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1982 Suzuki GS1100G Needle Jet

GalDemSuga

Forum Apprentice
Past Site Supporter
Folks

Can I run a Mikuni BS34SS 338-X1 needle jet in place of the original 338-X3 since the jet needle is 5D58 for both needle jets? The X1 was used in the 16 valve engine while the X3 was used with the 8 Valve engines. Googled it and that was the answer in image 2.
 

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Most likely it won't be a problem. I'll check my stash to see if I can find the right part...
 
This is what I currently have for options:

OEM Carbs

Mikuni BS34SS
ID# 49400
Bore 34mm
Idle 1050 +/- 100 r/min
Fuel Level 5.0mm +- 0.5mm
Float Height 22.4mm +- 1.0mm
Main Jet # 115
Main Air Jet 1.7mm
Jet Needle 5D58
Needle Jet 338 X-3 (one has a broken shoulder where the needle stops)
Pilot Jet # 40
Bypass 0.9,0.8,0.8mm
Pilot outlet 0.7mm
Valve Seat 2.0
Starter Jet # 50
Pilot Screw Pre-set
Pilot Air Jet # 170


Second Carb Set (purchased a while back)

Mikuni BS34SS
ID# 49200
Bore 34mm
Idle 1050 +/- 100 r/min
Fuel Level 5.0 +/- 0.5
Float Height 22.4mm +- 1.0mm
Main Jet # 107.5 (however in carb set its 132.5 and 135, two of each and I can't recall which carb body has which)
Main Air Jet 1.2mm
Jet Needle 5D58
Needle Jet 338 X-1
Pilot Jet # 45 (however in carb its 47.5)
Bypass 0.8,0.8,0.8mm
Pilot outlet 0.9mm
Valve Seat 2.0
Starter Jet # 32.5
Pilot Screw Pre-set
Pilot Air Jet # 160
 
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