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Old 04-26-2024, 10:44 PM   #1
ProDigit   ProDigit is offline
 
Join Date: Aug 2013
Location: FL
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Airbox internals info of Vader/condor 150?

Anyone has any info on the internals of the airbox used on the 150cc Grom clones with Lifan engine and PZ27 carburetor?

I want to know if they are restricted, and where.

If I were to drill a hole in it, where would I want to drill it?

I'd prefer before the filter (towards the rear of the bike), so that the air can still be filtered.
On the other hand, if it has a restrictive tube, I want to eliminate that, so that the bike at least will get sufficient airflow.

I need to see the internals, without having to take mine apart.
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Old 04-27-2024, 08:26 AM   #2
TominMO   TominMO is offline
 
Join Date: Sep 2021
Location: De Soto, MO
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Drill holes in the top of the airbox, for minimal water penetration. I would go with a bunch of 3/16" holes. You will probably have to re-jet the carb a little.
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Old 04-27-2024, 04:06 PM   #3
ProDigit   ProDigit is offline
 
Join Date: Aug 2013
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No worries.
I've just removed the box, and opened it.
There is really little to no intake limitation in the airbox.
It's a square box, with an air inlet at the end (towards the rear wheel), a foam filter panel in the middle, and a rubber snorkel towards the carburetor.
The limiting factor in the airbox, is the rubber snorkel, since it's squeezed, and bent (not straight).

I've replaced it with a pod filter.
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