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Message started by heroicseven on 03/23/12 at 19:01:53

Title: Has this ever happened to you?
Post by heroicseven on 03/23/12 at 19:01:53

I was riding down I5 doing about 75 for 20 or so miles when all of the sudden I felt a cut of power and if felt like my bike was running on bubbles.

A few seconds after the cut in power, I got a surge of power followed by multiple consecutive backfires. Being a new ride, this freaked me out big time, so I threw on the blinker and made it to the shoulder.

After hitting around 50 or so the problem seemed to correct itself, so I maintained that speed and hit the exit. Parked. Looked for any noticeable damage or anything that would cause this, but nothing.

I started it back up to see how it sounded, all normal. Put it in gear and made it to my destination.

Upon filling up for my return home i noticed that my foam air filter was soaked with fuel. After filling up i could not maintain idle with petcock set to run, but when i switched to reserve everything was fine.

Sorry for the novel, but any ideas on what could be the problem?

Title: Re: Has this ever happened to you?
Post by verslagen1 on 03/23/12 at 19:09:29

Your vacuum petcock is giving you the business.

could be a bad vac hose, could be it's taken a crap.

I5? where you at?

Title: Re: Has this ever happened to you?
Post by Savage_Rob on 03/23/12 at 23:34:02

62716667787573717A25140 wrote:

I5? where you at?

I'm gonna guess somewhere between San Ysidro, CA and Vancouver, B.C.

Been at both ends and quite a bit of what's in between but prefer PCH 101 to I-5 for the section it covers. At least the last time I rode any of it, back in the 80's.

Title: Re: Has this ever happened to you?
Post by Serowbot on 03/23/12 at 23:42:23

Wet air filter?... it's not the vac hose...
The vac diaphragm is leaking...

Raptor time...

See Tech section... "Test you petcock, don't just turn it to prime"...
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1251932429/1

;)....

Title: Re: Has this ever happened to you?
Post by heroicseven on 03/30/12 at 18:12:54

fuuuuuuuuuuu.... more moneys!! :( but its ok, its tool time. ::)

Title: Re: Has this ever happened to you?
Post by Boofer on 03/30/12 at 22:39:44

Yamaha part number for the Raptor petcock is 5LP-24500-01-00. About $25, if you decide to do it. No need to remove tank. Be sure to cap or plug vacuum nipple on right side of carb, and yes, a bunch of us have had that problem. :)

Title: Re: Has this ever happened to you?
Post by thumperclone on 03/31/12 at 01:04:04

yadda yadda yadda
raptor..raptor..raptor..
the whole idea of a cv carb was saftey no suck no fuel flow we are morons they got to put a sticker on the tank of the bike to tell use not to drink and ride!!!
we cant remember to turn the thingy off after riding..
(funny thumperclone has no reserve(no petcock) just in line off and on, only time i turn to off is when shes on the bumper rack headin to the hills..8 years no stuck float no probs at all from a chinesse clone of a honda ct 70..
humm

lil marvel mystery oil every other tank no petcok probs on suzi 14k
6 yr old scoot

now let a bike (or other rubber) sit for prolonged periods the rubbers are goin to rot.. ask any camper trailer owner..tread on the tires dont wear they rot

Title: Re: Has this ever happened to you?
Post by heroicseven on 03/31/12 at 20:53:42

yea I have read about the raptors, but they would put me In about the same spot. they pretty much are just a glorified prime switch to me, I am really bad about turning my bike to go.

It runs fine in prime. Fuel doesn't flow in on, but fuel definitely flows in prime and floods my carb after about 1hr or so.

So if I have to manually change the raptor I'm just gonna stick with what Ive got.

Title: Re: Has this ever happened to you?
Post by EJID on 03/31/12 at 22:18:28

323F28353339293F2C3F345A0 wrote:

If the fuel continues to flow after being shut off, your float valve must be sticking or is in need of adjustment... switching to a raptor petcock will NOT fix this problem anyways!

Title: Re: Has this ever happened to you?
Post by Serowbot on 03/31/12 at 22:41:15

Wrong,.. and wrong...

The Raptor is not a "glorified prime switch",.. and if the leak is down the vacuum line it will flood the engine and air filter without the float being stuck...
... and this is what makes the Raptor... not a glorified prime setting...
It removes the vacuum line from the circuit... and it;s potential for leaks...

Read the fricking post people... get an understanding of how the vacuum petcock works...

"Test you petcock, don't just turn it to prime"...
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1251932429/1

Title: Re: Has this ever happened to you?
Post by Oldfeller on 04/01/12 at 03:08:11

Woooooo !!!

It's April First again here on the list and it sounds like we got the third annual Raptor war kicking off here!

Heroic is definitely dissin' y'all over your petcock diagnostic skills here on April the First.

His April 1st opinion on oil recommendations a couple of threads over goes somewhat similar to this, so we know he's April Fool'n us all.

[media]http://www.youtube.com/watch?v=paw_2EJBzFs[/media]

Sounds like his motif for today's fun and games is You Tube cuts, so please reply accordingly.

;D ;D ;D ;D

So, here is my suggestion for how he should proceed to fix his issues. It is very clear, has safety notes and has everything he needs in wonderfully excruciating detail -- including putting the screws and the mounting bracket back (although you don't plan to reuse it) "because it is nice to know where it is" when it comes time to decide not to remove it because you can't use it and don't need it. (?????)

This is what the boy needs ...... a real instruction video

;D

[media]http://www.youtube.com/watch?v=irDYIr1lLuU[/media]

Title: Re: Has this ever happened to you?
Post by heroicseven on 04/01/12 at 08:23:15

haha, well I can't watch those vids untill Im home from the office, how ever, I did read the thread on testing my petcock, and will be following the steps involved. As for the raptor buisness, I am casting no stones, just enlightining you all to my ignorance of things mechanical.

Title: Re: Has this ever happened to you?
Post by Serowbot on 04/01/12 at 10:22:29

Did I blow?... yes, sorry...

Just a warning to Hero,... if you don't want go Raptor... you can run on Prime, but block the vacuum line... It's very important. Otherwise, fuel will still leak down that line...
You will lose reserve, and turning to on or reserve will be unreliable as a shut-off, but the bike will run when set to prime setting...

Title: Re: Has this ever happened to you?
Post by heroicseven on 04/01/12 at 12:13:29

THANKS! Thats what Ive got goin on now. Thinking about rebuilding the petcock now.

Title: Re: Has this ever happened to you?
Post by Oldfeller on 04/01/12 at 13:48:28

Now, Routy and Verslagen will be happy to help you rebuild that sucker.
They do it kinda like the Bionic Man, spend about 7 large and make him better and stronger and faster.

Only problem is about 3-7 years after the 7 large is spent, Arnold Schwarzenegger peels back the skin on his face and says " I told you I would be back, now I am BACK !!"

(the same problems you are having now will reoccur because they are inherent to the construction of the vac petcock unit)

So far, no issues have recurred associated with the raptor petcock replacement other than the occasional float valve malfunctions which happen completely independent of the petcock (but that are supposedly covered by a properly working vac petcock unit when the bike isn't running ..... but then they flat drive you nuts when it is running anyway)

Without the vac petcock on the scene to muddy up the waters, the stuck/leaking float valve shows itself very clearly the first time and gets fixed.

Title: Re: Has this ever happened to you?
Post by verslagen1 on 04/01/12 at 14:06:51

here's the info on the repair kit about $20

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1268804471/1