kaitsu
Scoot Junior
1999 Derbi Atlantis
Posts: 8
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Post by kaitsu on Jun 9, 2022 14:45:25 GMT -5
when i drive my derbi atlantis it doesnt go faster than 20kmh and when i put on full throttle it bools and then it just shuts off. what might be the problem with it and im quite new with scooters. Some little info about it has a 14mm dellortto a unrestricted oem exhaust and a polini air box in it and i have removed the restrict in front variator.
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Post by jbjhillbilly on Jun 9, 2022 15:33:28 GMT -5
Polini airbox, or pod filter?
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kaitsu
Scoot Junior
1999 Derbi Atlantis
Posts: 8
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Post by kaitsu on Jun 10, 2022 11:26:57 GMT -5
airbox like this
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Post by ApeShit70 on Jun 10, 2022 21:19:56 GMT -5
Air leak. Do a leak down test
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Post by repherence2 on Jun 10, 2022 22:22:42 GMT -5
airbox like this
that ^ there is your problem. you need to tune your carburetor. it is a jetting issue. you went for too much all at once.
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kaitsu
Scoot Junior
1999 Derbi Atlantis
Posts: 8
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Post by kaitsu on Jun 12, 2022 11:58:54 GMT -5
i fixed the problem, i tuned my carburetor now its going perfectly but it still doesnt go faster than 20kmh
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Post by repherence2 on Jun 12, 2022 12:57:07 GMT -5
did the clip come off the needle on the carb slide?
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kaitsu
Scoot Junior
1999 Derbi Atlantis
Posts: 8
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Post by kaitsu on Jun 16, 2022 11:15:02 GMT -5
i checked and no
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Post by pinkscoot on Jun 18, 2022 9:28:41 GMT -5
What are the RPM's when you are going 20KMPH?
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