Home 1994-2001 Yamaha YZ125 1994 - 2001 Yamaha YZ125 - Service Specifications 1994-2001 Yamaha YZ125 – Carburetor Specifications

1994-2001 Yamaha YZ125 – Carburetor Specifications

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1994-2001 Yamaha YZ125 – Carburetor Specifications

Yamaha LogoClutch Specifications For Your 1997-2001 Yamaha YZ125

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Carburetor Model Specifications

Model Year1994
CarburetorMikuni
Carburetor TypeTM35SS
Model Number4JY10
Main Jet320
Jet Needle6EJ35-69-3
Throttle Valve Cutout4.0
Pilot Jet15
Jet Needle Clip PositionThird (3rd) From The Top
Starter Jet80
Valve Seat Size2.2 mm (0.087 in.)
Pilot Air Screw Stock Setting1-5/8 – 2-1/8 Turns Out
Fuel Level15.2 – 17.2 mm (0.60 – 0.68 in.)
Model Year1995 – 1998
CarburetorMikuni
Carburetor TypeTMX36SS
Model Number
– European Models4PE10
– All Other Models4PE10
Main Jet
– European Models370
– All Other Models360
Jet Needle6EG36-63-3
Pilot Jet
Throttle Valve Cutout6.5
Pilot Jet
– European Models50
– All Other Models55
Jet Needle Clip PositionThird (3rd) From The Top
Starter Jet80
Valve Seat Size3.8 mm (0.15 in.)
Pilot Air Screw Stock Setting
1995 -1995
– European Models2
– All Other Models1-3/4
1997
– European Models1-1/2
– All Other Models1-3/4
19982-1/4
Float Level (1995 – 1996)14.5 – 15.5 mm (0.57 – 0.61 in.)
Fuel Level (1997 – 1998)3.5 – 4.5 mm (0.140 – 0.180 in.)
Model Year1999
CarburetorMikuni
Carburetor TypeTMX36SS
Model Number
– European Models5ET10
– All Other Models5ET00
Main Jet350
Jet Needle
– European Models6DHD52-76-4
– All Other Models6DHD53-76-3
Throttle Valve Cutout6.5
Pilot Jet
– European Models50
– All Other Models45
Jet Needle Clip PositionFourth (4th) From The Top
Starter Jet80
Valve Seat Size3.8 mm (0.15 in.)
Pilot Air Screw Stock Setting
– European Models1-1/4 Turns Out
– All Other Models1-3/4 Turns Out
Fuel Level
11.5 – 12.5 mm (0.45 – 0.49 in.)
Model Year2000
CarburetorMikuni
Carburetor TypeTMX36SS
Model Number
– European Models5HD10
– All Other Models5HD00
Main Jet
– European Models380
– All Other Models350
Jet Needle
– European Models6DHY56-75
– All Other Models6DHY53-75
Jet Needle Clip PositionThird (3rd) From The Top
Throttle Valve Cutout6.5
Pilot Jet35
Starter Jet80
Valve Seat Size3.8 mm (0.15 in.)
Pilot Air Screw Stock Setting
– European Models1-3/4 Turns Out
– All Other Models1-1/2 Turns Out
Fuel Level12.5 – 13.5 mm (0.49 – 0.53 in.)
Model Year2001
Carburetor TypeMikuni
Carburetor TypeTMX38SS
Model Number
– European Models5MV210
– All Other Models5MV100
Main Jet
– European Models450
– All Other Models460
Jet Needle
– European Models6BHY1-75
– All Other Models6BGK9-75
Jet Needle Clip PositionThird (3rd) From The Top
Throttle Valve Cutout5.75
Pilot Jet
– European Models30
– All Other Models25
Starter Jet80
Valve Seat Size3.8 mm (0.15 in.)
Pilot Air Screw Stock Setting
– European Models1-3/4 Turns Out
– All Other Models1-1/2 Turns Out
Fuel Level13.5 – 14.5 mm (0.53 – 0.57 in.)
Float Level
8mm (bottom of float to body)

Fuel/Oil Premix Ratio

Premix Ratio
All Models30:1
Fuel95 Octane Gasoline

Fuel Tank Capacity

U.S. galImp. Gal.Liters
19952.031.697.7
1995 – 20012.111.768.0

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