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Message started by JRLeathercraft on 04/02/13 at 13:33:11

Title: The dreaded petcock question
Post by JRLeathercraft on 04/02/13 at 13:33:11

First:
I changed the petcock and I COULD NOT believe how much better it's running. It almost sound like it was missing or something before. Steady put put now.

Second:
I followed the link and , yep, got the China knock off with the smaller size outlet.

I went to the auto parts and pick up a rubber hose size change thingy.
It fit nicely on the nipple and the regular line's spring clamp worked on the thingy.

I read the long thread where some guys improvised and used the smaller size.

Has anyone had extended experience with using the smaller size?


Title: Re: The dreaded petcock question
Post by Serowbot on 04/02/13 at 14:16:12

I used one from a 250/350 Raptor for a while... it had the smaller outlet, and shorter stem... The stem interfered with mounting, so I had to file a small divot into the tank seam to clear... (this could have been a bit dangerous and caused a leak, but, it didn't in my case)...
As far as the quantity of flow,... I wouldn't worry... and I never had a problem with that...
SO,.. just see if yours will mount without leaking,... if it does... you should be okay using it...

Title: Re: The dreaded petcock question
Post by JRLeathercraft on 04/02/13 at 14:22:00


2D3B2C31293C312A5E0 wrote:
I used one from a 250/350 Raptor for a while... it had the smaller outlet, and shorter stem... The stem interfered with mounting, so I had to file a small divot into the tank seam to clear... (this could have been a bit dangerous and caused a leak, but, it didn't in my case)...
As far as the quantity of flow,... I wouldn't worry... and I never had a problem with that...
SO,.. just see if yours will mount without leaking,... if it does... you should be okay using it...


Hi,
It mounted fine and no leaks so far.

Thanks,
Jay

Title: Re: The dreaded petcock question
Post by Greg on 04/02/13 at 14:27:54

I believe the only concern you will have is depending how you blocked off the the vacuum at the carb, it may rot or dry out over time.

Title: Re: The dreaded petcock question
Post by verslagen1 on 04/02/13 at 14:31:40

no problems at all as long as you're running a stock carb and jets.   ;D

Title: Re: The dreaded petcock question
Post by Dave on 04/02/13 at 14:32:17

I am using a factory Yamaha petcock from a 350 on my Cafe' bike. The shorter stem will work better as the fuel tanks is very low.  The outlet size is 1/4" instead of 5/16" of the Raptor 660.  I really don't believe it will have too little flow - as it is the same petcock as used on the YAMAHA XVS650.  I am sure that bike uses more fuel than our bike can.

The concern that was brought up in another thread is the ability of air to get trapped in the smaller fuel hoses - which does limit flow when the bubbles get trapped.  This appeared to be a significant problem when installing an inline fuel filter and routing the tubing with bends and angles.

Title: Re: The dreaded petcock question
Post by old_rider on 04/02/13 at 15:32:22

I got the petcock for the 600 size raptor, it was so long I had to raise the back of the tank to get the hose off the choke knob, but it ran ok... a little up/down in the middle range kinda surging, but thats probably another problem...i'll fix it after the new air filter and oil seal come in.

Title: Re: The dreaded petcock question
Post by Dane Allen on 04/02/13 at 16:27:18

Is the replacement part number for a 2012 S40 still 5LP-24500-01-00?

Title: Re: The dreaded petcock question
Post by Serowbot on 04/02/13 at 16:52:13


1F3A353E1A37373E355B0 wrote:
Is the replacement part number for a 2012 S40 still 5LP-24500-01-00?

Yes,.. the lesson is,... don't buy a cheapy off e-bay...

Title: Re: The dreaded petcock question
Post by Dane Allen on 04/02/13 at 17:00:48


697F68756D78756E1A0 wrote:
[quote author=1F3A353E1A37373E355B0 link=1364934791/0#7 date=1364945238]Is the replacement part number for a 2012 S40 still 5LP-24500-01-00?

Yes,.. the lesson is,... don't buy a cheapy off e-bay...[/quote]

Great, thanks!! Is there a recommended brand?

Title: Re: The dreaded petcock question
Post by Borracho on 04/02/13 at 18:07:42

Yamaha is the recommended brand.

Title: Re: The dreaded petcock question
Post by justin_o_guy2 on 04/03/13 at 10:52:29

Walk into a dealership, go to the parts counter, have your old petcock in hand, ask for a Raptor petcock, compare, pay, go home. Will it cost $5.00 more? Maybe,, will it avoid a hassle, probably.,.

Title: Re: The dreaded petcock question
Post by Serowbot on 04/03/13 at 12:00:38

I think we have created a misunderstanding for some noobie members, by referring to this simply as a Raptor petcock...
A Raptor, isn't a type of petcock...
It is a manually operated petcock,... that comes off of a Yamaha Raptor 660 ATV 3-wheeler... (it just happens to fit our bikes perfectly)...
.. the Yamaha part number is 5LP-24500-01-00...
So, the brand is always Yamaha...

For short,.. we say Raptor petcock...

...(the Chinese have started making a rip-off replacement for it,... and often seem to mislabel them as being for a 660cc model, but they are actually copies of a smaller ATV petcock...)...
The safe bet,.. is to buy the Yamaha brand... for the Raptor 660cc model... part number 5LP-24500-01-00...

:-?...

Title: Re: The dreaded petcock question
Post by EJID on 04/03/13 at 12:04:32

I ordered one from RonAyers last March and it was a whopping $18.46 before FRT, not sure what year I was searching for, but the part # was

5LP-24500-01-00

I think several years use that same part #

Also it was a RonAyers sku#808680

http://www.ronayers.com/ProductDetails/N/687/SKU/808680

Title: Re: The dreaded petcock question
Post by rl153 on 04/03/13 at 12:46:01

I bought the cheap ebay petcock ,but haven't installed it. I'm now thinking I should use the yamaha part instead . is it the same number for a 2005 s40 (5LP-24500-01-00) ? Is this link to the Ron Ayers site the right one? Thanks!
 
PS ,I just bought the raptor at my local motorcycle shop.. Thanks!

Title: Re: The dreaded petcock question
Post by Dave on 04/03/13 at 13:17:01


242D3E21262D797A7171480 wrote:
I bought the cheap ebay petcock ,but haven't installed it. I'm now thinking I should use the yamaha part instead . is it the same number for a 2005 s40 (5LP-24500-01-00) ? Is this link to the Ron Ayers site the right one? Thanks!


Yep......That Ron Ayers link is the one I bought last year and it is a genuine Yamaha part.  It fits any year Savage, Boulevard, LS650, S40.

Title: Re: The dreaded petcock question
Post by jiminapex on 04/03/13 at 13:17:49

rl153, the link ejid posted is the petcock I am using with 155 main and 55 pilot jets, no problems.  MUCH better than the stock petcock.

Title: Re: The dreaded petcock question
Post by old_rider on 04/03/13 at 14:17:41

I bought one off of ebay (5LP-24500-01-00), it actually came in a yamaha box with part number and information on it.

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