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Tiger Time => Steamers (1993-1998 Tigers) => Topic started by: bemusedinsojo on October 04, 2017, 08:51:42 PM

Title: Carb air/fuel mixture
Post by: bemusedinsojo on October 04, 2017, 08:51:42 PM
While hanging with LondonPhil last week (what fun and amazing people-I got the nickname drama queen, not sure why) :icon_redface: LP suggested I use a computer to find the best air/fuel mixture for my red steamer. After some research I found using an O2 sensor paired with a volt meter may work. Has anyone tried this way before or is it a fool's errand?
Title: Re: Carb air/fuel mixture
Post by: Mustang on October 05, 2017, 01:08:32 AM
fools errand............................. :BangHead
but triumph sorta does it that way too .........
using a CO2 meter screwed in the bung hole of the exhaust headers ,one at a time , you set the air screws till 3 % for european models and 1 % for USA

you are in Utah ? correct?
EASY WAY ...............below

98 Steamer with Keihin carbs , stock airbox including capped right side snorkel?

at your elevation ....................100 main jets , 40 pilots , with air screws set at around 2 turns out

you should be spot on with those and run the idle at about 1400 rpm  :love10

and then if theres a bog in the mid range between 4000-5000 rpm shim the needles up using some small washers from the hardware store that are about 1 mm thick should cure the bog .


and you should be seeing at least 40 mpg with that set up  :nod
Title: Re: Carb air/fuel mixture
Post by: bemusedinsojo on October 06, 2017, 01:39:33 AM
Ok. With aftermarket cans?
Title: Re: Carb air/fuel mixture
Post by: Mustang on October 06, 2017, 11:53:49 AM
doesnt matter.....................aftermarket cans only make noise ! :wheel
Title: Re: Carb air/fuel mixture
Post by: London_Phil on October 06, 2017, 12:30:29 PM
As opposed to rust.....
Title: Re: Carb air/fuel mixture
Post by: Mustang on October 06, 2017, 01:52:23 PM
 :mut
Quote from: London_Phil on October 06, 2017, 12:30:29 PM
As opposed to rust.....
Title: Re: Carb air/fuel mixture
Post by: tonytiger on October 07, 2017, 07:36:17 PM
What about a colour tune. :5moped
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