Mikuni pos carb

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11/13/2018 5:09 PM

So I have a mikuni VM38ss carb does that sound right?? It’s off a 81 rm 250.. what keihin carb could I swap to?? PWK 38as? I’m not really sure what the as means tho... I want a keihin as they are easier to jet and I have experience in doing so.. also I don’t know if I have order special non electrical simple old school carb.. thanks

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11/13/2018 7:08 PM

I think the airbox design was a big hindrance on the 81 250 / 465. Very restrictive, and made it hard to jet properly. A few places offered a single sided air box that made a big difference in the way the bikes ran and jetting accuracy was made easier. AS may be air stryker. Don't think you need the electric connection on an 81 RM.

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11/13/2018 7:56 PM

No I don’t need the electrical stuff.. so what keihin carb would I swap too?? And any idea what places I’d go to get a single sided air box?

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11/13/2018 9:14 PM

mwssquad827 wrote:

No I don’t need the electrical stuff.. so what keihin carb would I swap too?? And any idea what places I’d go to get a single sided air box?

Fullfloater.com has a lot of parts for the early Suzuki’s I believe they sell the single sided air box...

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11/14/2018 6:57 PM
Edited Date/Time: 11/14/2018 7:03 PM

AS is known as being an Air Striker model on a Keihin PWK. The 99 & 00 CR250r's came equipped with them & are non-tps (no electronics). The differences were in the jetting specs & slides. If I recall the 99 had a 5.5 slide & the 00 had a leaner 7.0 slide.
Sudco or JD sell new Keihin PWK AS carbs that are non-tps (long version) if your're looking to buy new.

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