KLR650 petcock - Kawasaki KLR 650 Forum
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post #1 of 17 Old 05-18-2016, 09:25 PM Thread Starter
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KLR650 petcock

Can someone give me the part number for the non vac, petcock. I would like to change the one I have for my 2016 item. Thanks in advanace.
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post #2 of 17 Old 05-18-2016, 09:37 PM
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51023-0003
This is the 87-07 number, I "think" this is the one you need

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post #3 of 17 Old 05-18-2016, 10:02 PM
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Quote:
Originally Posted by gruet782 View Post
51023-0003
This is the 87-07 number, I "think" this is the one you need
Stock vacuum-actuated petcock part number, according to Kawasaki website.

OP asked for non-vac petcock; unavailable from Kawasaki AFAIK.
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post #4 of 17 Old 05-18-2016, 10:04 PM
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My bad....

"Things are made out of Stuff"
Bill Nye~

"Singularity is a scientific term for - We Just Don't Know"
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(2011 KLR)
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post #5 of 17 Old 05-18-2016, 10:52 PM
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http://www.partzilla.com/parts/detai...500-00-00.html

http://www.klrforum.com/48405-post1.html

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Last edited by Tom Schmitz; 05-19-2016 at 11:20 AM. Reason: Edit to Genuine Yamaha
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post #6 of 17 Old 05-18-2016, 11:04 PM
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Hi Tom. Is that petcock on your "thumper" feeding that new JUG?

Have not fired the Versys or Suzi up this year. The Aspen Alley ride was a good day trip, but about 30 miles short of a 500 mile day.

Again nice to meet you at Paul's shop. Mike
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post #7 of 17 Old 05-18-2016, 11:32 PM
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Hi Mike!

Yes, I've been using that petcock for about 7 years now. I had it on my '08 on a stock tank and now on my '09 on the IMS10.

They work well, but yo have to get used to the smaller reserve and learn not to count on reserve getting you very far.

Tom

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I lit a cigarette and dragged a smoking stand beside the chair. The minutes went by on tiptoe, with their fingers to their lips. -Philip Marlowe

'Why' and 'How' are words so important they cannot be too often used. -Napoleon Bonaparte


Sting like a butterfly.
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post #8 of 17 Old 05-19-2016, 06:47 AM
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Anyone ever EXTEND the reserve tube on a Yamaha Raptor petcock?

I recall a procedure for converting the stock KLR petcock to manual-only operation, wherein the originator of the mod insisted on SHORTENING the OEM standpipe on the mistaken impression such action would elevate fuel pressure (it won't; static fuel pressure is determined by the vertical elevation of the level of the fuel in the tank above the carburetor only). The only effect of shortening the standpipe was reduction in reserve fuel volume.

The action apparently was based upon a second faulty premise, that static fuel pressure increase somehow increased performance. The static fuel pressure merely replenishes the float bowl content; fuel ingestion rate is determined separately by venturi vacuum (pressure differential) and effective jet orifice area . . .

Modifications indicating the pervasiveness of Internet tribal knowledge with respect to the KLR650 . . .
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post #9 of 17 Old 05-19-2016, 07:37 AM
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Quote:
Originally Posted by Damocles View Post
Anyone ever EXTEND the reserve tube on a Yamaha Raptor petcock? . . .
Yes.

MacG did a beautiful job of extending the reserve pipe for me on a Raptor petcock.

Tom

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I lit a cigarette and dragged a smoking stand beside the chair. The minutes went by on tiptoe, with their fingers to their lips. -Philip Marlowe

'Why' and 'How' are words so important they cannot be too often used. -Napoleon Bonaparte


Sting like a butterfly.
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post #10 of 17 Old 05-19-2016, 10:42 AM
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1) ditto on the Raptor unit; but BEWARE of cheap knockoff's on Ebay and elsewhere. Use only a REAL Yamaha unit. Available from Eaglemike or Yamaha (and perhaps elsewhere)

2) I share Tom and others' distaste of the factory vacuum unit; like him I've had many bikes (this last one is #39) and the vast majority have had manual petcocks. The stock Vacuum petcock is in the top 5 failures on a stock KLR (scientifically proven by me! ;-) )

3) I've heard of people swapping "straws" between the KLR and Raptor petcocks but I haven't done it....some said it was impossible to do without crushing the straw others claim to have done it...personally, I don't care about the smaller reserve, especially with my translucent IMS tank: I can tell how much gas I have left from 20' away!

4) several years of University physics tells me Damocles is correct.....though he doesn't need my validation on this! LOL


Cheers,
Dave
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