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How do I know what carbs I have? I can't find a number on them. On the one side it has MIC, and on the other side it says MIC MIKUNI KOGYO. I can't find anythinhg else on them. I had them ported, polished and benchflowed now that they are in peices I have the carb kits (APCO) 11-Y3084K for a yamaha XS1100' 79. I just can't find a number on them. Thaks for any replys.
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79 XS11 -
Look at the idle mixture screws. If they are exposed, you have the early type (BS-34 II) carbs. If the idle mixture screws are down in a tunnel, then you have the later (BS-34 III) carbs. HTH2H7 (79) owned since '89
3H3 owned since '06
07 Triumph Tiger 1050 (night rider)
"If it ain't broke, modify it"
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It looks like I have the 34-IIs. Thanks79 XS11Comment
Float level should be 25.7 mm with carbs upside down on bench.
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