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Scrambler 400 starting problems

Old Aug 15, 2009 | 03:29 AM
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Exclamation Scrambler 400 starting problems

I just bought a 95 scrambler and when I got it home, I cleaned the carb. I don't know much about carbs, but hope someone can give me a little guidance. It is a major pain in the butt to get started. I have to choke it and give all throttle at roughly half way through the motion of pull starting. If I don't get it the first time, it backfires the next try. After I do get it running is seems to run fine, not quite as powerful as I thought but have nothing to compare it to (new to quads). I am wondering if I accidentily bumped something when cleanin the carb, and how do I try to set all setting back to stock ranges. Thanks for any and all help

brixman
 
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Old Aug 15, 2009 | 07:46 AM
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uncertifiedmechanic's Avatar
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Take the carb off, take apart and clean pilot jet, main jet, and lube up choke cable, really simple to do
 
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Old Aug 15, 2009 | 10:23 PM
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I did that today, and it helped a little but it is still a beast to get started. I changed the plug, set the mixture screw out 1 &1/2 turn out from seat. I didn't seem to change anything. Thanks for the help though
 
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Old Aug 24, 2009 | 07:05 PM
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Sounds like a choke problem. Got a service manual? I am not use to this new format that that this site changed to, but there ought to be a history search on carburators, which will show you step by step how to take the carb off and bebuild it. There is a plunger in the choke... it may be defective. Keep asking and reseaching
 
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Old Aug 24, 2009 | 08:01 PM
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i would be there is an air leak somewhere. i bet the seals on the crankshaft are bad. after you get the motor started spray carb cleaner on all boots to rule them out.
 
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Old Aug 24, 2009 | 08:06 PM
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stupid dbl post
 
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