Main jet G9 vs G16

mozzer · 11-01-2018, 11:29 AM

I want to change main jet in a g16, I have a couple of spares from my g9 & would like to know if they are the same fitment before I go ahead & remove the carb if possible.

From what I can see the carb is slightly different but I'm hoping the jets are same type.

Any insight greatly appreciated.

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CP241 · 11-01-2018, 12:25 PM

According to Partzilla, the G16 main jet (part no. 3G2-1423E-34-00) is a #86.3
The G9 main jet (p/n 3G2-1423E-41-00) is a #103.8

The jets themselves should be interchangeable as far as fitment, as both are Mikuni carbs. However, that's a pretty big increase in size so it will probably run quite rich.

mozzer · 11-01-2018, 12:33 PM

Great, thanks very much.

I ended up with a 125 or 130 jet in the g9 after airbox mods so the standard one out of that could be a good start in the g16.

Thank you for the response.

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11-01-2018, 11:29 AM	#1
mozzer Not Yet Wild Join Date: Jun 2013 Posts: 45	Main jet G9 vs G16 I want to change main jet in a g16, I have a couple of spares from my g9 & would like to know if they are the same fitment before I go ahead & remove the carb if possible. From what I can see the carb is slightly different but I'm hoping the jets are same type. Any insight greatly appreciated. Sent from my Moto Z2 Play using Tapatalk
mozzer Not Yet Wild Join Date: Jun 2013 Posts: 45

11-01-2018, 12:25 PM	#2
CP241 Nincompoop village idiot Join Date: Apr 2018 Location: Michigan Posts: 9,673	Re: Main jet G9 vs G16 According to Partzilla, the G16 main jet (part no. 3G2-1423E-34-00) is a #86.3 The G9 main jet (p/n 3G2-1423E-41-00) is a #103.8 The jets themselves should be interchangeable as far as fitment, as both are Mikuni carbs. However, that's a pretty big increase in size so it will probably run quite rich.

11-01-2018, 12:33 PM	#3
mozzer Not Yet Wild Join Date: Jun 2013 Posts: 45	Re: Main jet G9 vs G16 Great, thanks very much. I ended up with a 125 or 130 jet in the g9 after airbox mods so the standard one out of that could be a good start in the g16. Thank you for the response. Sent from my Moto Z2 Play using Tapatalk
mozzer Not Yet Wild Join Date: Jun 2013 Posts: 45

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