300/440/550 old school round body carb?

OL JS Rider

OL JS Rider

Location
sturgis, South Dakota
Why? Why does everyone hate this carb? What makes this carb such a poor choice? All i ever hear is people say get a sbn. from what i see the sbn carb is expensive and hard to come by. I have a boat load of the std bn carbs. Just curious:shrug:
 
OL JS Rider

OL JS Rider

Location
sturgis, South Dakota
How difficult are the jets in a sbn to get to? Are there flow differences between bn 38 and sbn38. I will at some point in the future need to run a pair of carbs on a pjs reed 550. I have nice pair of bn 38s but I also have plenty of time to consider looking for sbn,s. just looking for pros and cons and any opinions.
 
SQUARE JOEL!!!

SQUARE JOEL!!!

Location
Look for me when you see me coming!
OL JS Rider said:
How difficult are the jets in a sbn to get to? Are there flow differences between bn 38 and sbn38. I will at some point in the future need to run a pair of carbs on a pjs reed 550. I have nice pair of bn 38s but I also have plenty of time to consider looking for sbn,s. just looking for pros and cons and any opinions.
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Like I said earlier....depends on mods. If you're not pushing limits of the BN I wouldn't fool with SBN's
 
ecotrip

ecotrip

Location
Orillia,ON
SQUARE JOEL!!! said:
Not completely true. The BN is fine too an extent, all depends on the mods. You think used SBNs are expensive??? Its not that the BN is a bad carb it just doesn't have user friendly qualities like the SBNs do (jet changing)
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What are people paying for SBN Carbs??? I paid $90 on ebay for a new carb but I have seen them for quite a bit more.
 
G

gpshemi

Location
Michigan
What's the SBN jetted to Mile9c1? I could use one for a 650 that I've been working on. I have the same issue. I have a 44mm BN, but question why I should use it as a door stop like everyone says.
 
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