06-22-2017, 01:14 AM | #17 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Funny, they work perfectly in my mikuni clone.
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06-22-2017, 07:18 AM | #18 | |
Join Date: Jun 2017
Posts: 7
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Quote:
Also I wonder why many people (Megadan and many other people who reviewed on the Wings jet on amazon) were able to install it in their Mikuni clone |
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06-22-2017, 07:28 AM | #19 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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The funny thing is, just out of curiosity, I went and tried to screw one of the jets I got from Wingsmoto into my stock PZ30 and it gets tight after a couple of turns. Yet on my VM26 clone, they screw right in with no trouble. My 110 main is a Wingsmoto main jet.
I then dug into my Bag-O-Jets and fished out the 100 main that came in the VM26 and compared it to the rest of my Wings jets... same threads. My PZ30's 98 main jet on the other hand is every so slightly different. So I can only assume that Wingsmoto is packaging and selling both types of jet as the same thing, or there was a mix up somewhere along the distribution chain. It wouldn't be surprising.
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06-22-2017, 08:15 AM | #20 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
The Keihin jets, also known as #99101-393, are so close in thread diameter and pitch that they NEARLY work, which is why I honestly think somebody somewhere is either selling both as the "same thing" to cut costs, or there is some sort of mix up happening somewhere. I do know that the stock main jet in my Hawks factory carburetor has the head diameter of a Mikuni N100.604 (8mm). Which means it has the Mikuni jet head, and Keihin M5x.8 thread. Having a .05 difference in thread pitch would explain why the threads get tight. For shits and giggles I went ahead and tightened the stock VM26 main jet all the way into the PZ30. I then backed it out. No thread damage...although I wouldn't recommend doing this, it will work.
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06-22-2017, 08:34 AM | #21 | |
Join Date: May 2016
Location: Bismarck, ND
Posts: 868
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Quote:
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2015 and 3/4 RPS Hawk 250. Most people would call it a 2016 but the MCO didn't. |
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06-22-2017, 08:54 AM | #22 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Mikuni VM26 Clone.
Pilot Jet = VM28/486 http://www.jetsrus.com/a_jets_by_car...-486_pilot.htm Main Jet = N100.604 http://www.jetsrus.com/a_jets_by_car...arge_round.htm Obviously elevation and modifications make a difference in what sizes you need for each. A lot of people run between a 27.5 and 35 pilot jet Main jet size can range anywhere from the 100 main jet that comes in the Minkuni if you are at high altitude on a stock bike. I am at 1000ft elevation with a 110 main on an otherwise unmodified bike. With exhaust and intake mods, 115 to 120 jets are the most common, and I think I have seen one or two examples running a 125. For what its worth, while it may be more expensive, I would recommend getting the genuine Mikuni jets. The reason people opt for the Wingsmoto jets is that you get 10 jets for less than the cost of 2 genuine jets.
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06-22-2017, 02:43 PM | #23 |
Join Date: Jun 2017
Posts: 7
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Thanks for the information. I just ordered 110 main (N100.604). I should receive it in a few days and report back.
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06-22-2017, 04:37 PM | #24 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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You will likely need to get a larger pilot jet as well. The mikuni clones come with a 20 pilot, which the bike will run on, but might be a bit too lean. If you can't manage to get a steady idle or you get some hesitation/stuttering while holding a light steady throttle at say 20-25mph with no more than 2 1/2 turns out on the mixture screw, then you will want to go up in pilot jet size. I have a 30 pilot jet and I get the slightest bit of hesitation at light throttle, so I have a 32.5 and 35 Pilot jet on order to try out.
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06-19-2018, 08:23 PM | #25 | |
Join Date: Jun 2018
Posts: 214
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??ran into this on the net old thread
Quote:
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Last edited by Hawk 229cc; 06-19-2018 at 10:19 PM. |
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06-20-2018, 10:23 AM | #26 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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06-20-2018, 01:15 PM | #27 |
Join Date: Jun 2018
Posts: 214
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i am just going to get like said the 25 30 32.5 & 35 an one of those should work ,try to find my info as needed on net or hear ,but when not sure still waiting to see what he had put in his at 1000 feet sound like the 30 an 110 or 115 should work for me,with aftermaket exhuast ,i think i am just going to get one ,but note they all turn black or rust at some point,though i avoid rain myself 20 miles a day is my plan on no rainy days ,till i get it upgraded ,i also have a friend who is good with carbs does help me too,but its time i know this carb much better then ever,mights well know the bike in an out ,over time the forum is big help too,just after the 4th going to do most of the important upgrades an learn as much about the bike as i can
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06-20-2018, 01:54 PM | #28 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
Pilot. 25, 27.5, 30 Main:105, 107.5, 110, 112.5, 115, 117.5, 120 This range of jet sizes would cover and fine tune everything from completely stock on a hot day to cold temperatures on a bike with full bolt ons.
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06-21-2018, 11:42 AM | #29 |
Join Date: Jun 2018
Posts: 214
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the only one i did not get was the 27.5 at 1010 feet ,an you has said you were going to try a 32.5 an or 35,in the thread ,did you change your mind,at this point i would think the 30 would work pretty good going to go with aftermarket exhaust from crf230 ,an i am going with a real mikuni carb the only thing is the wings jets kit ,worst case i buy 27.5 but i got a better deal on shipping to buy 5 or more at a time ,? i got my eyes on an oring chain for Xt yamaha 250 t oring chain for $34.00 ,lately finding 128 link chain has been hard i am thinking about 130 an takeing few links out in the mxz no oring chain most of the middle end chains are like 5000 or more even the unibear for cheap is 4700 ,going with 16th an 45 rear ,but yes 128 links seem to be the most popular legnth ,thank you Dan
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06-21-2018, 12:33 PM | #30 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
I was still experimenting with jetting. I found the 30 was actually too rich and causing said hesitation. I live at 1100ft and ended up with a 27.5 pilot and 115 -117.5 main depending on the air temp, with a 120 main when the temps got to the 40 degree range.
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