Keihin PWK 30 Carb
1 Attachment(s)
I ordered a Keihin PWK 30 carburetor a few weeks ago and I got it on Monday. When I got off work today it was raining so I went out to the shed and installed the carburetor. It came with a 115, 120 and 125 main and a 38, 39 and 41 slow jets. I installed the 115 main and 38 slow jets. I turned on the fuel and ignition and she fired right up and idled at 1500 rpm's without touching anything. Sweet :D blip the throttle a few times with nice and crisp throttle response. I let it warm up a few minutes the adjusted the idle mixture. So much easier with it located on the side. I took it out for a quick ride between the rain showers. It was running lean so came home and swapped out to the 120 main. Easy access to the main without having to remove the bowl. I think it's about perfect. Took it back out and did a WOT run. She pulled hard up to 8500 rpm's 1st through 3rd and hit 60 mph before shutting it down. I really like the carb just for the ease of tuning.
http://chinariders.net/attachment.ph...8&d=1527248573 http://chinariders.net/attachment.ph...7&d=1527248573 http://chinariders.net/attachment.ph...6&d=1527248444 http://chinariders.net/attachment.ph...5&d=1527248444 http://chinariders.net/attachment.ph...4&d=1527248444 |
Nice. Is the throttle piece difficult to unscrew? It looks like two phillips screws hold it on as opposed to the screw cap.
Also, what's the piece of sheet metal on your valve cover? |
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The piece of metal is a support for the direct ignition coil. http://www.chinariders.net/attachmen...6&d=1525542105 |
I'm curious to know how much of a improvement the power jet in this carb makes vs the response of a stock carb. This would seem to be a better upgrade than the VM26, Give us a report as soon as you can get her out on the road to see how it performs.
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I take it you managed to get the proper CRF intake for it. Nice.
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That's great Jerry, I really hope this is a significant improvement for these bikes. If so I'd like your links to the parts you bought so I can do this upgrade and a exhaust upgrade at the same time...fingers crossed!
The sad part is my bike runs really good right now....... I bet I can change that!:doh: |
Sounds great, thanks for the review. So big improvement over stock or minkuni carb? or just ease of adjustment?
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Jerry, can you link to the intake you purchased? I bought one similar once, but it was angled down too much for my liking.
I still have the PWK30 and even a 32mm (will work with the CRF intake). sitting in a box. Let us not forget my VM30. It would be kind of nice to run one of them on my next Hawk. Quote:
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30mm keihin pwk carburetor. Angled Carburetor Adapter and a Pod Filter From AliExpress for a wopping $39.51.
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Honestly, given the opinions of two others that have done 30mm carb installs now, I think that even a 32mm carb is a viable upgrade with head porting. That is definitely getting into "race" bike kind of territory, but for the ultimate in top end power it would be hard to beat.
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