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Buell Motorcycle Forum » Old School Buell » Archive through April 22, 2008 » Mikuni 42 mm Carb « Previous Next »

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Igneroid
Posted on Tuesday, April 22, 2008 - 01:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

For anyone who has installed their own Mikuni carb on a tuber, I have some questions.

Was it hard to dial in??
Are they plug and play or am I gonna have to jet/tweek extensivly. We have no dyno up here in the sticks..
Recommendations...
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Pizzaboy
Posted on Tuesday, April 22, 2008 - 02:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ill let you know this week.. i ordered up one for my 96 S2, and it should be in in the next couple days... i can hardly wait to start making some above-stock power!!
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Bad_karma
Posted on Tuesday, April 22, 2008 - 03:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Percy
My 42 & 45 were very close, you could almost call them plug-n-play. Very easy to tune. Only thing I changed was I went with the mikuni enricher cable.Check out their site for tuning should you need it.
Joe
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Road_thing
Posted on Tuesday, April 22, 2008 - 10:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ig:

I'm not sure sure how they come jetted out of the box, I bought a used 42 from another BWB'er. Per Aaron Wilson's recommendation I started with: 175 main, 70 nozzle, 27.5 pilot, and a 97 needle. Seems pretty much spot on, but my motor's got some significant mods and I'm basically at sea level in a hot climate, so yours may be happy with something different.

At any rate, they're easy to fiddle with.

Hope this helps.

rt
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Kilroy
Posted on Tuesday, April 22, 2008 - 12:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i am pretty sure they come out of the box with a 160 Main. Set up from the factory is good for a stock motor, and modest altitude. If you have some decent mods, look to upsize the main and fiddle with the others, or save the headache and have a good dyno operator dial it in for you.
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Road_thing
Posted on Tuesday, April 22, 2008 - 04:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

have a good dyno operator dial it in for you

...'zactly what Aaron said, too...

rt
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Igneroid
Posted on Tuesday, April 22, 2008 - 08:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks everyone for the help. My motor is bone stock cept for the air intake which seems to work quite well(buggers up the cv carb). So I can bolt this puppy on and go riding right off. Thats cool.
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