Obr wt1242 carb

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Wanna look and tell me what number is cast inside the bore behind the choke butterfly? Obr isnt releasing any specs on it.
Actually not priced bad for what it comes with either.
 
It’s basically a 990 with the ethanol mods and it has a different metering spring with a lower pop off pressure. Supposed to feed more fuel than a 990.
 
Yeah that was interesting. Can tell the guy giving itsnt really a carb guy. But at least we know what the pop pressure is now lol.
Oh hey btw I'm gonna say once they offer the bored version, it will run exactly like a rooster tail carb.
I have 2 of the 1242 i got from obr. They are nice but i could notice a decent boost in performance with my full mod rt 990 over the 1242
 
The rt990 is over bored, so its essentially a larger carb. Like I said once obr starts offering their bored version I doubt there will be much, if any difference between the two. They had walbro do what rooster tail does in house.
 
The primer bulb retainer plate is not some new beefed up one. It is the one off of the style carbs we use that Walbro no longer makes. We have them when we took them off the carbs we modified with the primer body itself we were thinking of selling.
 
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Gonna try one. Putting it on a esp ported g320 for the vekta5 .Anyone got any idea what settings to start at?
 

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Wanna look and tell me what number is cast inside the bore behind the choke butterfly? Obr isnt releasing any specs on it.
Actually not priced bad for what it comes with either.
 

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