12-21-2022, 01:49 PM
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#1 |
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Join Date: Dec 2022
Posts: 2
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Does Apollo Z40 really come with a 22mm Carb?
I am wondering if any Apollo Z40 owners can answer this question. Does the Z40 really come with a 22mm carb? As this seems really small for a YX140cc engine. I would think it should be at least 26mm or 28mm.
The specs say this has a 22mm Nibbi PE22 carburetor https://www.apolloatvs.com/apollo-dirt-bikes/z40-125cc/ When I look at the specs for the smaller 125cc Apollo Z20 they list a 26mm PZ26 carburetor https://www.apolloatvs.com/apollo-dirt-bikes/z20-125cc/ So why would the Z40 being a larger engine have a smaller carb? |
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12-21-2022, 01:52 PM
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#2 |
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Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,871
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It might be that the way the PZ vs the PE carbs are designed, that the intake opening can't really be compared directly.
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12-21-2022, 01:57 PM
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#3 |
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Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,561
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The PE22 is a smooth bore carb whereas the PZ26 tapers down at the carb slide. actual flow will be close to the same.
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12-21-2022, 03:41 PM
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#4 |
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Join Date: Dec 2022
Posts: 2
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Do you know if there are charts available from Keihin (PE carb) or Mukini (PZ carb) that show the flow coefficients based on size?
Also don't these carbs have different mounting flange bolt dimension? and if so tht means I would not be able to interchange between the two makes without changing the intake manifold. Unless I was to install some sort of intake that could take both kinds ... like this: https://www.amazon.com/aqxreight-Car.../dp/B08X2NS92Q |
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01-14-2023, 03:36 PM
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#5 |
Join Date: May 2006
Location: Yuma, Arizona
Posts: 9,035
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If you haven't found your answer, contact Pete at Kronik Racing. He deals in Apollos and other pit bike brands (he is also a Vader guru). If he doesn't know, then no one knows
 https://www.kronikracing.com/
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