

[laviathine]

and the bike.i love it already.

[CruisinFj60]

mileage is not as high as i thought,darn white one always throws me off.

That's nothing! My 83 GS1100E has 39k on it and runs awesome! I did about 12k last season. Could have done more, but I parked her to rebuild the front forks.