Carb set up after Yoshimura RS-3 slip on pipe
#1
Carb set up after Yoshimura RS-3 slip on pipe
I just bought a set of Yoshimura RS-3 slip pipe for my 04 DS 650 - which is completly stock in every form, carbs, plugs, air box and so on.
Yoshimura instructions did not include any kind of instructions on jetting.
I called Yoshimura RD yesterday and was told in stock form there is no need for re-jetting - if I ride @ sea level, above 40 degrees temp, running stock airbox and carb settings???
I know my stock pipe screen is pretty black and fuffy (the reason I rmd. the stock pipe is because the packing was coming out and I have just under two tank fulls of gas used) my plugs were black also, but I have not been able to ride the quad enough lately except down the road by my house.
Whats the stock set up for a 2004 DS 650 (std) ie. carb main jets, e-clip position, fuel screw setting?
By the way were is the fuel screw on the carb? I know what a f/s on a sled looks like but not this.
I want to go riding on sunday so I need the info pretty fast, thanks.
Steve
Yoshimura instructions did not include any kind of instructions on jetting.
I called Yoshimura RD yesterday and was told in stock form there is no need for re-jetting - if I ride @ sea level, above 40 degrees temp, running stock airbox and carb settings???
I know my stock pipe screen is pretty black and fuffy (the reason I rmd. the stock pipe is because the packing was coming out and I have just under two tank fulls of gas used) my plugs were black also, but I have not been able to ride the quad enough lately except down the road by my house.
Whats the stock set up for a 2004 DS 650 (std) ie. carb main jets, e-clip position, fuel screw setting?
By the way were is the fuel screw on the carb? I know what a f/s on a sled looks like but not this.
I want to go riding on sunday so I need the info pretty fast, thanks.
Steve
#2
Carb set up after Yoshimura RS-3 slip on pipe
At sea level you should go with a 172.5 to 175 main jet, 45 pilot, needle in 4th groove, and mixture screw about 3 1/2 turns out. That should get you pretty close. The stock jets are 165 main and 40 pilot. Also change the bowl screws to stainless allen head screws. The sizes are (3) 4x10mm and (1) 4x12mm. I also did the top cap screws and they are 5x10mm. Makes it much easier to do jet changes in the future.
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