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General Category >> Rubber Side Down! >> Where is OFF on the petc0ck?
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Message started by tank_you_jeebus on 03/10/07 at 12:52:25

Title: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/10/07 at 12:52:25

I think its called that, anyways mine says RES, PRI, and ON. When reading the clymer manual for how to take off the fuel tank it says to put it on OFF. Would that be this position? This is with the arrow pointed at PRI.

http://w2.bikepics.com/pics/2007/03/10/bikepics-825465-full.jpg

Any other gotchas with removing the fuel tank on a 2001 Savage? I'm trying to get to the carb to rejet which I assume I'd want to take it completely off and work with it on a bench.

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/10/07 at 13:04:41

There is no off possition, to take the tank off, put the petc0ck in the on possition. If you have it on prime as soon as you pull the fuel line you will get fuel pouring out. In the on possition, the fuel will not come out because it is vacuum operated. The only fuel that will come out is what is already in the line.

You can actually rejet with the carb still on the bike, unless you haven't replaced the bowl screws with stainless allen heads, then it would be best to take the carb off and replace the screws while you are at it.

Title: Re: Where is OFF on the petc0ck?
Post by Phelonius on 03/10/07 at 13:17:20

Many Jappanese petcocks with this type of valve will leak down anyway after you remove the tank. My solution to the problem has been to leave the rubber hose attatched to the petcock and pinch it off with a hemostat while you do the work. A hemostat is one of those things that look like a cross between scissores and tweesers with a locking catch to keep them closed. They can be had at most hardware stores or auto parts stores as clamps. A small pair of vise grips works as well.
My own first choice is, when available, to change it over to the old fashoned manual kind of petcock at first opportunity. This also prevents flooded engine when the automatic one gets old and leaks.
The automatic petcock is basically an undependable solution to a non existant problem.

Phelonius

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/10/07 at 13:57:42

Thanks, whats the PRI position for then?

Title: Re: Where is OFF on the petc0ck?
Post by justin_o_guy on 03/10/07 at 14:00:27

When ya stick the carb back on the bowl will be empty. Bike, she no run a too good that way, ya know? So, put it on prime & the bowl will fill without cranking the bike for an hour.

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/10/07 at 14:01:42

PRI means Prime, it basically primes your carb by letting fuel flow freely into it before startup. If you leave it on prime, you can very effectively flood the thing.

It does come in handy after carb work to refill the bowl without having to sit there and crank and crank and crank and crank.

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/10/07 at 14:02:25

seems we cross posted Justin. ;D

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/10/07 at 14:04:46

Right on thx guys. Yeah I need to remove the carb becuase I am going to be installing the SS allen head screws.

I got a dynojet kit so I need to install the needle and the new jet.

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/10/07 at 14:09:46

No problem, you'll find alot of folks on this site are more than willing to answer questions and give advice. Good luck with the rejet.

By the way, we also like updates on the work performed. ;D ;D

Title: Re: Where is OFF on the petc0ck?
Post by justin_o_guy on 03/10/07 at 14:21:14

Yea, yea, yea, finally a question I can answer & along comes a BIG Buttinski to steal my thunder...

You did explain it better,,

I'm just kiddin,, I am kinda stuck in the house & lettin off steam,, no offense I promise..

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/10/07 at 14:28:56

I know the feelin'. I too am stuck in the house with nothin' better to do.

Title: Re: Where is OFF on the petc0ck?
Post by justin_o_guy on 03/10/07 at 15:07:43

I'm startin to feel just a biit better. Goin out to the garage & pulling the carb. One step at a time, then come back in & sit a while..

Do I have to pull the battery to get the carb out? I want it in my hands, not down there on the bike, I can;t work all scrunched up like that,,

Wow, it just occurred to me, there is a raised deck out in front, I could park nect to the railing & stand on the ground & be working at about chest height. As long as I just tilt the carb I wont have to work from the other side? Maybe?

What happens if there is no washer under the main jet? Will it be rich>?

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/10/07 at 17:08:18

I never pull the battery to get the carb out, but it is a pain in the butt trying to twist and turn the carb to get it free. Word of advice. Take off the choke knob, I acidentally bent mine the last time I pulled the carb during all the wisting and turning.

I never really paid attention on whether there was a washer under my jets when I rejetted, all I know is I unscrewed the old jets and screwed in the new and it works perfectly. (especially since I finally patched that hole in my header pipe)

Title: Re: Where is OFF on the petc0ck?
Post by Starlifter on 03/10/07 at 20:11:05

Hey Phelonius, I'm a product of the 60's...a hemostat is for smoking roaches. ;D

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/10/07 at 21:16:01

One last question before I undertake taking out the carb, should I drain it from the screw on the bottom? I mean when I open up this thing what am I expeting? Personally I feel like I'm going to unscrew the top and a bunch of pieces are gonna fall out and I'm gonna say "oh sh**".

Took the fuel tank off and now I'm staring at this think and its staring back and looks quite intimidating. I've read quite a bit from many posts so I should be prepared.... (Famous last words).

Title: Re: Where is OFF on the petc0ck?
Post by Greg_650 on 03/10/07 at 21:26:59

tank_you_jeebus wrote:

Boy, it sounds like you're not getting any help from that manual :P

Well, actually when you unscrew the top, it might act like a jack in the box. You have a long spring in there ;D

Yep. You can drain it on the bottom before you remove it. That's a good idea. If you don't and then you turn the carb upside down the gas will surprise you by gushing out of those 2 long vent lines.

Diving right in there is the way I get past those famous last words....AAhhhhh....(that's mine)

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/11/07 at 09:42:43

Dude, this think is impossible to get out with the battery box there, due I just use my guns and free it with brute force? Or is there a "trick" to getting this thing out...

-B

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/11/07 at 10:00:15

Well I got it out with the battery boc still in place, but it was a wrestling match. I have a feeling its gonna be just as hard ot get back in...

Title: Re: Where is OFF on the petc0ck?
Post by YonuhAdisi on 03/11/07 at 10:05:12

tank_you_jeebus wrote:

Well I got it out with the battery boc still in place, but it was a wrestling match. I have a feeling its gonna be just as hard ot get back in...

Trust your feelings tank. ;D ;D

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/11/07 at 10:10:19

Gr8! :-/

Just sprayed some WD40 on the screws to hoepfully loosen them up so I dont strip em, after reading all the horror stories...

Thanks again everyone.

Title: Re: Where is OFF on the petc0ck?
Post by Greg_650 on 03/12/07 at 05:13:38

If I remember correctly, if you just remove the rubber intake mount screws, you can slide the carb out sideways (all as one) off the head and the air box snorkel.

Might want to use a little grease on the o-ring to hold it in place during the reassembly.

Don't forget to loosen the throttle cable retainer on the front left side too.

Title: Re: Where is OFF on the petc0ck?
Post by tank_you_jeebus on 03/12/07 at 10:29:49

Thanks Greg, yep I did just that. Got it open yesterday and changed the needle with the Dynojet needle, and put on the 144 main jet as per the instructions. Hoefull yhtat will be enough for the Dyna muffler I put on. Now I need to reassemble and then screw out the idle/mixture screw and get that tuned and (fingers crossed) the thing will start.

-B

Title: Re: Where is OFF on the petc0ck?
Post by Reelthing on 03/12/07 at 16:26:58

justin_o_guy wrote:

What happens if there is no washer under the main jet? Will it be rich>?

Rich is an understatement as lack of the washer may very well let the needle jet tube pop up and then you got a great big hole going from the bowl to the intake

Title: Re: Where is OFF on the petc0ck?
Post by Greg_650 on 03/12/07 at 18:02:47

Reelthing wrote:

Rich is an understatement as lack of the washer may very well let the needle jet tube pop up and then you got a great big hole going from the bowl to the intake

Yep. Wouldn't want your jet needle and needle jet doing their own thing. There are different size main jets but they all need a washer.

Title: Re: Where is OFF on the petc0ck?
Post by Savage_Rob on 03/13/07 at 05:34:29

In the Frame and Chassis Photos thread in the Tech Ref forum, Greg posted this some time back. Anything requiring vacuum would be OFF when the bike is not running, providing the petc0ck is functioning properly.

http://suzukisavage.com/images/uploaded/Petc0ck02web.jpg