03-12-2019, 08:26 AM | #1 |
Join Date: Feb 2017
Posts: 449
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Quick Mikuni VM26 Carb Question
Does anyone have a good (labeled) picture of inside of the Mikuni carb (top view)?
Can anyone confirm that there is an air mixture screw in there (next to the pilot jet) that can be adjusted (i.e., turned counter-clockwise to open a little)? Thanks. |
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03-12-2019, 08:58 AM | #2 |
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Here you go. same location as on a PZ30 carb. Turn counter clockwise to richen it up.
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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03-12-2019, 09:15 AM | #3 |
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03-12-2019, 09:16 AM | #4 |
Join Date: Feb 2017
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Thanks Jerry! That helped a ton. Doing the valve adjustment and oil change today. I still have to go through the bike and loctite everything; haven't that yet. We might get to 48 degrees tomorrow here (but 100% chance of rain).
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03-12-2019, 09:17 AM | #5 | |
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Quote:
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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03-12-2019, 09:18 AM | #6 | |
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Quote:
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03-12-2019, 09:25 AM | #7 |
Join Date: Feb 2017
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Hmmm...now I'm confused. Now that I look at it, the screw in that picture from Jerry looks like it's on the bottom, but on outside of the PZ carb. The screw I'm talking about is on the inside (facing the bowl). It's right next to the pilot jet. If that wasn't a mixture screw, then that's not good for me...
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03-12-2019, 09:28 AM | #8 | |
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Quote:
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel Last edited by JerryHawk250; 03-12-2019 at 11:03 AM. |
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03-12-2019, 09:48 AM | #9 |
Join Date: Aug 2018
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I use this to tune my carb's air/fuel screw. Fits nicely.
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Hawk 250 Lithium Battery, Mikuni Carb 110 main jet, Bark Busters with Mirrors, Extended Mixture Screw, 428 O-ring Chain, 17-15/40 sprockets, Digital Cluster, Cycra YZ250F Skid Plate, Oil Cooler |
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03-12-2019, 01:37 PM | #10 |
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That tool is used to adjust the idle fuel/air mixture screw, which is located in the U shaped notch in the float bowl cover, which is there to allow access to the idle mixture screw, which is actually in the carburetor body. It comes from the factory with a plug over it in order to satisfy the EPA demand that carburetors are tamper proof...ARH
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03-12-2019, 02:13 PM | #11 | |
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03-12-2019, 09:50 PM | #14 |
Join Date: Aug 2018
Location: Ohio
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Yes, I have it on my mikuni. It has a little side to side play, but not enough to make it back out. It sure comes in handy!
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Hawk 250 Lithium Battery, Mikuni Carb 110 main jet, Bark Busters with Mirrors, Extended Mixture Screw, 428 O-ring Chain, 17-15/40 sprockets, Digital Cluster, Cycra YZ250F Skid Plate, Oil Cooler |
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03-12-2019, 10:49 PM | #15 |
Join Date: Jun 2016
Location: Hell
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I thought about getting some made but the amount needed was like 300 pieces, also wondered if the vibrations might make it come out.
In the end I didn't bother and offered the adj tool instead. Keihin PZ30 doesn't accept this part and I couldn't find a suitable etc. I left it just how it is and bought the tool instead. |
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