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Latest discussions at Pit Bike Club:
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02-05-2012, 10:39 AM
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#1
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Novice
Join Date: May 2012
Posts: 23
Bike: stomp
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keihin pwk 28mm
Hi does anyone know what size pilot and main jet etc would be best for the above carb to fit my yx150, any help would be greatly appreciated
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02-05-2012, 11:26 AM
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#2
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Super King
Join Date: Dec 2008
Location: essex
Age: 52
Posts: 1,815
Bike: xsport/stomp
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Re: keihin pwk 28mm
try a 110 main and 40 pilot go from there 
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03-05-2012, 10:48 AM
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#3
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Novice
Join Date: May 2012
Posts: 23
Bike: stomp
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Re: keihin pwk 28mm
Quote:
Originally Posted by quimjuicemonkey
try a 110 main and 40 pilot go from there |
i tried that and it ran like a pig last night in the rain so im going to have another try today to see if i can get her running smoth 
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03-05-2012, 11:27 AM
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#4
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Wheelie King
Join Date: Jun 2008
Location: Bristol
Age: 34
Posts: 2,641
Bike: LMX MXT 160 4v
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Re: keihin pwk 28mm
To give you more help, more info is needed. Is the engine std? Is it genuine pwk? What is the Plug like? We can't help you unless you help us.
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03-05-2012, 11:36 AM
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#5
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Super King
Join Date: Jul 2008
Location: hartlepool
Age: 32
Posts: 1,924
Bike: shady 140
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Re: keihin pwk 28mm
id strongly advise checking the carb internals to make sure everything is drilled properly. mine wasnt!
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03-05-2012, 11:39 AM
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#6
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Wheelie King
Join Date: Jun 2008
Location: Bristol
Age: 34
Posts: 2,641
Bike: LMX MXT 160 4v
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Re: keihin pwk 28mm
Thats why i asked if its genuine pwk, my understanding is that you have a Koso? The quality is not the same.
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03-05-2012, 11:52 AM
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#7
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Super King
Join Date: Jul 2008
Location: hartlepool
Age: 32
Posts: 1,924
Bike: shady 140
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Re: keihin pwk 28mm
pwk is the genuine carb?
i thought the keihin was
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03-05-2012, 12:01 PM
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#8
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Wheelie King
Join Date: Jun 2008
Location: Bristol
Age: 34
Posts: 2,641
Bike: LMX MXT 160 4v
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Re: keihin pwk 28mm
 keihin - pwk.. Lol Koso & oko are based on this carb.
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04-05-2012, 08:03 PM
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#9
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Novice
Join Date: May 2012
Posts: 23
Bike: stomp
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Re: keihin pwk 28mm
Thanks for your replies, yes it is a genuine Keihin pwk with genuine serial numbers that I have confirmed with allens performance
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04-05-2012, 08:11 PM
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#10
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The Stig
Join Date: Oct 2009
Age: 70
Posts: 511
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Re: keihin pwk 28mm
The main jet and pilot as sujested will work fine but I bet you have a needle from a two stroke. Ask Allens what needle they would sujest you use.
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