An excellent jetting compilation from threads here and on XS650 rider, by 2many xs1bs
MJ = Main Jet
PJ = Pilot Jet
NJ = Needle Jet (emulsion tube)
JN = Jet Needle
Slide = Cutaway number
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Roy Fisk
Carb: VM34
MJ: 190-200
PJ: 22.5
NJ: P6
JN: 6DHS, 3rd slot
Slide: 2.0
Air jet: 2.0?
Air screw: 1.25- 1.75
Float height: 25mm
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Richard, from the Aussie site
Carb: VM34
MJ: 180-190
PJ: 20-25
NJ: P5, P6
JN: 6F9, 3rd slot
Slide: 2.5
Air jet: Removed
Dwayne, from the Aussie site
Carb: VM34
MJ: 180
PJ: 25
NJ: P6
JN: 6F9
Slide: 2.5
Air jet: 2.0?
Bob Hart, from the Aussie site
Carb: VM34
MJ: 180
PJ: 27.5 - 32.5
NJ: P5, P6
JN: 6F9
Slide: 2.5
Air jet: Removed
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HALCO (UK)
Carb: VM36
MJ: 220
PJ: 25
NJ: 159-Q2
JN: 6DH3
Slide: 2.5
Air jet: 2.0
BOB BERTAUT (VM36 CARB KIT)
Carb: VM36
MJ: 190
PJ: 22.5
NJ: 159-P6
JN: 6DP1
Slide: 2.5
Air jet: Removed
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Yamaman
Carb: VM34 with Ramair pods, Triumph silencers ,Halco 1 1/2" pipes.
MJ: 185 - 190
PJ: 25
NJ: P6
JN: 6DH4, 3rd slot
Slide: 2.0
Air jet:
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gggGary's Madness
Carb: VM38
MJ: 260 (220?)
PJ: 25
NJ: 166-P8
JN: 6DP1, 3rd slot
Slide: 1.5
Air jet: Removed.
Float valve: 3.3
gggGary's Pristine, never had gas in them yet.
Carb: VM34
MJ: 180
PJ: 25
NJ: 159-P6
JN: 6F9, 3rd slot
Slide: 2.5
Air jet: ?
Float valve 3.3
gggGary's Unknown
Carb: VM34
MJ: 260
PJ: 40
NJ: 247-Q2
JN: 6DH4, Top slot
Slide: 2.5
Air jet: ?
float valve 1.5
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Grizld1's 700cc
Carb: VM36
MJ: 190
PJ: 22.5
NJ: 159-P5
JN: 6F9, 3rd slot
Slide: 2.5
Air jet: Removed
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TwoManyXS1Bs 750cc Dragon
Carb: VM36 (Vintage 1975, opened to 37.5mm)
MJ: 270-280
PJ: 35
NJ: 159-Q5
JN: 6FJ6, 3rd slot
Slide: 3.8
Air jet: 2.0
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