Jetting recommendations?

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spottedsquirl

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Hey everyone, I have an '85 Vmax with a stage 7 jet kit install. Mains are 165. I assume the kit was done to directions. My elevation is 400'. Can anyone recommend jetting for this altitude? Thanks.
 
http://www.vmaxforum.net/showthread.php?t=2048


Look at the link, the formatting when I copied it is screwy. DJ 165 is very close to the Yamaha stock Mikuni 152.5

http://vmaxoutlaw.com/tech/dyno-mikuni.htm

[SIZE=-1]Mikuni[/SIZE] [SIZE=-1]Dynojet[/SIZE] [SIZE=-1]140[/SIZE] 149.3
[SIZE=-1]Flow rates based on size markings of Mikuni and DynoJet jets are not comparable.[/SIZE] [SIZE=-1]As a guide .. the chart to the left indicates equivalent sizes based on the diameter[/SIZE] [SIZE=-1]of hole in the jet. [/SIZE]
[SIZE=-1]Mikuni jets are chamfered on the inside opening at the threaded end and [/SIZE]
[SIZE=-1]Dynojets have a machined flat surface. Keep this in mind when using this chart. [/SIZE][SIZE=-1]These physical differences will never allow an exact comparison.[/SIZE] [SIZE=-1]This chart is intended to be used as a tool to assist you in making a more [/SIZE]
[SIZE=-1]accurate decision when selecting a jet size range or comparing tuning data[/SIZE] [SIZE=-1]where an opposing brand is being used.[/SIZE] [SIZE=-1]Actual jet sizes are highlighted with a gray background. [/SIZE]

[SIZE=-1]DynoJet jets are marked according to the diameter of the hole in the [/SIZE]
[SIZE=-1]jet .. ie: DJ150 = 1.5mm and DJ175 = 1.75mm. [/SIZE][SIZE=-1]This is not true for Mikuni or most other OEM equivalent jets. This size[/SIZE]
[SIZE=-1]Mikuni jet, (N102.221 Super BN), is marked according to its' flow rate, [/SIZE]
[SIZE=-1]ie: 150 = a rating of 150 cc of fuel per minute. [/SIZE]

[SIZE=-1]150[/SIZE] [SIZE=-1]142.5[/SIZE] 152.0 [SIZE=-1]145[/SIZE] 154.7 [SIZE=-1]155[/SIZE] [SIZE=-1]147.5[/SIZE] 157.3 [SIZE=-1]150[/SIZE] [SIZE=-1]160[/SIZE] [SIZE=-1]152.5[/SIZE] 162.7 [SIZE=-1]165[/SIZE] [SIZE=-1]155[/SIZE] 165.3 [SIZE=-1]157.5[/SIZE] 168.0 [SIZE=-1]170[/SIZE] [SIZE=-1]160[/SIZE] 170.7 [SIZE=-1]162.5[/SIZE] 173.3 [SIZE=-1]175[/SIZE] [SIZE=-1]165[/SIZE] 176.0 [SIZE=-1]167.5[/SIZE] 178.7 [SIZE=-1]180[/SIZE] [SIZE=-1]170[/SIZE] 181.3 [SIZE=-1]172.5[/SIZE] 184.0 [SIZE=-1]185[/SIZE] [SIZE=-1]175[/SIZE] 186.7 [SIZE=-1]177.5[/SIZE] 189.3 [SIZE=-1]190[/SIZE] [SIZE=-1]180[/SIZE] 192.0 [SIZE=-1]182.5[/SIZE] 194.7 [SIZE=-1]195[/SIZE] [SIZE=-1]185[/SIZE] 197.3 [SIZE=-1]187.5[/SIZE] [SIZE=-1]200[/SIZE] [SIZE=-1]190[/SIZE] 202.7


fire-medic comment: I think you could try the next size down in Mikuni, 150, it might help you, manufacturers like to stay on the 'slightly-rich' side to avoid leaning-out too-much which can cause issues of the expensive type. I am at sea level & run 147.5 Mikuni w/DJ Stage 7, but I retained VBoost, and it has good throttle response.
 
Thanks for the help everyone! Much appreciated! I'm not too keen on jetting but I'm getting there. I now have a good starting point when I tear down the carbs and do a proper rebuild and tune. My mileage is 62 miles per tank highway miles lol.
 

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