06-01-2009, 12:48 PM #1
- Join Date
- Feb 2009
polaris sltx 1050 carbs 38mm 40 mm Can someone confirm this please.
1996-1997 Polaris SLTX 1050
used 38mm carbs, stock
and then in 1998, it was switched to 40mm carbs stock
Just like it says in the Polaris Sercie manual
Can you guys confirm this, I got a guy who dosent beleive this.......
i done care witch are better, I just want to confim that in 1996 they were 38mm, and in 1998 40mm
06-01-2009, 01:27 PM #2
my 1998 sltx came stock with 40mm on it.
06-01-2009, 01:35 PM #3
the 96 came with 38's the 98 was 40's no sure about the 97 but pretty sure it was 38's,easiest way to tell is to look at the choke blade.on 38's when the choke is pulled the blade fills the complete hole of the air breather base,on 40's there is a lip of aluminum you cane see,yes the 40mm choke blade is smaller in diameter than the 38mm,noticed i said choke blade not the throttle blade
06-01-2009, 01:39 PM #4
my friends 97 sltx had 38's on it originally...now that's not to say that maybe some of the very late production ones had been switched to 40's but none that I know of.
06-03-2009, 08:50 AM #5
OK, here is what "I" have found......
i just had a 1999 SLX 1050 here in the shop yesterday, and had the carbs off, to rebuild the accell pump, for a local customer. while the carbs were off, i looked them over, and compared them to some 1996 SL900 carbs ( listed as a 38mm)
the SL900 carbs ( same body as the earlyier 1050 carbs, just different jetting) measure 38mm at the throttle plate.
the 99 SLX 1050 carbs DO measure 40mm at the throttle plate, BUT "IF" you look further up into the venturi, they still measure only 38mm. ( as do the other 38mm carbs).
so, it is "STILL" my "opinion" they are ALL 38mm carbs, just like all my parts lists, OE part numers etc show. even though the newer 1050's measure 40mm at the plate, it is still only 38mm in the venturi, thus it is a 38mm carb.
hope this helps.
06-03-2009, 10:30 AM #6
- Join Date
- Jul 2007
- near Toronto, Canada
Does that mean there is a 1 mm 'step' where the larger 40mm diameter carb base meets the 38mm intake manifold?
06-03-2009, 12:00 PM #7
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