paintexpt

When I was having my bogging problem, my friend said to look at where my needle was set, there are 5 notches and it was on the 4th, he said to move it to the second to lean it out more, bottom line was one of my carbs were plugged up, now I am conserned of this needle adjustment, the sled runs great I dont want to burn it up running to lean, I usually ride from 2500 to 6500 feet if that makes any difference, what are the proper adjustments I should be using on these carbs, thanks

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1996 Ski Doo Formula 500 SL
1995 Indy XLT Extra lite 600 triple, real fire custom paint, slp pipes, digitron data aqusition system
94 Ski doo Formula Z 583
1980 Artic cat Trail cat 340, what a fun old sled
1986 Polaris Indy 400

smallengineguy

What you want is a dry, dark brown color on the spark plugs. If they are light tan to whitish, move the clip lower.

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1993 Ski Doo Mach Z 780 triple
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paintexpt

so what I am gathering that most all depends on spark plug color, before I cleaned the one carb, the other plug was a a lite chocolate color, not white, I will check them again and follow your instructions, Thank you

__________________
1996 Ski Doo Formula 500 SL
1995 Indy XLT Extra lite 600 triple, real fire custom paint, slp pipes, digitron data aqusition system
94 Ski doo Formula Z 583
1980 Artic cat Trail cat 340, what a fun old sled
1986 Polaris Indy 400

paintexpt

also should this be done at the elevation I am running as my house is at 1100 ft, would be hard to work on sled in the field

__________________
1996 Ski Doo Formula 500 SL
1995 Indy XLT Extra lite 600 triple, real fire custom paint, slp pipes, digitron data aqusition system
94 Ski doo Formula Z 583
1980 Artic cat Trail cat 340, what a fun old sled
1986 Polaris Indy 400

snoeproe

first thing i would look at if your sled is bogging is to see if your pilot and main jets are clear.
as far as your needles go, moving the clip from position 4 to position 2, you are making it richer, not leaner. Raising the needle (lowering the clip) allows more fuel to the motor and lowering the needle (raising the clip) allows less fuel.

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(2) '77 Yamaha srx 440's
'75 Yamaha GPX 433
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paintexpt

yes I raised the clip to second notch from top, to drop the needle, my explaination was just not right

__________________
1996 Ski Doo Formula 500 SL
1995 Indy XLT Extra lite 600 triple, real fire custom paint, slp pipes, digitron data aqusition system
94 Ski doo Formula Z 583
1980 Artic cat Trail cat 340, what a fun old sled
1986 Polaris Indy 400

snoeproe

well, did it get rid of the bog?

__________________
'71 Arctic Cat Panther 399
(2) '77 Yamaha srx 440's
'75 Yamaha GPX 433
'77 Arctic Cat Kitty Cat
'81 skidoo 9500 Blizzard
'82 skidoo 9500 Blizzard
'83 skidoo 9700 Blizzard
'99 skidoo MXZ 600
'06 skidoo GTX 500SS

paintexpt

Yes, the bog is gone, dirty carbs & improper adjustments, lunging was the belt, I just want to make sure that I am at the proper adjustment to get the plugs to burn right,I am really parinoid of this burning a piston thing, I am going up and run the sled this weekend and make my final adjustments if needed, the sled runs great now, but no where to open it up at home,I just have a small circle, didnt know if I should run it up in my stand

__________________
1996 Ski Doo Formula 500 SL
1995 Indy XLT Extra lite 600 triple, real fire custom paint, slp pipes, digitron data aqusition system
94 Ski doo Formula Z 583
1980 Artic cat Trail cat 340, what a fun old sled
1986 Polaris Indy 400