Author Topic: 272XP and 288XP same carb?  (Read 276 times)

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Offline Cat-Face Timber

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Re: 272XP and 288XP same carb?
« Reply #10 on: January 22, 2015, 06:33:08 pm »
Thanks for the info :)

I used the same carb kit for both..
MIGHTY HUSKY 235
BESTEST SAW EVER!

Offline Eccentric

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Re: 272XP and 288XP same carb?
« Reply #11 on: January 22, 2015, 09:11:45 pm »
RK-23HS is the correct kit for both.  The individual carbs can have different throttle arm setups, different choke setups, different throttle bore and venturi measurments, different metering orifices inside the carbs, different metering lever springs, different HS check valves, etc.....
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

Offline dynodave

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Re: 272XP and 288XP same carb?
« Reply #12 on: January 23, 2015, 11:26:04 am »
They are the HS Series.
272 = HS254A and HS254B
          HS260A

288= HS228A and HS228B

I'm sure there are others.
         

These carbs 260 and 228 I looked up are 17.5mm venturi

http://www.tillotson.ie/docs/HSPartsList.pdf
32 saws
ECHO-HOMELITE-HUSQVARNA-McCulloch-PIONEER-POULAN-STHIL

 

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