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panthershaun
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« on: July 16, 2011, 10:34:14 AM » |
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OK guy's as above???
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you ain't it, till you've "Bobbed" a Brit!!!
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Cabman77
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« Reply #1 on: July 16, 2011, 10:37:10 AM » |
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they would be vacuum diaphragm types, I think Mikuni but not sure and no idea what size. For your project Shaun I think you`d be better off with flat slide carbswith mechanical operation.
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..........and Joshua entered Jericho on his Triumph..............
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triker_Chewie
Hero Member
Karma: 42
Posts: 1712
west aussie dreamer
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« Reply #2 on: July 16, 2011, 10:38:53 AM » |
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bs 34s i think
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I hate when people compare Lemmy with God, i know he is great but he is not gonna be Lemmy, ever If your Dad hasnt got a beard, you've got two Mums there's no point it lookin' pretty if we can't drive it.
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Archie
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« Reply #3 on: July 16, 2011, 12:33:03 PM » |
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my xs has mikunis.
had em apart and they have big vacuum diaphragm things in em
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Tony oily bike
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« Reply #4 on: July 16, 2011, 04:56:58 PM » |
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Haynes manual for the 1970 -83 models says BS38 for XS1B, XS2, TX650, TX650A, XS650B, X650C, XS650 (UK), XS650D (US), XS650SE (UK) blah blah blah...... in fact every model the manual covers. I'd kinda go with Cabby's train of thought - mechanical slide carbs - flat if you can find & afford, or round slide Amals (MkI or MkII), or Mikuni VM32 or VM34. Set of roundslide mikunis on ebay (reckon they could make £270 +/-£50 ??) http://cgi.ebay.co.uk/Mikuni-Round-Slide-Carburettors-Yamaha-XS650-/190555906012?pt=UK_Motorcycle_Parts&hash=item2c5e045fdc |
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« Last Edit: July 16, 2011, 05:09:17 PM by Tony oily bike »
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There's nowt as light as a hole, so add lightness.
Our lady of blessed acceleration, don't fail me now! - Elwood Blues
Nitro doesn't add power, it multiplies it! Bob Loux, running 10.07 secs @138mph on a 650 normally aspirated Triumph drag bike in 1965!
"Incontinence Hotline" - please hold.
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panthershaun
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« Reply #5 on: July 17, 2011, 10:28:57 AM » |
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cheers for the info guy's, going to have a play with mankys old carbs and see where we go from there...
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you ain't it, till you've "Bobbed" a Brit!!!
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Manky Monkey
Administrator
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« Reply #6 on: July 17, 2011, 07:55:18 PM » |
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I'm guessing you'll be wanting me to post them to you then?
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On the last freedom moped out of Nowhere City.
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chopper charlie
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Posts: 61
Making a mockery of mechanical ingenuity
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« Reply #7 on: August 14, 2011, 06:10:57 PM » |
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I ran Dellorto's on my old 650's cos the phram ones are crap
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Firing on all eight
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Manky Monkey
Administrator
Hero Member
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« Reply #8 on: August 14, 2011, 06:13:48 PM » |
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Yeah, I had a pair of Dellortos on my XS650 lowrider back in the 80s. Went like a rocket but drank fuel by the bucketful.
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On the last freedom moped out of Nowhere City.
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chopper charlie
Jr. Member
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Making a mockery of mechanical ingenuity
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« Reply #9 on: August 14, 2011, 06:19:38 PM » |
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Amals off the Rotax lump also make em go quite well, but you've to really drop main jets to iron out the lumpy accelleration
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Firing on all eight
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Manky Monkey
Administrator
Hero Member
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« Reply #10 on: August 14, 2011, 07:01:54 PM » |
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Got mark 1 Amals with 140 main jets on my latest XS650 project, (farmed out to forum member PD to build on my behalf cos I've got too many other toys to build!).
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On the last freedom moped out of Nowhere City.
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