SuzukiSavage.com - Raptor Wars: A Chapter on the Raptor

heroicseven Full Member Offline oops, I broke it. Posts: 245 San Diego Gender:	Re: A Chapter on the Raptor........ Reply #15 - 07/02/12 at 01:24:20 +1
Back to top	00' raptor - supertrapp - 52.5 - 155 - half spacer - versaved IP Logged

tarkm812

YaBB Newbies

Offline

SuzukiSavage.com
Rocks!

Posts: 39
Long Island
Gender: male

Re: A Chapter on the Raptor........
Reply #16 - 07/02/12 at 09:09:30

My brother gave me his 87 Savage which had stalling at lights, idling stumbling problems and would sometimes leak fuel out of the carb vents while idling. He told me he had "rebuilt" the petcock last year and still had issues. I replaced it with the raptor ($20 easy job) and have not had a fuel problem since. I have not checked jetting yet. I do have some popping on decel (normal?) and a nice loud POW on shutdown but the bike is great (averaged 70 mpg on a 300 mile ride). This raptor fix is the way to go.

With the stock petcock, I found myself constantly looking down to see if there was fuel anywhere while I was riding. Not good.

Back to top

« Last Edit: 07/05/12 at 09:07:53 by Oldfeller--FSO »

IP Logged

High_Plains_Thumpr

Ex Member

Re: A Chapter on the Raptor........
Reply #17 - 07/05/12 at 11:16:44

tarkm812 wrote on 07/02/12 at 09:09:30:

My brother gave me his 87 Savage

Excellent year (I have one also!)

Quote:

which had stalling at lights, idling stumbling problems and would sometimes leak fuel out of the carb vents while idling. He told me he had "rebuilt" the petcock last year and still had issues. I replaced it with the raptor ($20 easy job) and have not had a fuel problem since.

I'm considering this as my next purchase (upgrade) sometime near future.

Quote:

I have not checked jetting yet. I do have some popping on decel (normal?) and a nice loud POW on shutdown

This is normal and a characteristic of the particular carburetors and IMO the double fire ignition (fires at end of compression stroke and at end of exhaust stroke. (This is why you can use an aftermarket electronic tachometer for a Harley Davidson.)

Quote:

but the bike is great (averaged 70 mpg on a 300 mile ride). This raptor fix is the way to go.

Those are excellent consumption figures. I've been averaging around 48 MPG riding nominally 60 to 70 MPH (97 to 113 kmh) at these higher elevations at 4,300 to 8,000 feet (1,311 m to 2,438 m).

Quote:

With the stock petcock, I found myself constantly looking down to see if there was fuel anywhere while I was riding. Not good.

Yes, that is definitely unsafe. Shocked

Back to top

IP Logged

RanDaMan Full Member Offline SuzukiSavage.com Rocks! Posts: 149 Massachusetts Gender:	Re: A Chapter on the Raptor........ Reply #18 - 07/09/12 at 07:54:26 Can anyone tell me if swapping out the stock petcock for the raptor will require any other adjustments? Like the fuel mixture screw or a re-jet? or if those two things even come in to play here ?
Back to top	IP Logged

rfw2003

Serious Thumper

Offline

SuzukiSavage.com
Rocks!

Posts: 1108
Yantis, TX

Re: A Chapter on the Raptor........
Reply #19 - 07/09/12 at 08:33:06

RanDaMan wrote on 07/09/12 at 07:54:26:

Can anyone tell me if swapping out the stock petcock for the raptor will require any other adjustments? Like the fuel mixture screw or a re-jet? or if those two things even come in to play here Undecided

?

no need to re-jet or anything, the petcock is basically just a shutoff valve for the fuel from your tank to the carb.

Back to top

1996 Savage, Corbin Seat, K&N filter, Slip Streamer Enterprise II windshield, LED bullet signals, Cat's eye LED tail light Ryca reverse cone long muffler

IP Logged

High_Plains_Thumpr

Ex Member

Re: A Chapter on the Raptor........
Reply #20 - 07/09/12 at 08:47:43

RanDaMan wrote on 07/09/12 at 07:54:26:

Can anyone tell me if swapping out the stock petcock for the raptor will require any other adjustments? Like the fuel mixture screw or a re-jet? or if those two things even come in to play here Undecided

?

No. The Raptor is simply a fuel shutoff and selector valve (main - off - reserve). The bowl of your carburetor operates similar to a toilet bowl tank. Fuel flows from the tank through the Raptor into the carb bowl until the float valve rises, shutting off fuel flow. The carburetor uses the fuel from this bowl to feed the carburetor. The Raptor should not affect your adjustments.

Back to top

« Last Edit: 07/11/12 at 09:36:39 by High_Plains_Thumpr »

IP Logged

RanDaMan Full Member Offline SuzukiSavage.com Rocks! Posts: 149 Massachusetts Gender:	Re: A Chapter on the Raptor........ Reply #21 - 07/09/12 at 08:52:06 THANKS
Back to top	IP Logged

High_Plains_Thumpr

Ex Member

Re: A Chapter on the Raptor........
Reply #22 - 07/09/12 at 09:01:55

JohnBoy wrote on 07/01/12 at 22:38:01:

I "Drank the Cool-Aide" over a year ago. I never turn off the petcock and I have never had a problem of any kind. I consider the Raptor mod the best investment to this bike that I have made to date...and I have made a bunch of chances.

The off position is a fail safe feature. Should for some reason the carburetor's float needle valve fail (worn out, sticking hinge, speck of dirt or rust lodged on needle seat, fuel will continue to flow. This could possibly fill the piston chamber causing damage to the piston / crank pin / connecting rod / starter when starting. (Liquids are incompressible.)

Fuel could seep past the piston into the crankcase, diluting the oil and overfilling the crankcase with consequences.

So, you've been lucky no damages have occurred. Even I have forgotten to shut off the fuel on another bike that has a manual petcock.

Safety is the reason for turning the petcock off when motorcycle is not in use. This is why Suzuki came up with the automatic vacuum operated petcock, so people do not have to worry about manually shutting the petcock off.

Back to top

IP Logged

RanDaMan Full Member Offline SuzukiSavage.com Rocks! Posts: 149 Massachusetts Gender:	Re: A Chapter on the Raptor........ Reply #23 - 07/11/12 at 08:28:02 So where is the best place to purchase the raptor 660 petcock?
Back to top	IP Logged

Badass94Cad Senior Member Offline This space for rent Posts: 313 Mass-->Jerz-->PA! Gender:	Re: A Chapter on the Raptor........ Reply #24 - 07/11/12 at 09:38:01 RanDaMan wrote on 07/11/12 at 08:28:02: So where is the best place to purchase the raptor 660 petcock? Dealership, eBay.....
Back to top	1995 Suzuki Savage - It's a rat, but it's MY rat! IP Logged

rfw2003 Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1108 Yantis, TX	Re: A Chapter on the Raptor........ Reply #25 - 07/11/12 at 09:39:52 I got mine at Ron Ayers
Back to top	1996 Savage, Corbin Seat, K&N filter, Slip Streamer Enterprise II windshield, LED bullet signals, Cat's eye LED tail light Ryca reverse cone long muffler IP Logged

RanDaMan Full Member Offline SuzukiSavage.com Rocks! Posts: 149 Massachusetts Gender:	Re: A Chapter on the Raptor........ Reply #26 - 07/11/12 at 10:08:20 Just ordered mine roughly how long did it take for delivery?
Back to top	IP Logged

rfw2003 Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1108 Yantis, TX	Re: A Chapter on the Raptor........ Reply #27 - 07/11/12 at 10:10:33 took mine about 4 days
Back to top	1996 Savage, Corbin Seat, K&N filter, Slip Streamer Enterprise II windshield, LED bullet signals, Cat's eye LED tail light Ryca reverse cone long muffler IP Logged

Greg Serious Thumper Offline Molon Labe Posts: 1251 Southeast PA, uSA Gender:	Re: A Chapter on the Raptor........ Reply #28 - 07/11/12 at 10:15:44 RanDaMan wrote on 07/11/12 at 08:28:02: So where is the best place to purchase the raptor 660 petcock? I got mine from BikeBandits. Ron Ayer's website search sucks so I paid a few extra dollars for less frustration.
Back to top	2002 Savage. IP Logged

RanDaMan

Full Member

Offline

SuzukiSavage.com
Rocks!

Posts: 149
Massachusetts
Gender: male

Re: A Chapter on the Raptor........
Reply #29 - 07/11/12 at 10:49:07

Greg wrote on 07/11/12 at 10:15:44:

RanDaMan wrote on 07/11/12 at 08:28:02:

So where is the best place to purchase the raptor 660 petcock?

I got mine from BikeBandits. Ron Ayer's website search sucks so I paid a few extra dollars for less frustration.

yeah it was driving me nuts for about ten min, i couldnt find it i typed the product number in five times and it wouldnt show up! so i found the link from a past thread and it brought me right to the part... had i known bikebandit was another option i would of taken the same route haha but none the less the Raptor is on its way Cool

Back to top

IP Logged