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Title: Twin Carb jet sizes Post by: ownfc59 on November 21, 2010, 06:11:55 PM I've just fitted twin strombergs to a stock 138 grey motor with 45 main jets as recommended in other posts but still running extremely rich. Seems smaller jet sizes required. Has anyone else had similar problems & how did they overcome them.
Thanks, Pete Title: Re: Twin Carb jet sizes Post by: ACE on November 21, 2010, 08:24:04 PM G'day Pete,
What power valves are you running? ACE 8) Title: Re: Twin Carb jet sizes Post by: ownfc59 on November 22, 2010, 03:43:52 PM According to my "technical consultant" he reckons 71's.
Title: Re: Twin Carb jet sizes Post by: colt on November 22, 2010, 04:14:19 PM Even though I have triples, I cant think of my main jet sizes, make sure all your jets and power valves are the same size. I had to use FX power valves and idle tubes as these are smaller. With a stock motor you may have to use throat restrictors. I had to use these even though my motor is a little bit warm.
Colin. |